OPERATION AND PARTS MANUAL
MODEL
SDP-2/SDP-3
DIAPHRAGM PUMPS
Revision #2 (11/16/03)
STOWCONSTRUCTIONEQUIPMENT
A DIVISION OF MULTIQUIP INC.
POST OFFICE BOX 6254
PARTS DEPARTMENT:
800-427-1244
FAX: 800-672-7877
SERVICE DEPARTMENT/TECHNICAL ASSISTANCE:
800-478-1244
CARSON, CA 90749
310-537-3700 • 888-252-STOW [888-252-7869]
FAX:310-537-1986 • FAX:800-556-1986
E-MAIL: stow@multiquip.com • WWW: stowmfg.com
FAX:310-631-5032
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HERE'S HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL
NUMBER ON-HAND WHEN CALLING
PARTSDEPARTMENT
800-427-1244
310-537-3700
FAX: 800-672-7877
FAX: 310-637-3284
SERVICEDEPARTMENT
800-478-1244
310-537-3700
FAX: 310-537-4259
TECHNICALASSISTANCE
800-478-1244
FAX: 310-631-5032
WARRANTYDEPARTMENT
800-421-1244, EXT. 279 FAX: 310-537-1173
310-537-3700, EXT. 279
SALESDEPARTMENT
310-661-4242
FAX: 310-604-9237
877-289-7869 (877-BUY-STOW)
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 3
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STOW SDP-2/SDP-3 — TABLE OF CONTENTS
HONDAGX120K1QX2 Engine
Air Cleaner Assembly......................................... 40-41
Camshaft Assembly ........................................... 42-43
Carburetor Assembly ......................................... 44-45
STOW SDP-2/SDP-3
Gasoline Powered
Diaphragm Pumps
Here’s How To Get Help ............................................ 2
Table of Contents ...................................................... 3
Parts Ordering Procedures .................................... 4-5
Specifications (Pump/Engine) ....................................6
Pump Dimensions ......................................................7
Safety Message Alert Symbols .............................. 8-9
Rules For Safe Operation .................................. 10-11
General Information .................................................12
Pump Components ..................................................13
Basic Engine ............................................................14
Pre-Inspection (Engine) ...........................................15
Pre-Set-up (Pump)............................................. 16-17
Initial Start-up (Engine) ...................................... 18-19
Maintenance (Pump) ......................................... 20-22
Maintenance (Engine)........................................ 23-24
Preparation for Long-Term Storage .........................25
Troubleshooting (Pump)...........................................26
Troubleshooting (Pump/Engine) ..............................27
Explanation Of Code In Remarks Column ...............28
Suggested Spare Parts ............................................29
Control Assembly ............................................... 46-47
Crankcase Cover Assembly............................... 48-49
Crankshaft Assembly ......................................... 50-51
Cylinder Barrel Assembly................................... 52-53
Cylinder Head Assembly.................................... 54-55
Fan Cover Assembly .......................................... 56-57
Flywheel Assembly ............................................ 58-59
Fuel Tank Assembly ........................................... 60-61
Ignition Coil Assembly ........................................ 62-63
Muffler Assembly ............................................... 64-65
Piston Assembly................................................. 66-67
Recoil Starter Assembly..................................... 68-69
Gasket Kit Assembly .......................................... 70-71
Labels ................................................................ 72-73
Terms and Condition Of Sale
—
Parts .................... 74
ComponentDrawings
Water Box and Groove Assy. (2-inch) ................ 30-31
Pump Assy. (2-inch) ........................................... 32-33
Water Box and Groove Assy. (3-inch) ................ 34-35
Pump Assy. (3-inch) ........................................... 36-37
Axle, Handle, Engine Mtg. and Bumper Assy. ... 38-39
As a continuing effort to update
our parts book, contact the
STOW literature department for
the latest revision of your
"Operation and Parts Manual"
Specification and part number
NOTE
are subject to change without
notice.
PAGE 4 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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PARTS ORDERING PROCEDURES
When ordering parts,
please supply the following information:
❒
Dealeraccountnumber
❒
❒
❒
❒
❒
❒
Dealernameandaddress
Shipping address (if different than billing address)
Returnfaxnumber
Applicable model number
Quantity,part number and description of each part
Specifypreferredmethodofshipment:
✓
✓
✓
✓
✓
✓
FedEx or UPS Ground
FedEx or UPS Second Day or Third Day
FedEx or UPS Next Day
Federal Express Priority One
DHL
Note:Unlessotherwiseindicatedbycustomer, all
orders are treated as “Standard Orders”, and will
ship within 24 hours.We will make every effort to
ship “Air Shipments” the same day that the order is
received, if prior to 2PM west coast time. “Stock
Orders” must be so noted on fax or web forms.
Truck
Place Your Parts Order Via Web or Fax
For Even More Savings!
Here’s how to get help...
Please have the model and serial number on
hand when calling.
Parts Department
Extra Discounts!
800-427-1244
310-537-3700
Fax:800-672-7877
Fax:310-637-3284
All parts orders which include complete part numbers
and are received by our automated web parts order
system, or by fax qualify for the following extra
discounts:
Service Department
800-478-1244
310-537-3700
Fax:310-537-4259
Ordered
via
Standard
orders
Stock orders
($750 list and above)
Technical Assistance
800-478-1244
Fax
3%
5%
10%
10%
Fax:310-631-5032
Fax:310-537-1173
Web
Warranty Department
800-421-1244, Ext. 279
310-537-3700, Ext. 279
Special freight allowances
when you order 10 or more
line items via Web or Fax!**
FedEx Ground Service at no charge for freight
Sales Department
310-661-4242
877-289-7869 (877-BUY-STOW)
Fax:310-604-9237
No other allowances on freight shipped by any other
carrier.
NOTE:DISCOUNTSARESUBJECTTOCHANGE
STOWCONSTRUCTIONEQUIPMENT
A DIVISION OF MULTIQUIP INC.
POST OFFICE BOX 6254
Direct TOLL-FREE access
to our Parts Department:
Toll-free nationwide — 800-427-1244
CARSON, CA 90749
310-537-3700 • 888-252-STOW [888-252-7869]
FAX:310-537-1986 • FAX:800-556-1986
E-MAIL: stow@multiquip.com • WWW: stowmfg.com
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 5
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STOW SDP-2/SDP-3 — SPECIFICATIONS (PUMP/ENGINE)
Table 1. Specifications (Pump)
Type
SDP-2 Diaphragm Pump
SDP-3 Diaphragm Pump
Suction & Discharge
Size
2.00 in. (50.8 mm.)
3.00 in. (76.2 mm.)
Maximum Pumping
Capacity
3,000 gallons/hour
(11,340 liters/hour)
5,100 gallons/hour
(19,320 liters/hour)
Pump
Max. Soilds Diameter
Max Lift
1 in. (25.4 mm)
26 ft. (7.92 meters)
51 ft. (15.54 meters)
140 lbs. (63 Kg.)
2 in (50.8 mm)
26 ft. (7.92 meters)
51 ft. (15.54 meters)
160 lbs. (72 Kg.)
Max. Head
Dry Net Weight
Table 2. Specifications (Engine)
Model
HONDA GX120K1QX2
Air-cooled 4 stroke, Single
Cylinder, OHV, Horizontal
Shaft Gasoline Engine
Type
2.4 in. x 1.7 in.
(60 mm x 42 mm)
Bore X Stroke
Displacement
Max Output
119 cc (7.2 cu-in)
4.0 H.P./3600 R.P.M.
0.66 US gal. (2.5 liters)
Engine
Fuel Tank Capacity
Unleaded Automobile
Gasoline
Fuel
Lube Oil Capacity
.60 liters (0.63 qts)
Centrifugal Fly-weight Type
Recoil Start
Speed Control
Method
Starting Method
11.7 x 13.4 x 12.5 in.
(297 x 341 x 318 mm)
Dimension
(L x W x H)
Dry
Net Weight
28.7 lbs (13 Kg.)
PAGE 6 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — DIMENSIONS (PUMP)
Figure 1. STOW SDP-2/SDP-3 Pump Dimensions
Table 3. Dimensions
A
B
C
D
E
MODEL
SDP-2
SDP-3
LENGTH
HEIGHT
WIDTH
DISCHARGE
SUCTION
39.87 in.
(101.1 cm.)
24.75 in.
(62.86 cm.)
24.75 in.
(62.86 cm.)
4.93 in.
(12.52 cm.)
4.25 in.
(10.80 cm.)
39.87 in.
(101.1 cm.)
23.68 in.
(60.14 cm.)
29.25 in.
(74.30 cm.)
5.25 in.
(13.33 cm.)
5.43 in.
(13.80 cm.)
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 7
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STOW SDP-2/SDP-3 — SAFETY MESSAGE ALERT SYMBOLS
FORYOUR SAFETY ANDTHE SAFETY OF OTHERS!
HAZARD SYMBOLS
Safety precautions should be followed at all times when operating
this equipment. Failure to read and understand the Safety
Messages and Operating Instructions could result in injury to
yourself and others.
Lethal Exhaust Gases
Engine exhaust gases contain poisonous
This Owner's Manual has been
developed to provide complete
instructions for the safe and
carbon monoxide. This gas is colorless and
odorless, and can cause death if inhaled.
NEVER operate this equipment in a confined
area or enclosed structure that does not
provide ample free flow air.
efficient operation of the STOW
Model SDP-2 and SDP-3
Diaphragm Pumps. Refer to the
engine manufacturers instructions
for data relative to its safe
operation.
Explosive Fuel
Before using these pumps, ensure that the operating
individual has read and understands all instructions in this
manual.
GASOLINE is extremely flammable, and its
vapors can cause an explosion if ignited. DO
NOT start the engine near spilled fuel or
combustible fluids. DO NOT fill the fuel tank
while the engine is running or hot. DO NOT
overfill tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or
sparks from the ignition system. Store fuel in
approved containers, in well-ventilated areas
and away from sparks and flames. NEVER
SAFETY MESSAGE ALERT SYMBOLS
The three (3) Safety Messages shown below will inform you
about potential hazards that could injure you or others. The
Safety Messages specifically address the level of exposure to
the operator, and are preceded by one of three words: DANGER,
WARNING, or CAUTION.
Burn Hazards
DANGER: You WILL be KILLED or
SERIOUSLY injured if you do not follow
Engine components can generate extreme heat.
