Multiquip Mtx80 User Manual

OPERATION AND PARTS MANUAL  
SERIES  
MODEL MTX80  
MODEL MTX90  
TAMPING RAMMER  
(ROBIN EH122D46530 GASOLINE ENGINE)  
Revision #9 (1/14/11)  
To find the latest revision of this  
publication, visit our website at:  
THIS MANUAL MUST ACCOMPANYTHE EQUIPMENT AT ALLTIMES.  
NOTES  
NOTES  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 3  
TABLE OF CONTENTS  
MTX80/MTX90  
Tamping Rammer  
ROBIN EH122D46530  
ENGINE  
Crankcase Assembly .........................................40-41  
Cylinder Head Assembly.................................... 42-43  
Crankshaft, Piston Assembly ............................. 44-45  
Camshaft Assembly ...........................................46-47  
Recoil Starter Assembly.....................................48-49  
Carburetor Assembly (MTX80: S/N T-4419 and Below;  
MTX90: S/N T-1341 and Below)......................... 50-51  
Carburetor Assembly (MTX80: S/N T-4420 and Above;  
MTX90: S/N T-1342 and Above) ........................52-53  
Air Cleaner Assembly.........................................54-55  
Muffler Assembly ...............................................56-57  
Governor Assembly ...........................................58-59  
Flywheel Ignition Assembly................................ 60-61  
Labels and Accessories .....................................62-63  
Proposition 65 Warning ........................................... 2  
Table Of Contents ................................................... 4  
Parts Ordering Procedures ..................................... 5  
Safety Information ................................................ 6-9  
General Information .............................................. 10  
Specifications ........................................................ 11  
Components.......................................................... 12  
Basic Engine ......................................................... 13  
Operation ......................................................... 14-16  
Maintenance ......................................................... 17  
Troubleshooting ............................................... 18-19  
Explanation Of Codes In Remarks Column .......... 20  
Suggested Spare Parts ......................................... 21  
Name Plate and Decals ................................... 22-23  
Crankcase and Engine Assembly .................... 24-27  
Guide Cylinder and Spring Assembly .............. 28-29  
Foot Assembly ................................................. 30-31  
Tank and Handle Assembly ............................. 32-35  
Combination Lever Assembly .......................... 36-37  
Tools ................................................................. 38-39  
Terms and Condition Of Sale  
Parts .................... 64  
NOTICE  
Specification and part number are subject to  
change without notice.  
PAGE 4 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
PARTS ORDERING PROCEDURES  
Ordering parts has never been easier!  
Choose from three easy options:  
Effective:  
January 1st, 2006  
Best Deal!  
Order via Internet (Dealers Only):  
Order parts on-line using Multiquip’s SmartEquip website!  
If you have an MQ Account, to obtain a Username  
and Password, E-mail us at: parts@multiquip.  
com.  
View Parts Diagrams  
Order Parts  
Print Specification Information  
To obtain an MQ Account, contact your  
District Sales Manager for more information.  
Use the internet and qualify for a 5% Discount  
on Standard orders for all orders which include  
complete part numbers.*  
to log in and save!  
Order Parts  
Note: Discounts Are Subject To Change  
Fax your order in and qualify for a 2% Discount  
on Standard orders for all orders which include  
complete part numbers.*  
Order via Fax (Dealers Only):  
All customers are welcome to order parts via Fax.  
Domestic (US) Customers dial:  
1-800-6-PARTS-7 (800-672-7877)  
Note: Discounts Are Subject To Change  
Domestic (US) Dealers Call:  
Order via Phone:  
1-800-427-1244  
Non-Dealer Customers:  
International Customers should contact  
their local Multiquip Representatives for  
Parts Ordering information.  
Contact your local Multiquip Dealer for  
parts or call 800-427-1244 for help in  
locating a dealer near you.  