To prevent burns, DO NOT touch these areas
while the engine is running or immediately after
operations. Never operate the engine with heat
shields or heat guards removed.
WARNING: You CAN be KILLED or
SERIOUSLY injured if you do not follow
directions.
Rotating Parts
CAUTION: You CAN be injured if you
do not follow directions.
NEVER operate equipment with covers, or
guards removed. Keep fingers, hands, hair and
clothing away from all moving parts to prevent
injury.
Potential hazards associated with the STOW SDP-2/SDP-3
diaphragm pumps operation will be referenced with Hazard
Symbols which appear throughout this manual, and will be
referenced in conjunction with Safety Message Alert Symbols.
PAGE 8 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — SAFETY MESSAGE ALERT SYMBOLS
Accidental Starting
Respiratory Hazard
ALWAYS place the engine ON/OFF switch in
the OFF position when the pump is not in use.
ALWAYS wear approved respiratory
protection.
Equipment Damage Messages
Sight and Hearing hazard
Other important messages are provided throughout this manual
to help prevent damage to your pump, other property, or the
surrounding environment.
ALWAYS wear approved eye and hearing
protection.
This pump, other property, or the
surrounding environment could be
damaged if you do not follow
instructions.
WARNING
To avoid injuries and damage to the
equipment, ALWAYS read and understand
contents of operation manual before operating
equipment.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 9
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STOW SDP-2/SDP-3 — RULES FOR SAFE OPERATION
■
NEVER touch the hot exhaust manifold,
muffler or cylinder.Allow these parts to
DANGER:
Failure to follow instructions in this manual may
lead to serious injury or even death! This
equipment is to be operated by trained and
qualified personnel only!This equipment is for
industrial use only.
The following safety guidelines should always be used when
operating the Diaphragm Pump:
■
■
HighTemperatures – Allow the engine to cool before adding
fuel or performing service and maintenance functions. Contact
with hot components can cause serious burns.
GENERAL SAFETY
■
DO NOT operate or service this equipment before
readingthisentiremanual.
The engine of this pump requires an adequate free flow of
cooling air. NEVER! operate the pump in any enclosed or
narrow area where free flow of the air is restricted. If the air
flow is restricted it will cause
■
■
This equipment should not be operated by
persons under 18 years of age.
NEVER operate this equipment without proper
protective clothing, shatterproof glasses, steel-
toed boots and other protective devices required
by the job.
serious damage to the
pump or engine and may
cause injury to people and
property. Remember the
pump's engine gives off
DEADLY gases.
■
■
NEVER operate this equipment when not feeling
well due to fatigue, illness or taking medicine.
■
■
ALWAYS refuel in a well-ventilated area, away from sparks
and open flames.
NEVER operate this equipment under the
influence or drugs or alcohol.
ALWAYS use extreme caution when working with flammable
liquids. When refueling, stop the engine and allow it to cool.
DO NOT smoke around or near the machine. Fire or explosion
could result from fuel vapors, or if fuel is spilled on a hot
engine.
■
■
■
Whenever necessary, replace nameplate, operation and safety
decals when they become difficult read.
■
NEVER operate the pump in an explosive
atmosphere or near combustible
materials. An explosion or fire could result
causing severe bodily harm or even
death.
ALWAYS check the machine for loosened threads or bolts
before starting.
ALWAYS wear proper respiratory (mask) hearing and eye
protection equipment when operating the pump.
■
■
Topping-off to filler port is dangerous, as it tends to spill fuel.
Refer to the Engine Owner's Manual for engine technical
questions or information.
■
■
NEVER use accessories or attachments, which are not
recommended by Multiquip for this equipment. Damage to
the equipment and/or injury to user may result.
Manufacturer does not assume responsibility for any accident
due to equipment modifications.
PAGE 10 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — RULES FOR SAFE OPERATION
■
■
■
■
NEVER Run engine without air cleaner. Severe engine
■
High Temperatures – Always stop engine and allow the
engine to cool before adding fuel, oil or performing service
and maintenance functions. Contact with hot components can
cause serious burns.
damage may occur.
ALWAYS read, understand, and follow procedures in
Operator’s Manual before attempting to operate equipment.
■
NEVER disconnect any "emergency or safety devices".
These devices are intended for operator safety. Disconnection
of these devices can cause severe injury, bodily harm or even
death! Disconnection of any of these devices will void all
warranties.
ALWAYS be sure the operator is familiar with proper safety
precautions and operation techniques before using pump.
ALWAYS store equipment properly when it is not being used.
Equipment should be stored in a clean, dry location out of the
reach of children.
Maintenance Safety
■
■
■
■
NEVER leave the pump unattended, turn off engine when
unattended.
NEVER lubricate components or attempt service on a running
machine.
Unauthorized equipment modifications will void all
warranties.
■
ALWAYS allow the machine a proper amount of time to cool
before servicing.
NEVER pump volatile, explosive, flammable or low flash point
fluids.These fluids could ignite or explode.
■
■
Keep the machinery in proper running condition.
Fix damage to the machine immediately and always replace
broken parts, or missing decals.
■
■
NEVER operate the pump in an explosive atmosphere.
Before starting the pump, check that the clean-out cover is
securely fasten.
■
■
■
Dispose of hazardous waste properly.Examples of potentially
hazardous waste are used motor oil, fuel and fuel filters.
■
■
ALWAYS ensure pump is on level ground before use.
DO NOT use food or plastic containers to dispose of
hazardous waste.
Become familiar with the components of the pump before
operating.
DO NOT pour waste, oil or fuel directly onto the ground,
down a drain or into any water source.
■
■
ALWAYS replace any worn or damaged warning decals.
NEVER pump corrosive chemicals or water containing toxic
substances. These fluids could create serious health and
environmental hazards. Contact local authorities for
assistance.
Emergencies
■
ALWAYS know the location of the
nearest fire extinguisher.
■
NEVER open the priming plug when pump is hot. Hot water
inside could be pressurized much like the radiator of an
automobile. Allow pump to cool to the touch before loosening
plug.
■
■
ALWAYS know the location of the nearest
first aid kit.
■
■
NEVER open the pump housing during operation or start the
pump with the clean-out cover removed.The rotating impeller
inside the pump can cut or sever objects caught in it.
In emergencies always know the location of the
nearest phone or keep a phone on the job site.
Also know the phone numbers of the nearest
ambulance, doctor and fire department. This
information will be invaluable in the case of an
emergency.
NEVER block or restrict flow from discharge hose. Remove
kinks from discharge line before starting pump. Operation
with a blocked discharge line can cause water inside pump
to overheat.
■
■
ALWAYS fill the pump casing with water before starting the
engine. Failure to maintain water inside the pump housing
will cause severe damage to the pump.
In winter drain water from pump housing to prevent freezing.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 11
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STOW SDP-2/SDP-3 — GENERAL INFORMATION
Elevation
APPLICATION
Higher elevations will effect the performance of the pump. Due to
less atmospheric pressure at higher altitudes, pumps DO NOT
have the priming ability that they have at sea level. This is due to
the “thinner air” or lack of oxygen at higher altitudes.
The STOW Model SDP-2 and SDP-3 diaphragm pumps are
designed to be used for de-watering applications. The suction
and discharge ports on the SDP-2 use a 2-inch diameter opening,
which allows the pump to pump at rate of approximately 3,000
gallons/hour (gph) or 11,340 liters/hour (lph). The suction and
discharge ports on the SDP-3 use a 3-inch diameter opening,
which allows the pump to pump at rate of approximately 5,100
gallons/hour (gph) or 19,320 liters/hour (lph).
A general rule of thumb is that for every 1,000 feet of elevation
above sea level a pump will lose one foot of priming ability.
For example, in Flagstaff, Arizona where the elevation is
approximately 7,000 feet, the pump would have a suction lift of
only 18 feet rather than the 25 feet at sea level. Table 3 shows
suction lift at various elevations.
Diaphragm pumps use a positive displacement design rather
than centrifugal force to move water through the casing. This
means the pump will deliver a specific amount of flow per stroke,
revolution or cycle. These pumps are commonly referred to as
mud hogs, mud hens and mud suckers.Their names reflect their
popularity for use in applications where shallow depths and slurry
water render centrifugal pumps ineffective
Table 3. Suction Lift at Various Elevations
Altitude
Suction Lift in Feet (Meters)
Feet (Meters)
Sea Level
10.0 (3.048) 15.0 (4.572) 20.0 (6.096) 25.0 (7.620)
8.80 (2.680) 13.2 (4.023) 17.6 (5.364) 22.0 (6.705)
7.80 (2.377) 11.7 (3.566) 15.6 (4.754) 19.5 (5.943)
6.90 (2.103) 10.4 (3.169) 13.8 (4.206) 17.3 (5.273)
6.20 (1.889) 9.30 (2.834) 12.4 (3.779) 15.5 (4.724)
Power Plant
2,000 (610)
4,000 (1,219)
6,000 (1,829)
8,000 (2,438)
These diaphragm pumps are powered by an 4.0 horsepower air
cooled, 4-stroke, single cylinder HONDA GX-120 gasoline engine
that incorporates a low "Oil Alert Feature" .The drive shaft of the
engine is coupled to an offset connecting rod that is coupled to a
flexible diaphragm. The connecting rod alternately raises
(expands) and lowers (contracts) the diaphragm at a rate
between 40 and 65 strokes per minute depending on engine
speed.
10,000 (3,048) 5.70 (1.737) 8.60 (2.621) 11.4 (3.474) 14.3 (4.358)
Table 4 shows percentage drops in performance as elevation
increases.
Oil Alert Feature
In the event of low oil or no oil, the HONDA GX-120 engine has
a built-in oil alarm engine shut-down feature. In the event the oil
level is low the engine will automatically shut-down.
Table 4. Performance Loss at Various
Elevations
Suction Lift
Altitude
Feet (Meters
This pump is intended to be used for dewatering applications
and is capable of suction lifts up to 25 feet at sea level. For optimal
suction lift performance keep the suction hose or line as short as
possible. In general always place the pump as close to the water
as possible.
Discharge Flow
Discharge Head
Sea Level
100%
97%
95%
93%
91%
88%
100%
95%
91%
87%
83%
78%
2,000 (610)
4,000 (1,219)
6,000 (1,829)
8,000 (2,438)
10,000 (3,048)
Pump Support
The pump should always be placed on solid stationary ground
in a level position.
NEVER place the pump on soft soil. The suction hose or pipe
connection should always be checked for tightness and leaks. A
small suction leak in the hose or fittings could prevent the pump
from priming.
PAGE 12 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — PUMP COMPONENTS
Figure 2 shows a typical application using the STOW SDP-2 or SDP-3 diaphragm pump. Please note that this pump is intended for
the removal of clean water and water containing some debris and solids. Maximum size of solids should not exceed 1 inch (25 mm)
in diameter. DO NOT set strainer on bottom of water bed. Placing the strainer above the water bed will prevent the pump from
drawing in excessive amount
Contact your nearest Multiquip
dealer for quick disconnect hoses
and fittings.
1. Pump –The STOW Mo
and 3-inch diaphragm p
general de-watering a
applications consist of cleaning out cesspools and septic
tanks, draining slow seepage from small excavations,
6. Suction Port – Connect either a 2-inch or 3-inch inlet
trenches and construction sites, or pumping out industrial
waste.
hose to this port depending on pump model. Use two worm
clamps to secure the hose.
2. Fill Cap – Prior to operation, the pump casing should be
7. Suction Hose – Connect a flexible rubber hose to the
filled with water.Remove this cap to add water to the pump.
suction port on the pump. Make sure that the hose lays flat
After the initial prime, a sufficient amount of water will be
and is not kinked. Use only recommended type suction hose.
retained in the casing so that the operator will not need to
Contact Multiquip parts department for ordering information
re-prime later.
8. Strainer – Always attach a strainer to bottom side of the
If the casing is dry or has insufficient water, the pump will
have difficulty in priming which could lead to premature
suction hose to prevent large objects and debris from
entering the pump. Strainer should be positioned so that it
mechanical seal wear thus causing damage to the pump.
will remain completely under water.Running the pump with
3. Discharge Port – Connect a either a 2-inch, and 3-inch
the strainer above water for long periods can damage pump.
discharge hose to this port depending on pump model.
9. Transmission Oil Fill Plug – Remove this plug to add
4. Worm Clamp – Used to secure the hose to the inlet and
SAE 80/90 EP gear oil to the transmission.Transmission oil
capacity is 1-1/4 pints (550 ml.).
outlet ports on the pump. Use two clamps to secure the
hose on the inlet side of the pump.
10. Connecting Rod Grease Access Hole – Grease
5. Discharge Hose – Connect a flexible rubber hose to the
connecting rod bearing through this access hole. Grease
connecting rod bearing every 25 hours of operation.
discharge port on the pump. Make sure that the hose lays
flat and is not kinked. Use only recommended type
discharge hose. Contact Multiquip parts department for
ordering information.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 13
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STOW SDP-2/SDP-3 — BASIC ENGINE
Figure 3. Engine Controls and Components
INITIAL SERVICING
6. Choke Lever – Used in the starting of a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.
The engine (Figure 3) must be checked for proper lubrication and
filled with fuel prior to operation. Refer to the manufacturers engine
manual for instructions & details of operation and servicing. The
engine shown above is a HONDA engine, operation for other
types of engines may vary somewhat.
7. Air Cleaner – Prevents dirt and other debris from entering
the fuel system. Remove wing-nut on top of air filter
cannister to gain access to filter element.
1. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.
Operating the engine without an
air filter, with a damaged air filter,
or a filter in need of replacement
will allow dirt to enter the engine,
causing rapid engine wear.
DANGER
Adding fuel to the tank should be done only when
the engine is stopped and has had an opportunity to
cool down. In the event of a fuel spill, DO NOT attempt to start the
engine until the fuel residue has been completely wiped up, and the
area surrounding the engine is dry.
8. Spark Plug – Provides spark to the ignition system. Set
spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch) Clean
spark plug once a week.
9. Muffler – Used to reduce noise and emissions.
2. Throttle Lever – Used to adjust engine RPM speed (lever
advanced forward SLOW, lever back toward operator
FAST).
WARNING
3. Engine ON/OFF Switch – ON position permits engine
Engine components can generate extreme heat.
To prevent burns, DO NOT touch these areas
starting, OFF position stops engine operations.
4. Recoil Starter (pull rope) – Manual-starting method. Pull
the starter grip until resistance is felt, then pull briskly and
smoothly.
while the engine is running or immediately after operating. NEVER
operate the engine with the muffler removed.
10. Fuel Tank – Holds unleaded gasoline. For additional
5. FuelValve Lever – OPEN to let fuel flow, CLOSE to stop
information refer to engine owner's manual.
the flow of fuel.
PAGE 14 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — PRE-INSPECTION (ENGINE)
3. Insertandremovethedipstickwithoutscrewingitintothefiller
neck. Check the oil level shown on the dipstick.
CAUTION
NEVER operate the pump in
a confined area or enclosed
area structure that does not
provide ample free flow of
air.
4. If the oil level is low (Figure 5), fill to the edge of the oil filler
holewiththerecommendedoiltype(Table5).Maximum oil
capacity is 1.16 quarts (1.1 liters)
ALWAYS wear approved eye and hearing
protection before operating the pump.
Before Starting
Figure 5. Engine Oil Dipstick (Oil Level)
Table 5. Oil Type
1.
Read safety instructions at the
beginning of manual.
2.
Clean the pump, removing dirt and
dust, particularly the engine
cooling air inlet, carburetor and air
cleaner.
Season
Summer
Spring/Fall
Winter
Temperature
25°C or Higher
25°C~10°C
Oil Type
SAE 10W-30
SAE 10W-30/20
SAE 10W-10
3.
4.
5.
Check the air filter for dirt and dust. If air filter is dirty, replace
air filter with a new one as required.
0°C or Lower
Check carburetor for external dirt and dust. Clean with dry
compressed air.
Check fastening nuts and bolts for tightness.
Explosive Fuel
DANGER
Engine Oil Check
1.
To check the engine oil level, place the pump on secure
level ground with the engine stopped.
Motor fuels are highly flammable and can be
dangerous if mishandled. DO NOT smoke
while refueling. DO NOT attempt to refuel the
pump if the engine is hot! or running.
2.
Remove the filler dipstick from the engine oil filler hole
(Figure 4) and wipe clean.
Fuel Check
1. Remove the gasoline cap located on top of fuel tank.
2. Visually inspect to see if the fuel level is low. If fuel is low,
replenish with unleaded fuel.
3. When refueling, be sure to use a strainer for filtration. DO
NOT top-off fuel. Wipe up any spilled fuel immediately!
Figure 4. Engine Oil Dipstick (Removal)
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 15
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STOW SDP-2/SDP-3 — PRE-SETUP (PUMP)
Before Starting
Suction and discharge hoses are
NOTE
1. Read safety instructions at the
beginning of manual.
available from Multiquip. Contact
your nearest dealer for more
information.
2. Place pump as near to water as
possible,onafirmflat,levelsurface.
5. The discharge hose is usually a collapsible (thin-walled)
3. Toprimepump,removefillcap(Figure2)andfillpumpcasing
with water.If the pump casing is not filled with water before
starting, it will not begin pumping.
hose, however if a thin-walled discharge hose is not avail-
able, a rigid suction hose can be substituted in its place.
6. Make sure the suction strainer (Figure 2) is clean and
securely attached to the water end of the suction hose. The
strainer is designed to protect the pump by preventing large
objects from being pulled into the pump.
CAUTION :
Pump casing must be filled with water
before using pump. Otherwise pump will not
be able to begin pumping.
CAUTION :
The strainer should be positioned so it will
remain completely under water. Running the
pump with the strainer above water for long
periods can damage the pump.
WARNING :
DO NOT open fill cap if pump is hot! Water
inside may be under pressure.
CAUTION :
DO NOT pump flammable fluids, corrosive chemicals or fluids
containing toxic substances. These fluids can create potentially
dangerous health and environmental hazards. Contact local
authorities for assistance.
4. Checkforleaksbetweenpumpandengine.Ifwaterisleaking
between the pump and engine housing, the seal inside the
pumpmaybewornordamaged.Continued operationofthe
pumpisnot recommended.Furtherusageofthe pumpunder
theseconditionsmaycauseseverewaterdamagetoengine.
Hoses and Clamps
CAUTION :
This pump uses a water-cooled mechanical
seal to prevent water from seeping into the
engine.The passage of water through the pump
casing lubricates the seal and prevents it from
overheating. NEVER! operate the pump without
water in the casing as this will cause damage to the mechanical
seal.
1. Check that all hoses are securely attached to the pump.
Make certain suction hose (Figure 2) does not have any air
leakage.Tighten hose clamps and couplings as required.
2. Itisrecommendedthat 2 clampsbeusedwhensecuringthe
suction hose to the inlet side (suction) of the pump.
3. Remember suction hoses must be rigid enough not to
collapse when the pump is in operation.
4. Check that the discharge hose (Figure 2) is not restricted.
Place hose so that it lays as straight as it is possible on the
ground. Remove any twists or sharp bends from hose which
may block the flow of water.
PAGE 16 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — PRE-SETUP (PUMP)
Connecting Rod Bearing Lubrication
Gear Reduction Oil (Transmission)
1. Grease connecting rod bearing thru the acess hole
1.
Remove the transmission oil level plug (Figure 6). If oil
begins to seep out as the plug is being removed, then it
can be assumed that the transmission oil is at the proper
operating level.
(Figure 7) every 25 hours of operation.
2.
Use only premium lithium based grease, conforming to
NLG1 Grade #2 consistency.
2.
If oil does not seep out as the oil level plug is being removed,
then remove the transmission oil fill plug and fill with
SAE 80/90 EP gear oil to the proper operating level.
Transmission oil capacity is capacity is 1-1/4 pints (590 ml.).
Figure 7. Connecting Rod Bearing Lubrication
Helpful Hints
The capacity of this diaphragm pump will vary greatly depending on
the height of the suction lift and length of the discharge hose. A
discharge hose which is too small, long or high will cause the
following:
Figure 6.Transmission Oil Level
Diaphragm pumps will handle fluids
containing considerable solids (not to
exceed 1.00 inch/25 mm), however, if
the mixture is too heavy to be pumped,
water must be added until the mixture
becomes sufficently fluid for pumping.