When ordering parts, please supply:  
Dealer Account Number  
Specify Preferred Method of Shipment:  
Dealer Name and Address  
UPS/Fed Ex  
DHL  
Truck  
Priority One  
Ground  
Shipping Address (if different than billing address)  
Return Fax Number  
Next Day  
Second/Third Day  
Applicable Model Number  
Quantity, Part Number and Description of Each Part  
NOTICE  
All orders are treated as Standard Orders and will  
ship the same day if received prior to 3PM PST.  
WE ACCEPT ALL MAJOR CREDIT CARDS!  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 5  
SAFETY INFORMATION  
Do not operate or service the equipment before reading  
the entire manual. 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.  
Potential hazards associated with the operation of this  
equipment will be referenced with hazard symbols which  
may appear throughout this manual in conjunction with  
safety messages.  
SAFETY MESSAGES  
The four 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 four words:  
DANGER,WARNING, CAUTION or NOTICE.  
SAFETY SYMBOLS  
DANGER  
Indicates a hazardous situation which, if not avoided,  
WILL result in DEATH or SERIOUS INJURY.  
WARNING  
Indicates a hazardous situation which, if not avoided,  
COULD result in DEATH or SERIOUS INJURY.  
CAUTION  
Indicates a hazardous situation which, if not avoided,  
COULD result in MINOR or MODERATE INJURY.  
NOTICE  
Addresses practices not related to personal injury.  
PAGE 6 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
SAFETY INFORMATION  
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.  
GENERAL SAFETY  
CAUTION  
NEVER operate this equipment without proper protective  
clothing, shatterproof glasses, respiratory protection,  
hearing protection, steel-toed boots and other protective  
devices required by the job or city and state regulations.  
RAMMER SAFETY  
DANGER  
NEVER operate the equipment in an explosive  
atmosphere or near combustible materials.An  
explosion or fire could result causing severe  
bodily harm or even death.  
NEVER operate this equipment when not  
feeling well due to fatigue, illness or when  
under medication.  
NEVER operate this equipment under the influence of  
drugs or alcohol.  
WARNING  
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 check the equipment for loosened threads or  
bolts before starting.  
DO NOT use this machine on ground that is harder than  
the machine can handle, or for driving pilings or tamping  
rock beds. Furthermore, use of the machine on sloping  
ground, such as the side of an embankment, may make  
the machine unstable and can cause an accident. It can  
also result in premature machine wear due to uneven  
loads on the machine.  
DO NOT use the equipment for any purpose other than  
its intended purposes or applications.  
NOTICE  
This equipment should only be operated by trained and  
qualified personnel 18 years of age and older.  
Whenever necessary, replace nameplate, operation and  
safety decals when they become difficult read.  
Use the machine with confidence for tamping earth and  
sand, soil, gravel, and asphalt.DO NOT use the machine  
for other types of jobs.  
Manufacturer does not assume responsibility for any  
accident due to equipment modifications. Unauthorized  
equipment modification will void all warranties.  
CAUTION  
NEVER lubricate components or attempt service on a  
running machine.  
NEVER use accessories or attachments that are not  
recommended by Multiquip for this equipment. Damage  
to the equipment and/or injury to user may result.  
NOTICE  
ALWAYS keep the machine in proper running condition.  
ALWAYS know the location of the nearest  
fire extinguisher.  
Fix damage to machine and replace any broken parts  
immediately.  
ALWAYS know the location of the nearest  
first aid kit.  
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 and unauthorized personnel.  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 7  
SAFETY INFORMATION  
ENGINE SAFETY  
DANGER  
FUEL SAFETY  
DANGER  
The engine fuel exhaust gases contain poisonous carbon  
monoxide. This gas is colorless and odorless, and can  
cause death if inhaled.  
DO NOT add fuel to equipment if it is placed inside truck  
bed with plastic liner. Possibility exists of explosion or  
fire due to static electricity.  