■
■
■
■
■
Excessive bulging of diaphragm on the down stroke.
Valves closing with a lould snap.
Rough operation.
NOTE
Engine overloads and slow downs.
Reduced efficiency
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 17
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STOW SDP-2/SDP-3 — INITIAL START-UP (ENGINE)
4. Placethechokelever(Figure 9)inthe"CLOSED"position
CAUTION :
if starting a warm engine or the temperature is warm.
DO NOT attempt to operate the pump until the Safety, General
Information and Inspection sections of this manual have been
read and thoroughly understood.
This section is intended to assist the operator with the initial
start-up of the trash pump. It is extremely important that this
section be read carefully before attempting to use the pump in
the field.
Figure 11. Engine Choke Lever (Closed)
Starting the Engine (HONDA engine)
1. Place the engine fuel valve lever (Figure 8) to the "ON"
5. Place the engine ON/OFF switch (Figure 12) in the "ON "
position.
position.
Figure 8. Engine FuelValve Lever (ON Position)
2. Move the throttle lever (Figure 9) away from the slow
position, about 1/3 of the way toward the fast position.
Figure 12. Engine ON/OFF Switch (ON Position)
6. Grasp the starter grip (Figure 13) and slowly pull it out.The
resistancebecomesthehardestatacertainposition,corre-
spondingtothecompressionpoint.Pullthestartergripbriskly
andsmoothlyforstarting.
Figure 9. Throttle Lever (1/3 Start Position)
3. Place thechokelever(Figure10)inthe"OPEN"positionif
starting a cold engine.
Figure 13. Starter Grip
Figure 10. Engine
Choke Lever (Open)
PAGE 18 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — INITIAL START-UP (ENGINE)
7. If the engine has started, slowly return the choke lever Stopping The Engine
(Figure14)tothe“CLOSED”position.Iftheenginehasnot
started repeat steps 1 through 6.
Normal Shutdown
1. Movethethrottlelever tothe IDLEposition (Figure16)and
run the engine for three minutes at low speed.
Figure 16.Throttle Lever (Idle)
2. Aftertheenginecools,turntheengineON/OFFswitchtothe
“OFF” position (Figure 17).
Figure 14. Choke Lever (Closed)
8. Beforethepumpisplacedintooperation,runtheenginefor
severalminutes. Checkfor fuelleaks,andnoisesthatwould
associate with a lose component.
9. To begin pumping, place the throttle lever (Figure 15) in the
"RUN" position.
Figure 17. Engine ON/OFF Switch (OFF)
3. Place the fuel shut-off lever (Figure 18) in the ”OFF”
position.
Figure 15.Throttle Lever (Run)
Figure 18. FuelValve Lever (OFF)
Emergency Showdown
1. Move the throttle lever quickly to the “IDLE” position, and
Pump speed can be regulated with
the engine throttle control from full
place the engine ON/OFF switch in the “OFF” position.
volume, 65 strokes per pinute, to
about 40 strokes per minute for
lesser volume seepage.Smoothest
operation can be determined by trying to pump at several speeds.
Limit maximum speed to 65 strokes per minute of the diaphragm
(2,800 RPM engine speed).
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 19
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NOTE PAGE
PAGE 20 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — MAINTENANCE (PUMP)
Pump Vacuum Test
Pump Cleaning
After pumping water containing large amounts of dirt and
debris, perform the following:
CAUTION:
DO NOT attempt to start the engine unless the
pump has previously been primed with water.
1. Remove the drain plug from the pump housing (Figure 2)
and drain any water left in the pump.
Severe pump damage will occur if pump has
not been primed.
3. Clean and remove dirt, debris from pump casing.Inspect
impeller and volute for wear. Replace any damaged or
worn parts.
To perform the pump vacuum test do the following:
Gear Reduction Oil (Transmission)
1. Remove the pump fill cap (Figure 2), and fill the pump
with water.
1.
Change transmission oil after the first 40 hours of
operation. Use SAE 80/90 EP gear oil. Transmission oil
capacity is 1-1/4 pints (590 ml.). Check oil level periodically
and change oil after every 400 hours of operation.
2. Start the engine as outlined in the initial start-up section,
and wait for the pump to begin pumping.
3. As shown in Figure 19 (next page), place a water hose
inside the discharge opening of the pump, and turn on
the water.This flow of water into the discharge opening
will prevent the pump from running dry.
Connecting Rod Bearing Lubrication
1. Grease connecting rod bearing thru the access
hole (Figure 7) every 25 hours of operation.
2.
Use only premium lithium based grease, conforming to
NLG1 Grade #2 consistency.
4. Place the Pump Vacuum Tester (P/N 7000030) over
the pump suction (inlet) opening (Figure 19) with the
vacuum gauge facing upwards. It may be necessary to
apply a small amount of water around the rubber seal of
the vacuum tester to make a good suction fit.
Connecting Rod Bearing Lubrication
1. Keep interior of pump and valves clean. Flush out
pump with clear water after operation.
2. Remove connecting rod guard occasionally and wipe
up excess grease from connecting rod bearing.
5. Check and make sure that there are no air leaks between
the vacuum tester and the inlet port on the pump. If air
leaks are present reseat vacuum tester.
6. Run the pump for a few minutes while monitoring the
vacuum gauge. If the gauge indicates a reading between
-25 and -20 in. Hg. (inches of mercury) then it can be
assumed that the pump is working correctly.
25 in. Hg (inches of mercury)
translates into 25 feet of lift at sea
level.
7. If the vacuum tester gauge indicates a reading
below -20 in. Hg, it can then be assumed that the pump
is not functioning correctly, and corrective action needs
to be taken.
6. To test the flapper valve, shut down the engine. The
vacuum tester should remain attached to the pump
suction inlet port by vacuum. This indicates the pump's
flapper valve is seating properly to hold water in the
suction hose when the engine is stopped.This prevents
backflow and allows for faster priming when the engine
is restarted.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 21
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STOW SDP-2/SDP-3 — MAINTENANCE (PUMP)
Pressure reading may vary depending on
altitude. See Tables 3 and 4 on page 12.
Figure 19. PumpVacuumTester
PAGE 22 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — MAINTENANCE (ENGINE)
Engine Maintenance
Perform engine maintenance procedures as referenced by
Table 6 below:
Table 6. Engine Maintenance Schedule
FIRST
EVERY
EVERY
EVERY
YEAR
OR
EVERY
2 YEARS
OR
MONTH 3 MONTHS 6 MONTHS
OR
DESCRIPTION (3)
OPERATION
BEFORE
OR
OR
10 HRS.
25 HRS.
50 HRS.
100 HRS.
200 HRS.
CHECK
CHANGE
CHECK
X
Engine Oil
X
X
X
Air Cleaner
All Nuts & Bolts
Spark Plug
CHANGE
X (1)
Re-tighten If
Necessary
CHECK-CLEAN
REPLACE
CHECK
X
X
X
Cooling Fins
Spark Arrester
Fuel Tank
CLEAN
X
X
CLEAN
Fuel Filter
CHECK
X
Idle Speed
CHECK-ADJUST
CHECK-ADJUST
CHECK
X (2)
Valve Clearance
Fuel lines
X (2)
Every 2 years (replace if necessary) (2)
(1) Service more frequently when used in DUSTY areas.
(2) These items should be serviced by your servic dealer, unless you have the proper tools and are mechanically
proficient. Refer to the HONDA shop Manual for service procedures
(3) For commercial use, log hours of operation to determine proper maintenance intervals.
Reference manufacturer engine
manual for specific servicing
instructions.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 23
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STOW SDP-2/SDP-3 — MAINTENANCE (ENGINE)
DANGER :
Maintenance
Performtheenginemaintenanceproceduresasindicatedbelow:
DO NOT use gasoline as a cleaning solvent,
because that would create a risk of fire or
explosion.
DAILY
■
Thoroughly remove dirt and oil from the engine and control
area.Clean or replace the air cleaner elements as necessary.
Check and retighten all fasteners as necessary. Check the
spring box and bellows for oil leaks. Repair or replace as
needed.
ENGINEAIRCLEANER
1. Remove the air cleaner cover and foam filter element as
shown in Figure 22.
WEEKLY
■
Remove the fuel filter cap and clean the inside of the fuel
tank.
2. Tap the paper filter element (Figure 22) several times on a
hard surface to remove dirt, or blow compressed air [not
exceeding 30 psi (207 kPa, 2.1 kgf/cm2)] through the filter
elementfromtheaircleanercaseside.NEVER brushoffdirt.
Brushingwillforcedirtintothefibers.Replacethepaperfilter
element if it is excessively dirty.
■
■
Remove or clean the filter at the bottom of the tank.
Remove and clean the spark plug (Figure 20), then adjust
the spark gap to 0.028 ~0.031 inch (0.6~0.7 mm).This unit
has electronic ignition, which requires no adjustments.
3. Cleanfoamelementinwarm,soapywaterornonflammable
solvent. Rinseanddrythoroughly. Diptheelementinclean
engineoilandcompletelysqueezeouttheexcessoilfromthe
element before installing.
Figure 20. Spark Plug Gap
ENGINEOIL
1. Drain the engine oil when the oil is warm as shown in
Figure 21.
2. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
3. Replace engine oil with recommended type oil as listed
in Table 5. Engine oil capacity is 1.16 quarts (1.1 liters).
DO NOT overfill.
4. Install drain bolt with sealing washer and tighten se-
curely.
Figure 22. Engine Air Cleaner
Figure 21. Engine Oil (Draining)
PAGE 24 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — PREPARATION FOR LONG -TERM STORAGE
Pump Storage
For storage of the pump for over 30 days, the following is
required:
z
z
z
Drain the fuel tank completely.
Run the engine until the fuel is completely consumed.
Completely drain used oil from the engine crankcase
and fill with fresh clean oil, then follow the procedures
described in the engine manual for engine storage.
z
Remove the pump cover and clean inside of pump
housing. Coat inside of pump housing with a light film of
oil to reduce corrosion. A spray can of oil works well for
this application.
z
z
z
Cover suction and discharge ports with duct tape to
prevent any foreign matter from falling into pump.
Cover pump and engine with plastic covering or
equivalent and store in a clean, dry place.