The engine of this equipment  
requires an adequate free flow  
of cooling air.NEVER operate  
this equipment in any enclosed  
or narrow area where free flow  
of the air is restricted.If the air  
flow is restricted it will cause  
injury to people and property  
and serious damage to the  
equipment or engine.  
WARNING  
DO NOT place hands or fingers inside engine  
compartment when engine is running.  
NEVER operate the engine with heat shields or  
guards removed.  
DO NOT start the engine near spilled fuel or combustible  
fluids. Fuel is extremely flammable and its vapors can  
cause an explosion if ignited.  
DO NOT remove the engine oil drain plug  
while the engine is hot. Hot oil will gush  
out of the oil tank and severely scald any  
persons in the general area of the rammer.  
ALWAYS refuel in a well-ventilated area, away from  
sparks and open flames.  
ALWAYS use extreme caution when working with  
flammable liquids.  
CAUTION  
NEVER touch the hot exhaust manifold,  
muffler or cylinder.Allow these parts to cool  
before servicing equipment.  
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.  
NOTICE  
NEVER run engine without an air filter or with a dirty air  
filter.Severe engine damage may occur.Service air filter  
frequently to prevent engine malfunction.  
Store fuel in appropriate containers, in well-ventilated  
areas and away from sparks and flames.  
NEVER tamper with the factory settings  
of the engine or engine governor. Damage  
to the engine or equipment can result  
if operating in speed ranges above the  
maximum allowable.  
NEVER use fuel as a cleaning agent.  
DO NOT smoke around or near the  
equipment. Fire or explosion could result  
from fuel vapors or if fuel is spilled on a  
hot engine.  
PAGE 8 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
SAFETY INFORMATION  
TRANSPORTING SAFETY  
CAUTION  
NEVER allow any person or animal to stand underneath  
the equipment while lifting.  
NOTICE  
Before lifting, make sure that the equipment parts (hook  
and vibration insulator) are not damaged and screws are  
not loose or missing.  
Always make sure crane or lifting device has been  
properly secured to the lifting bail (hook) of the  
equipment.  
ALWAYS shutdown engine before transporting.  
NEVER lift the equipment while the engine is running.  
Tighten fuel tank cap securely and close fuel cock to  
prevent fuel from spilling.  
Use adequate lifting cable (wire or rope) of sufficient  
strength.  
Use one point suspension hook and lift straight  
upwards.  
DO NOT lift machine to unnecessary heights.  
ALWAYS tie down equipment during transport by  
securing the equipment with rope.  
Never allow any person or animal to stand underneath the  
equipment while lifting.  
ENVIRONMENTAL SAFETY  
NOTICE  
Dispose of hazardous waste properly.  
Examples of potentially hazardous waste  
are used motor oil, fuel and fuel filters.  
DO NOT use food or plastic containers to dispose of  
hazardous waste.  
DO NOT pour waste, oil or fuel directly onto the ground,  
down a drain or into any water source.  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 9  
GENERAL INFORMATION  
Definition of Tamping Rammer  
Handle Operation  
The Mikasa MTX80/MTX90 tamping rammer is a powerful  
compacting tool capable of applying a tremendous force in  
consecutive impacts to a soil surface. Its applications include  
soil compacting for road, embankments and reservoirs as  
well as backfilling for gas pipelines, water pipelines and cable  
installation work.  
CAUTION  
Before starting operation check the lifting  
handle to:  
The impact force of the MTX80/MTX90 levels and uniformly  
compacts voids between soil particles to increase dry density.  
1. Make sure that there is no damage on the bolts.  
2. Make sure that there is no crack or breakage on handle.  
Circular motion is converted to create impact force. The  
MTX80/MTX90 tamping rammer develops a powerful  
compacting force at the foot of the rammer. To maintain  
optimum performance, proper operation and service are  
essential.  
3. Make sure that there is no fissure on the surface. If there  
is any abnormality or damage, replace with new one.  