To protect the water cooled-seals, place one-half pint of
lubricating oil (new or used) through the discharge opening
on the pump and crank the engine several times. This
will prevent excessive corrosion and also keep the
mechanical seal lubricated.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 25
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STOW SDP-2/SDP-3 — TROUBLESHOOTING (ENGINE)
TABLE 7. ENGINE TROUBLESHOOTING
SYMPTOM
Difficult to start
POSSIBLE PROBLEM
SOLUTION
Ignition plug being bridge?
Carbon deposit at ignition?
Check ignition system.
Clean or replace ignition.
Replace insulators.
Fuel is available but spark plug
will not ignite. (Power available
at high tension cable).
Short circuit due to defective
insulators?
Improper spark gap?
Set spark plug gap to the correct gap.
Check stop switch circuit. Replace stop switch if defective.
Replace ignition coil.
Short circuit at stop switch?
Ignition coil defective?
Fuel is available but spark plug
will not ignite. (Power NOT
available at high tension cable).
Muffler clogged with carbon
deposits?
Clean or replace muffler.
Mixed fuel quality is
inadequate?
Check fuel to oil mixture.
Fuel is available and spark plug
ignites (compression normal).
Fuel in use inadequate (water,
dust)?
Flush fuel sytem and replace with fresh fuel.
Air Cleaner clogged?
Defective cylinder head gasket?
Cylinder worn?
Clean or replace air cleaner.
Tighten cylinder head bolts or replace head gasket.
Replace cylinder.
Fuel is available and spark plug
ignites (compression low ).
Spark plug loose?
Tighen spark plug.
Operation not satisfactory
Air cleaner clogged?
Air in fuel line?
Clean or replace air cleaner.
Bleed (remove air) from fuel line.
Not enough power available
(compression normal, no miss-
firing).
Fuel level in carbureator float
chamber improper?
Adjust carbureator float
Carbon deposits in cylinder?
Ignition coil defective?
Clean or replace cylinder
Flush fuel sytem and replace with fresh fuel.
Replace ignition wires, clean ignition.
Flush fuel sytem and replace with fresh fuel.
Not enough power available
(compression normal, miss-
firing).
Ignition plug often shorts?
Fuel in use inadequate (water,
dust)?
Excessive carbon depostion in
combustion chamber?
Clean or replace crankcase.
Clean or replace muffler.
Engine overheats.
Exhaust or muffler clogged with
carbon.
Spark plug heat value incorrect? Replace spark plug with correct type spark plug.
PAGE 26 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — TROUBLESHOOTING (ENGINE/PUMP)
TABLE 7. ENGINE TROUBLESHOOTING (Continued)
SYMPTOM
POSSIBLE PROBLEM
SOLUTION
Operation not satisfactory
Governor adjustment improper?
Governor spring defective?
Fuel flow erratic?
Adjust governor to correct lever.
Clean or replace ignition.
Check fuel line.
Rotational speed fluctuates.
Air taken in through suction
line?
Check suction line.
Dust in rotating part?
Spring spring failure?
Clean recoil starter assembly.
Replace sprial spring.
Recoil starter not working
properly.
TABLE 8. PUMP TROUBLESHOOTING
SYMPTOM
POSSIBLE PROBLEM
SOLUTION
Not enough priming water in the housing?
Engine speed too low?
Add water.
Increase throttle.
Clean strainer.
Strainner plugged?
Suction hose damaged?
Replace or repair hose, and clamps
Check that fittings are tight and properly sealed.
Move pump closer to water.
Air leak at suction port?
Pump is located too high above water line?
Debris collecting in pump housing?
Pump does not take on water.
Clean pump housing.
Water leaking out weep hole between pump and Check condition of mechanical seal and gaskets,
engine?
between pump end and engine housing.
Check that valves are seated correctly. Pour water in
in suction chamber to help seal valves.
Valves not seated correctly?
Pump does not prime correctly?
Engine speed too low?
Check diaphragm for breaks or leaks.
Increase throttle speed.
Clean strainer.
Pump takes in water, little or no
discharge.
Suction strainer partially plugged?
Tighten, replace or add clamp. (Keep extra seals on
pump)
Fittings/clamps are not sealed properly?
Suction hose leaks at inlet.
Hose diameter is too large?
Pressure too high?
Use smaller diameter hose or replace hose.
Check pressure, add additional clamp.
Check hose.
Discharge hose does not stay
on coupling.
Hose kinked or end blocked?
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 27
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STOW SDP-2/SDP-3 — EXPLANATION OF CODE IN REMARKS COLUMN
How to read the marks and remarks used in this parts
book.
he contents of this catalog are
ubject to change without notice.
Items Found In the “Remarks” Column
Serial Numbers-Where indicated, this indicates a serial
number range (inclusive) where a particular part is used.
Model Number-Where indicated, this shows that the
corresponding part is utilized only with this specific model
number or model number variant.
Items Found In the “Items Number”Column
All parts with same symbol in the number column, , #,
or <, belong to the same assembly or kit.
+, %,
*
If more than one of the same
reference number is listed, the
last one listed indicates newest
(or latest) part available.
PAGE 28 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/SDP-3 — SUGGESTED SPARE PARTS
STOW SDP-2/SDP-3 DIAPHRAGM PUMP
1TO 3 UNITS WITH
HONDA GX120K1QX2 ENGINE
Qty.
P/N
Description
3 ............ 17210ZE0505 ....... ELEMENT AIR CLEANER DUAL
3 ............ 9807955846 .......... SPARK PLUG
1 ............ 17620ZH7023 ....... CAP, FUEL WITH GASKET
1 ............ 28462ZH8003 ....... ROPE STARTER
1 ............ 2022331 ................ DIAPHRAGM 2-INCH
1 ............ SP2726TPE .......... DIAPHRAGM 3-INCH
2 ............ 2023356 ................ FLAP VALVE 2-INCH
2 ............ SP3311N .............. FLAP VALVE 3-INCH
1 ............ 2023322 ................ PLUG, 2 & 3-INCH FILL
1 ............ 2023323 ................ GASKET, 2 & 3-INCH PLUG
1 ............ 0742304050 .......... STRAINER 2-INCH
Part number on this Suggested
Spare Parts List may super cede/
replace the P/N shown in the text
pages of this book.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 29
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STOW SDP-2 — WATERBOX & GROOVE ASSY. (2-INCH)
WATERBOX & GROOVE ASSY. (2-INCH)
PAGE 30 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2 — WATERBOX & GROOVE ASSY. (2-INCH)
WATERBOX & GROOVE ASSY. (2-INCH)
NO.
1
2
3
4
5
5A
6
7
8
PART NO.
SP3354A1
SP3322
SP3323
SP3015
PART NAME
SUCTION CONN & GROOVE PIN ASSY.
2” FILL PLUG
QTY. REMARKS
1
1
1
2
4
4
2
2
2
2
4
1
1
3
3
1
1
1
3
2” PLUG GASKET
EXTRA HEAVY NIPPLE
3/8”X1-1/2” HEX SCREW
3/8”LOCKWASHER
1/8”X3/8” SPRING PIN
VALVE WEIGHT
FLAP VALVE
VALVE BINDER
RD. HD. MACH. SCREW #10-32X1/2”
WATERBOX & GROOVE PIN ASSY.
DISCHARGE CONNECTION
STUD, 3/8”-16 X 2 UNC
HEX NUT, 3/8”-16
DIAPHRAGM BOTTOM
DIAPHRAGM
2023812
2023800
2021838
2023358
2023356
2023357
2021032
SP3351A1
SP3355A1
2023458
2061213
SP3353A1
SP2331TPE
0742304050
2023816
9
10
11
12
13
13A
14
15
16
17
STRAINER
NUT, HEX 3/8”-16 UNC
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 31
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STOW SDP-2 — PUMP ASSY. (2-INCH)
2-INCH PUMP ASSY.
PAGE 32 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2 — PUMP ASSY. (2-INCH)
2-INCH PUMP ASSY.
NO.
16
16A
17
18
19
19A
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
43A
44
45
46
47
48
48A
49
50
51
51A
52
53
53A
54
63
64
65
PART NO.
2021214
2061213
SP3350
2025818
3051213
2021200
2023212
SP3360
SP3352
2020316
SP4864
2020807
SP4895
2021232
2021211
2025656
2024540
SP4850
2024858
2063070
2024853
2025058
2063040
2024852
2023417
2023020
2021434
SP4851
SP3321
2021420
2021402
2061880
2024854
2025100
2029106
3051421
2021421
2021827
2024859
2025162
2025167
SP4856
2025160
2025165
2025601
SP3691
2021012
2021402
PART NAME
QTY. REMARKS
SCREW, 1/2”X2-1/4” HEX, HN
HEX NUT, 1/2” -13 UNC
PUMP FRAME
2
2
1
1
4
4
6
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
2
2
1
1
1
1
9
9
2
1
4
4
1
4
4
1
1
2
2
JAM NUT, 5/8-18 UNF
HEX SCREW 1/2”-13 UNC X 1-3/4”
WASHER, LOCK 1/2”
SCREW, #10-32X3/8” FT. HD. MACH
RETAININGWASHER
CONNECTING ROD
GREASE FITTING, 3/16” DRIVE TYPE STR.
BEARING, CONNECTING ROD
WOODRUFF KEY
CRANK ARM
OIL SEAL
SCREW, HEX 1/2”X1-1/2”-13 UNC
SCREW, SOCKET SET 5/16”X5/16” -18 UNC
PLUG, 3/8” VENTED PIPE, PLASTIC
CASE
GASKET, GEAR CASE
BEARING, BALL
GEAR SHAFT
GEAR, 79TOOTH
BEARING, BALL
PINION, 11TOOTH
GEAR, 85 TOOTH INTERNAL
BEARING, BALL
PIN, 1/4”X3/4” DOWEL
COVER
LIFTING HOOK
SCREW, HEX 1/4”-20 UNC X 1-1/4”
WASHER, LOCK 1/4”
NEEDLE BEARING
14T PINION (3/4” BORE)
RETAINING RING
BEARING, BALL
SCREW, 1/4-20” UNC X1”
WASHER, LOCK 1/4”
PLUG, 1/8” NPT SQ. HD. PIPE
O-RING
SCREW, HEX 5/16”-24 UNF X1”
WASHER, LOCK 5/16”
ENGINE ADAPTER
SCREW, SOCKET HD. 5/16”-18 UNC X1”
LOCK WASHER CSW/INTERNALTOOTH
KEY 3/16” SQ. X 1” LG
GUARD
SELF TAPPING MACH. SCREWS
WASHER, FLAT 1/4”
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 33
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STOW SDP-3 — WATERBOX & GROOVE ASSY. (3-INCH)
WATERBOX & GROOVE ASSY. (3-INCH)
PAGE 34 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-3 — WATERBOX & GROOVE ASSY. (3-INCH)
WATERBOX & GROOVE ASSY. (3-INCH)
NO.
1
2
3
4
5
5A
6
7
8
PART NO.
SP3309A1
SP3322
SP3323
SP3041
AO100500175
2023800
2021838
SP3313
SP3311N
SP3312
PART NAME
PIN, SUCTION CONN & GROOVE ASSY.
PLUG, 2” FILL
QTY. REMARKS
1
1
1
2
4
4
2
2
2
2
GASKET, 2” PLUG
NIPPLE, EXTRA HEAVY
SCREW, 1/2”-13 X 1-3/4” HX
3/8”LOCKWASHER
PIN, 1/8”X3/8” SPRING
VALVE WEIGHT
FLAP VALVE
VALVE BINDER
9
10
11
12
13
2021032
RD. HD. MACH. SCREW #10-32X1/2”
PIN, WATERBOX & GROOVE ASSY.
DISCHARGE CONNECTION
BOLT, 1/2” X 2” CARR.
SP3308A1
SP3310A1
AO200500200ZC
1
1
3
14
15
16
17
SP3306A1
SP2726TPE
SP3364
DIAPHRAGM BOTTOM
DIAPHRAGM
STRAINER
1
1
1
3
2023816
NUT, HEX 3/8”-16 UNC
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 35
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STOW SDP-3 — PUMP ASSY.
3-INCH PUMP ASSY.
PAGE 36 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-3 — PUMP ASSY.
3-INCH PUMP ASSY.
NO.
16
16A
17
18
19
19A
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
43A
44
45
46
47
48
48A
49
50
51
51A
52
53
53A
54
63
64
65
PART NO.
2021214
2061213
SP4771
OEBX
PART NAME
QTY. REMARKS
SCREW, 1/2”X2-1/4” HEX, HN
HEX NUT, 1/2” -13 UNC
PUMP FRAME
2
2
1
1
4
4
6
2
1
NUT, 3/4-16 UNF. JAM
HEX SCREW 1/2”-13 UNC X 1-3/4”
WASHER, LOCK 1/2”
SCREW, #10-32X3/8” FT. HD. MACH
WASHER, RETAINING
CONNECTING ROD
GREASE FITTING, 3/16” DRIVE TYPE STR.
BEARING, CONNECTING ROD
WOODRUFF KEY
CRANK ARM
OIL SEAL
SCREW, HEX 1/2”X1-1/2”-13 UNC
SCREW, SOCKET SET 5/16”X5/16” -18 UNC
PLUG, 3/8” VENTED PIPE, PLASTIC
CASE
3051213
2021200
2023212
SP3360
SP3352
2020316
SP5581
2020807
SP5583
2021232
2021211
2025656
2024540
SP4850
2024858
2063070
2024853
2025058
2063040
2024852
2023417
2023020
2021434
SP4851
SP3321
2021420
2021402
2061880
2024854
2025100
2029106
3051421
2021421
2021827
2024859
2025162
2025167
SP4856
2025160
2025165
2025601
SP3691
DC290X19050FZ
2021402
1
1
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
2
2
1
1
1
1
9
9
2
1
4
4
1
4
4
1
1
2
2
GASKET, GEAR CASE
BEARING, BALL
GEAR SHAFT
GEAR, 79TOOTH
BEARING, BALL
PINION, 11TOOTH
GEAR, 85 TOOTH INTERNAL
BEARING, BALL
PIN, 1/4”X3/4” DOWEL
COVER
LIFTING HOOK
SCREW, HEX 1/4”-20 UNC X 1-1/4”
WASHER, LOCK 1/4”
NEEDLE BEARING
14T PINION (3/4” BORE)
RETAINING RING
BEARING, BALL
SCREW, 1/4-20” UNC X1”
WASHER, LOCK 1/4”
PLUG, 1/8” NPT SQ. HD. PIPE
O-RING
SCREW, HEX 5/16”-24 UNF X1”
WASHER, LOCK 5/16”
ENGINE ADAPTER
SCREW, SOCKET HD. 5/16”-18 UNC X1”
LOCK WASHER CSW/INTERNALTOOTH
KEY 3/16” SQ. X 1” LG
GUARD
SCREW, 10-24X1/2” SELF TAPPING
WASHER, FLAT 1/4”
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 37
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STOW SDP-2/3 — AXLE, HANDLE, ENGINE MTG. AND BUMPER ASSY.
AXLE, HANDLE, ENGINE MOUNTING AND BUMPER ASSY.
PAGE 38 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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STOW SDP-2/3 — AXLE, HANDLE, ENGINE MTG. AND BUMPER ASSY.
AXLE, HANDLE, ENGINE MOUNTING AND BUMPER ASSY.
NO.
1
PART NO.
2020274A
2023400
2023161
2023816
2023039
2023800
2063816
2023320A
2021213
2021200
2025111
2025167
3055160
2022676
2023327
2025169
GX160K1QX2
PART NAME
QTY. REMARKS
WHEELS SEMI-PNEUMATIC
WASHER, FLAT 3/4” SAE
COTTER PIN, 3/16” X 1-1/4” LG
SCREW, HEX 3/8”-16 UNC X 1-1/4”
AXLE CLAMP
2
2
2
2
2
2
2
1
2
4
4
4
8
4
1
2
1
2
3
4
5
6
WASHER LOCK
NUT HEX 3/8”-16 UNC
HANDLE
SCREW HEX 1/2”-13 UNC X 2-1/2”
WASHER, LOCK
NUT HEX 5/16””-18 UNC
WASHER, LOCK 5/16”
WASHER, FLAT 5/16”
WASHER, SLOTTED HOLE 1/32”THK
BUMPER
7
8
9
10
11
12
13
14
15
16
17
SCREW, HEX 5/16”-18 UNC X 2”
HONDA ENGINE 4.0 HP
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 39
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HONDA GX120K1QX2 ENGINE — AIR CLEANER ASSY.
AIR CLEANER ASSY.
PAGE 40 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — AIR CLEANER ASSY.
AIR CLEANER ASSY.
NO.
1
2
3
*
4
PART NO.
PART NAME
QTY.
REMARKS
16271ZE1000
17210ZE0505
17218ZE0505
17230ZE0820
17232891000
17238ZE0010
17239ZE1000
17410ZE0030
90325044000
957010602000
9405006000
GASKET, ELBOW
1
ELEMENT, AIR CLEANER (DUAL) ................... 1.............INCLUDES ITEMS W/
FILTER, OUTER
COVER, AIR CLEANER (DUAL)
GROMMET, AIR CLEANER
COLLAR, AIR CLEANER
COLLAR B, AIR CLEANER
ELBOW, AIR CLEANER ................................... 1.............INCLUDES ITEMS W/
WINGNUT, TOOL BOX SETTING
BOLT, FLANGE 6X20
*
1
1
1
2
1
5
*
7
8
9
#
#
#
12
13
14
2
1
2
NUT, FLANGE 6MM
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 41
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HONDA GX120K1QX2 ENGINE — CAMSHAFT ASSY.
CAMSHAFT ASSY.
PAGE 42 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — CAMSHAFT ASSY.
CAMSHAFT ASSY.
NO.
1
2
3
4
PART NO.
PART NAME
QTY.
REMARKS
14100ZE0812
14410ZE0010
14431ZE1000
14441ZE1010
14451ZE1013
14568ZE1000
14711ZF0010
14721ZF0000
14751ZF1000
14771ZE1000
14773ZE1000
14781ZE1000
14791ZE0010
90012ZE0010
90206ZE1000
CAMSHAFT ASSEMBLY.................................. 1.............INCLUDES ITEMS W/
*
ROD, PUSH
ARM, VALVE ROCKER
LIFTER, VALVE
PIVOT, ROCKER ARM
SPRING, WEIGHT RETURN
VALVE, IN.
VALVE, EX.
SPRING, VALVE
RETAINER, IN. VALVE SPRING
RETAINER, EX. VALVE SPRING
ROTATOR, VALVE
PLATE, PUSH ROD GUIDE
BOLT, PIVOT 8MM
2
2
2
2
1
1
1
2
1
1
1
1
2
2
5
6
*
7
8
9
10
11
12
13
14
15
NUT, PIVOT ADJ.
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 43
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HONDA GX120K1QX2 ENGINE — CARBURETOR ASSY.
CARBURETOR ASSY.
PAGE 44 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — CARBURETOR ASSY.
CARBURETOR ASSY.
NO.
PART NO.
PART NAME
QTY.
REMARKS
1
*
2
*
3
*
4
*
5
*
6
*
7
*
8
*
9
16010ZE1812
16011ZE0005
16013ZE0005
16015ZE1811
16016ZH7W01
16024ZE1811
16028ZE0005
16044ZE0005
16100ZH7W51
16124ZE0005
16166ZH7W50
16173001004
16211ZE0000
16212ZH7800
16220ZE1020
16221ZH8801
16610ZE1000
16953ZE1812
16954ZE1811
16956ZE1811
16957ZE1812
16967ZE0811
93500030080G
9430520122
GASKET SET
1
1
1
1
1
1
1
1
VALVE SET, FLOAT
FLOAT SET
CHAMBER SET, FLOAT
SCREW SET
SCREW SET, DRAIN
SCREW SET B
CHOKE SET
CARBURETOR ASSEMBLY, BE60B B............. 1.............INCLUDES ITEMS W/
SCREW, THROTTLE STOP
NOZZLE, MAIN
GASKET, FUEL STRAINER CUP
INSULATOR, CARBURETOR
GASKET, INSULATOR
SPACER, CARBURETOR
GASKET, CARBURETOR
*
10
1
1
1
1
1
1
1
*
11
*
12
*
13
14
15
16
17
LEVER, CHOKE (STANDARD) ......................... 1.............INCLUDES ITEMS W/+
LEVER,VALVE
18
1
1
1
1
1
2
1
1
1
1
1
*
19
*
PLATE, LEVER SETTING
SPRING, VALVE LEVER
GASKET, VALVE
CUP, FUEL STRAINER
SCREW, PAN (3 X 6)
PIN, SPRING (2 X 12)
JET, MAIN (#55) (OPTIONAL)
JET, MAIN (#58) (OPTIONAL)
JET, MAIN (#60)
20
*
21
*
22
*
23
*
24
25
25
25
26
#
99101ZH80550
99101ZH80580
99101ZH80600
99204ZE00350
*
*
JET, SET, PILOT (#35)
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 45
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HONDA GX120K1QX2 ENGINE — CONTROL ASSY.
CONTROL ASSY.
PAGE 46 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — CONTROL ASSY.
CONTROL ASSY.
NO.
3
4
5
6
PART NO.
PART NAME
QTY.
REMARKS
16500ZH7820
16551ZE0010
16555ZE0000
16561ZE0020
16562ZE0020
16571ZH7000
16574ZE1000
16575ZH8000
16576891000
16578ZE1000
16580ZH7810
16584883300
16592ZE1810
90013883000
90015ZE5010
90022888010
90114SA0000
93500050250H
93500050160A
9405006000
CONTROL ASSEMBLY (REMOTE) ........... 1 ............ INCLUDES ITEMS W/
#
ARM, GOVERNOR
ROD, GOVERNOR
SPRING, GOVERNOR
SPRING,THROTTLE RETURN
LEVER, CONTROL
SPRING, LEVER
WASHER, CONTROL LEVER
HOLDER, CABLE
SPACER, CONTROL LEVER
BASE CONTROL
SPRING, CONTROL ADJUSTING
SPRING, CABLE RETURN
BOLT, FLANGE 6X12 (CT200)
BOLT, GOVERNOR ARM
BOLT, FLANGE 6X20 (CT200)
NUT, SELF- LOCK 6MM
SCREW, PAN 5X25
1
1
1
1
1
1
1
7
8#
#
9
10
11
12
14
15
16
18
19
20
21
24
25
26
#
#
#
#
#
#
1
1
1
1
1
1
1
1
1
1
#
#
#
SCREW, PAN
NUT, FLANGE 6MM
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 47
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HONDA GX120K1QX2 ENGINE — CRANKCASE COVER ASSY.
CRANKCASE COVER ASSY.
PAGE 48 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — CRANKCASE COVER ASSY.
CRANKCASE COVER ASSY.
NO.
1
2
PART NO.
PART NAME
QTY.
REMARKS
11300ZE0640
11381ZH7800
15600ZE1003
15600ZG4003
15625ZE1003
15625ZE1003
90015883000
91001878003
91203ZE0003
9430108140
COVER ASSEMBLY, CRANKCASE (W- TYPE)....... 1 ..............INCLUDES ITEMS W/
*
#
GASKET, CASE COVER
CAP ASSEMBLY, OIL FILLER ................................ 1 ..............INCLUDES ITEMS W/
CAP ASSEMBLY, OIL FILLER ................................ 1 ..............INCLUDES ITEMS W/+
GASKET, OIL FILLER CAP
GASKET, OIL FILLER CAP
BOLT, FLANGE 6X28
BEARING, RADIAL BALL
OIL SEAL 22X41X6
1
3
4
7#
1
1
7
1
1
2
8+
9
10
*
11
12
*
PIN A, DOWEL 8X14
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 49
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HONDA GX120K1QX2 ENGINE — CRANKSHAFT ASSY.
CRANKSHAFT ASSY.
PAGE 50 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — CRANKSHAFT ASSY.
CRANKSHAFT ASSY.
NO.
1
2
PART NO.
13310ZE0601
90745ZE1600
PART NAME
CRANKSHAFT, H-TYPE
KEY 4.78 X4.78X38
QTY.
1
1
REMARKS
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 51
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HONDA GX120K1QX2 ENGINE — CYLINDER BARREL ASSY.
CYLINDER BARREL ASSY.
PAGE 52 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — CYLINDER BARREL ASSY.
CYLINDER BARREL ASSY.
NO.
2
3
PART NO.
PART NAME
QTY.
REMARKS
120A0ZH7810
15510ZE1033
16510ZE1000
16511ZE1000
16512ZE1000
16513ZE1000
16531ZE1000
16541ZE1000
90131ZE1000
90451ZE1000
90601ZE1000
90602ZE1000
91001878003
91202ZE6003
91353671003
9405010000
CYLINDER ASSEMBLY (OIL ALERT) ........1 ............ INCLUDES ITEMS W/
*
#
SWITCH ASSEMBLY, OIL LEVEL
GOVERNOR ASSEMBLLY .........................1 ............ INCLUDES ITEMS W/
1
4
5#
6#
7#
8
9
WEIGHT, GOVERNOR
HOLDER, GOVERNORWEIGHT
PIN, GOVERNOR WEIGHT
SLIDER, GOVERNOR
SHAFT, GOVERNOR ARM
BOLT, DRAIN PLUG
WASHER, THRUST 6mm
WASHER, DRAIN PLUG 10.2mm
CLIP, GOVERNOR HOLDER
BEARING, RADIAL BALL 62/22
OIL SEAL 22X35X6
O- RING 13.5X1.5 (ARAI)
NUT, FLANGE 10mm
2
1
2
1
1
2
1
2
1
1
1
1
1
2
1
2
10
11
12
13
14
15
16
17
18
19
20
*
*
9410106800
9425108000
957010601200
WASHER, PLAIN 6mm
PIN, LOCK 8mm
BOLT, FLANGE 6X12
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 53
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HONDA GX120K1QX2 ENGINE — CYLINDER HEAD ASSY.
CYLINDER HEAD ASSY.
PAGE 54 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — CYLINDER HEAD ASSY.
CYLINDER HEAD ASSY.
NO.
PART NO.
PART NAME
QTY.
REMARKS
1
12210ZH7000
12204ZE1306
12205ZE1315
12216ZE5300
12251ZH7800
12310ZE1000
12310ZE1010
12391ZE1000
15721ZH8000
90013883000
90043ZE1020
90047ZE1000
9430110160
CYLINDER HEAD ..................................................1.............. INCLUDES ITEMS W/
*
2
3
GUIDE, VALVE (OS) OPTIONAL
GUIDE, EX. VALVE (OS) OPTIONAL ................... 1.............. INCLUDES ITEMS W/+
CLIP, VALVE GUIDE
GASKET, CYLINDER HEAD
COVER, HEAD
COVER, HEAD
GASKET, CYLINDER HEAD COVER
TUBE, BREATHER
BOLT, FLANGE 6X12 (CT200)
BOLT, STUD 6X109
1
*
*
4 +
1
1
1
1
1
1
4
2
2
2
4
1
*
5
6
6
7
8
9
10
11
12
14
15
BOLT, STUD 8X32
PIN, A, DOWEL 10X16
BOLT, FLANGE 8X55
SPARK PLUG BPR6ES (NGK)
957230805500
9807955846
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 55
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HONDA GX120K1QX2 ENGINE — FAN COVER ASSY.
FAN COVER ASSY.
PAGE 56 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — FAN COVER ASSY.
FAN COVER ASSY.
NO.
1
2
3
4
5
6
7
7
8
9
10
11
13
PART NO.
PART NAME
QTY.
REMARKS
11347371300
19610ZE0000ZE
19611ZH7810
90601ZH7013
19630ZH7000
32197ZH8003
36100ZE1015
36100ZH7003
36101ZE1010
90013883000
90022888010
34150ZH7003
957010600800
GROMMET, ADJUSTING COVER
COVER, FAN *NH1* BLACK
PLATE, SIDE (OIL ALERT)
CLIP, HARNESS
1
1
1
1
1
1
1
1
1
6
1
1
1
SHROUD
SUB- HARNESS
SWITCH ASSEMBLY, ENGINE STOP
SWITCH ASSEMBLY, ENGINE STOP
WIRE, STOP SWITCH 370MM
BOLT, FLANGE 6X12 (CT200)
BOLT, FLANGE 6X12 (CT200)
ALERT UNIT, OIL
BOLT, FLANGE 6X8
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 57
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HONDA GX120K1QX2 ENGINE — FLYWHEEL ASSY.
FLYWHEEL ASSY.
PAGE 58 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — FLYWHEEL ASSY.
FLYWHEEL ASSY.
NO.
1
2
4
5
PART NO.
PART NAME
KEY, SPECIAL WOODRUFF 25X18
FAN, COOLING
PULLEY, STARTER
FLYWHEEL
NUT, SPECIAL 14MM
QTY.
REMARKS
13331357000
19511ZE0000
28451ZH8003
31100ZE0010
90201878003
1
1
1
1
1
7
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 59
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HONDA GX120K1QX2 ENGINE — FUELTANK ASSY.
FUEL TANK ASSY.
PAGE 60 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — FUELTANK ASSY.
FUEL TANK ASSY.
NO.
1
2
3
5
PART NO.
PART NAME
RUBBER, SUPPORTER 107MM
JOINT, FUEL TANK
TANK, FUEL *NH1* (BLACK)
CAP, FUEL FILLER ..................................... 1 .......... INCLUDES ITEMS W/
GASKET, FUEL FILLER CAP
O- RING 13.5X1.5 (ARAI)
NUT, FLANGE 6MM
BULK HOSE, FUEL (4.5X3000) (4.5X140)
CLIP, TUBE (B8)
QTY.
REMARKS
16854ZH8000
16955ZE1000
17510ZE0020ZD
17620ZH7023
17631ZH7003
91353671003
9405006000
1
1
1
*
6
1
1
2
1
2
1
*
11
12
13
14
15
950014500360M
9500202080
90004ZH7003
BOLT, FLANGE 6X29
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 61
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HONDA GX120K1QX2 ENGINE — IGNITION COIL ASSY.
IGNITION COIL ASSY.
PAGE 62 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — IGNITION COIL ASSY.
IGNITION COIL ASSY.
NO.
1
2
PART NO.
PART NAME
QTY.
REMARKS
30500ZE1033
30700ZE1013
90121952000
COIL ASSEMBLY, IGNITION
CAP ASSEMBLY, NOISE SUPPRESSOR
BOLT, FLANGE 6X25
1
1
2
8
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 63
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HONDA GX120K1QX2 ENGINE — MUFFLER ASSY.
MUFFLER ASSY.
PAGE 64 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — MUFFLER ASSY.
MUFFLER ASSY.
NO.
1
3
7
10
13
PART NO.
PART NAME
QTY.
REMARKS
18310ZF1000
18320ZF1H01
18381ZH8800
90050ZE1000
94001080000S
MUFFLER
1
1
1
4
2
PROTECTOR, MUFFLER
GASKET, MUFFLER
SCREW, TAPPING 5X8
NUT, HEX. 8MM
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 65
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HONDA GX120K1QX2 ENGINE — PISTON ASSY.
PISTON ASSY.
PAGE 66 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — PISTON ASSY.
PISTON ASSY.
NO.
1
1
1
1
2
2
2
2
3
4
4
5
*
6
PART NO.
PART NAME
QTY. REMARKS
13010ZK7V01
13011ZE6013
13012ZK7V01
13013ZK7V01
13101ZH7000
13102ZH7000
13103ZH7000
13104ZH7000
13111ZE0000
132A0ZE0000
13200ZE0000
90001ZE1000
90551ZE0000
RING SET, PISTON (STANDARD)
RING SET, PISTON (OS 0.25), OPTIONAL
RING SET, PISTON (OS 0.50) , OPTIONAL
RING SET, PISTON (OS 0.75), OPTIONAL
PISTON, STANDARD
1
1
1
1
1
1
1
1
1
PISTON, OS 0.25
PISTON, OS 0.50
PISTON, 0.75
PIN, PISTON
ROD ASSY, CONNECTING (UNDER SIZE) .... 1 ...... INCLUDES ITEMS W/
ROD ASSEMBLY, CONNECTING.................... 1 ...... INCLUDES ITEMS W/
BOLT, CONNECTING ROD
CLIP, PISTON PIN 13MM
*
*
2
2
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 67
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HONDA GX120K1QX2 ENGINE — RECOIL STARTER ASSY.
RECOIL STARTER ASSY.
PAGE 68 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — RECOIL STARTER ASSY.
RECOIL STARTER ASSY.
NO.
PART NO.
PART NAME
QTY.
REMARKS
1
28400ZH8013ZB
28410ZH8003ZB
28420ZH8013
28422ZH8013
28433ZH8003
28441ZH8003
28442ZH8003
28443ZH8003
28461ZH8003
28462ZH8003
90003ZH8003
9008ZE2003
STARTER ASSY., RECOIL *NH1* (BLACK) .......... 1.............. INCLUDES ITEMS W/
*
2
CASE, RECOIL STARTER *NH1* (BLACK)
REEL, RECOIL STARTER
RATCHET, STARTER
GUIDE, RATCHET
SPRING, FRICTION
SPRING, RECOIL STARTER
SPRING, RETURN
KNOB, RECOIL STARTER
ROPE, RECOIL STARTER
SCREW, SETTING
1
1
2
1
1
1
2
1
1
1
3
*
3
*
4
*
5
*
6
*
7
*
8
*
9
*
10
*
11
*
12
BOLT, FLANGE 6X10
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 69
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HONDA GX120K1QX2 ENGINE — GASKET KIT ASSY.
GASKET KIT ASSY.
NO ARTWORK AVALIBLE
PAGE 70 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — GASKET KIT ASSY.
GASKET KIT ASSY.
NO.
PART NO.
PART NAME
QTY.
REMARKS
2
06111ZH7405
11381ZH7800
12251ZH7800
12391ZE1000
16212ZH7800
16221ZH8801
18381ZH8800
GASKET KIT ......................................................... 1.............. INCLUDES ITEMS W/
*
3
*
4
*
5
*
6
*
7
*
8
*
GASKET, CASE COVER
GASKET, CYLINDER HEAD
GASKET, CYLINDER HEAD COVER
GASKET, INSULATOR
GASKET, CARBURETOR
GASKET, MUFFLER
1
1
1
1
1
1
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 71
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HONDA GX120K1QX2 ENGINE — LABELS ASSY.
LABELS ASSY.
PAGE 72 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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HONDA GX120K1QX2 ENGINE — LABELS ASSY.
LABELS ASSY.
NO.
1
3
4
6
PART NO.
PART NAME
QTY.
REMARKS
87521ZH7020
87522ZH9000
87528ZE1810
87532ZH8810
EMBLEM
1
1
1
1
LABEL, CAUTION
MARK, CHOKE
MARK, OIL ALERT (E)
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 73
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Effective: July 15, 2003
TERMS AND CONDITIONS OF SALE — PARTS
Terms and Conditions of Sale
STOW Construction Equipment
DROP SHIPMENTS
PAYMENT TERMS
Terms of payment for unit sales are 2% 15
days net 30 days from date of invoice unless
otherwise specifically stated on our invoice.
Parts invoices have terms of net 10 days.
Minimum parts billing is $15.00 net.
Applicable discounts will be computed on
merchandise value only. Late charges will be
assessed at prevailing rates. Cash discounts
cannot be taken on current billings if any
previously billed amounts are past due.
STOW reserves the right to refuse Drop
Shipments outside the normal service area of
the purchasing dealer.
The sender will be notified of any material
received that does not meet the above
provisions. Such material will be held for 30
days from notification pending instructions. If a
reply is not received within 30 days, the material
will be returned to the sender at his expense
with no credit issued.
FIELDWAREHOUSES
Field Warehouses are currently located in
California, Georgia, Idaho, Iowa, and New
Jersey
PRICING, REBATES AND
SPECIFICATIONS
Every effort will be made to provide adequate
notice of changes; however, prices and
equipment specifications are subject to change
without notice.
SPECIAL EXPEDITING SERVICE
The higher of a $35.00 surcharge or actual
costs will be added to the invoice for special
handling, including bus shipments, or in cases
where STOW personnel must personally deliver
the equipment or parts to the carrier.
FREIGHT POLICY
Freight policy is established to offer customers
every advantage possible. Due to bulk freight
ratings on some equipment and other shipping
considerations, freight policies differ by
equipment type. Actual back freight may be
charged for shipments originating from other
than specified FOB warehouses. See Freight
Policy for details.
All STOW domestic sales are FOB nearest
available designated MQ/STOW warehouse.
Export orders are ex-works factory located in
Carson, CA or Boise, ID.
Price changes are effective on a specific date
and all orders received on or after that date will
be billed at the revised price.
RETURNED GOODS POLICY
Return shipments may be accepted and credit
allowed, subject to the following provisions.
Rebates for price reductions and added charges
for price increases will not be made for stock in
dealer inventory at the time of a price change.
1. A Returned Material Authorization (RMA)
must be approved by STOW prior to
shipment. Approvals for returned goods
must be with just cause and are at the
sole discretion of STOW. A copy of the
Authorization must accompany the shipment
to the designated Warehouse.
STOW reserves the right to quote and sell direct
to Government agencies and to Original
Equipment Manufacturer accounts who use our
products as integral parts of their own products.
Additions to orders already shipped cannot be
accepted for freight minimums.
LIMITATION OF SELLER’S LIABILITY
2. Parts being returned must be listed as
currently supplied on the current parts list.
STOW shall not be liable hereunder for damages
in excess of the purchase price of the item with
respect to which damages are claimed and in
no event shall STOW be liable for loss of profit
or good will or for any other special, consequential
or incidental damages.
Should STOW elect to make partial shipments
of an order originally complying with the “freight
allowed” requirements, transportation charges
will be absorbed by STOW on any subsequent
shipment applying to that order.
3. Parts must be in new and resalable condition
in the original package, with part numbers
clearly marked.
4. Units and accessories must be current
models in the latest price list and in new and
resalable condition.
All other orders will be shipped collect or prepaid
with charges added to the invoice. STOW’s
responsibility ceases when a signed manifest
has been obtained from the carrier, and any
claim for shortage or damage must be settled
between the consignee and the carrier.
LIMITATION OF WARRANTIES
There are no warranties, express or implied,
made by STOW. hereunder on Products
manufactured or distributed by it except the
warranty against defects in material and
workmanship on new Products to the original
purchaser, as set forth in the STOW New
Product Limited Warranty.
5. Special order items are not returnable for
credit.
6. Credit on returned parts and units will be
issued at actual dealer net price at time of
purchase less 15% restocking charge.
Parts: FOB Carson, California or Boise,
Idaho. See Freight Policy for details and
additional discounts.
7. All returned shipments are to be made to
the STOW designated receiving point,
freight prepaid at the sender’s expense.
STOW CONSTRUCTION EQUIPMENT
POST OFFICE BOX 6254
CARSON, CALIFORNIA 90749
310-661-4242 • 877-BUY-STOW
FAX:310-604-9237
E-MAIL: stow@stowmfg.com
Atlanta • Boise • Newark • Quebec, Canada
Manchester, UK • Rio de Janeiro, BR • Puebla, MX
PAGE 74 — STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL — REV. #2 (12/16/03)
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NOTE PAGE
STOW SDP-2 / SDP-3 DIAPHRAGM PUMP — PARTS MANUAL— REV. #2 (12/16/03) — PAGE 75
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OPERATION AND PARTS MANUAL
HERE'S HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL
NUMBER ON-HAND WHEN CALLING
PARTSDEPARTMENT
800-427-1244
310-537-3700
FAX: 800-672-7877
FAX: 310-637-3284
SERVICEDEPARTMENT
800-478-1244
310-537-3700
FAX: 310-537-4259
TECHNICALASSISTANCE
800-478-1244
FAX: 310-631-5032
WARRANTYDEPARTMENT
800-421-1244, EXT. 279 FAX: 310-537-1173
310-537-3700, EXT. 279
SALESDEPARTMENT
310-661-4242
FAX: 310-604-9237
877-289-7869 (877-BUY-STOW)
STOWCONSTRUCTIONEQUIPMENT
A DIVISION OF MULTIQUIP INC.
POST OFFICE BOX 6254
PARTS DEPARTMENT:
800-427-1244
FAX: 800-672-7877
SERVICE DEPARTMENT/TECHNICAL ASSISTANCE:
800-478-1244
CARSON, CA 90749
310-537-3700 • 888-252-STOW [888-252-7869]
FAX:310-537-1986 • FAX:800-556-1986
E-MAIL: stow@multiquip.com • WWW: stowmfg.com
FAX:310-631-5032
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