For operation:  
This handle is to be used to lift up the shoe part of the machine  
with the body laid down on the ground or truck bed.  
Construction of Tamping Rammer  
The Mikasa MTX80/MTX90 is equipped with an air cooled,  
four- cycle gasoline engine.Transmission of the power takes  
place by increasing the engine speed to engage the  
centrifugal clutch.  
1. Use proper lifting techniques to avoid back injury. This  
handle is for manual lifting only.  
2. Do not use this handle as a rammer lift point. Use the  
lifting point on the top of the machine.  
Rammer Gearbox and Spring Cylinder  
3. Do not move the rammer with the lifting handle and the  
front rollers more than 16 feet (5 meters).  
The Mikasa MTX80/MTX90 uses an oil bath lubrication  
system. Always check the oil level through the oil level sight  
glass at the rear of the tamper foot.  
Controls  
Before starting the MTX80/MTX90 Tamping Rammer identify  
and understand the function of the controls.  
PAGE 10 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
SPECIFICATIONS  
Table 1. MTX80/MTX90 Rammer Specifications  
Model  
Overall Height  
MTX-80  
MTX-90  
39.37 in. (1000 mm)  
14.37 in (365 mm)  
31.02 in (788 mm)  
13.4 x 11.2 in (340 x 285 mm)  
3.2 qt. (3 liters)  
39.37 in. (1000 mm)  
14.37 in (365 mm)  
Overall Width  
Over Length  
31.02 in (788 mm)  
13.4 x 11.2 in (340 x 285 mm)  
3.2 qt. (3 liters)  
Shoe Size  
Fuel Tank Capacity  
Lubrication Oil Capacity  
No. of Impacts Per Second  
Impact Force  
0.8 quart (0.75 liter)  
10.6 - 11.3  
0.8 quart (0.75 liter)  
11.0 - 11.6  
3,080 lb (13.7 kN)  
2 - 3.15 in (50 - 80 mm)  
183 lbs. (83 kg)  
3,530 lb (15.7 kN)  
2 - 3.15 in (50 - 80 mm)  
196 lbs. (89 kg)  
Impact Plate Stroke  
Operating Weight  
Speed Setting  
3400-3600 rpm  
3500-3700 rpm  
Measured Sound Power Level  
105 dB  
105 dB  
Guaranteed Sound Power  
Level  
107 dB  
95 dB  
107 dB  
97 dB  
Max. Sound Pressure Level  
Table 2. Engine Specifications  
Model  
Robin EH122D46530 Engine  
Air-Cooled 4 Stroke, OHV,  
single cylinder gasoline engine  
Type  
Piston Displacement  
7.4 cu.in. (121 cc)  
3.5 hp/3,600 rpm (2.6 KW)  
Air-Cooled  
Max. Output  
Cooling System  
Engine Oil Capacity  
Fuel  
0.42 qt. (0.4 liter)  
Unleaded gasoline  
Automobile Oil; Class SE or higher  
Recoil Starter  
Lubricant for Engine  
Starting System  
Spark Plug Type  
NGK BR6ES  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 11  
COMPONENTS  
3
2
4
10  
5
1
9
6
11  
12  
7
8
13  
Figure 1. MTX80/MTX90 Rammer  
Figure 1 shows the location of the controls and components  
for the MTX80/MTX90 Tamping Rammer. The functions of  
each control is described below:  
1. Combination(Throttle)Lever – Usedtoadjustengine  
speed (rpm). Move lever forward (SLOW) to reduce  
engine speed, move lever back toward operator (FAST)  
toincrease speed.Alwaysoperatetherammeratfullspeed  
(rpm).  
4. Hook – Used to lift rammer for transporting.  
5. Air Cleaner Cover – Protects the air cleaner which  
prevents dirt and other debris from entering the engine.  
6. Roller – Used for loading the rammer in back end of a  
truck. Rammer is brought to tail gate roller side toward  
thetruckbedanddriverliftsrollerwithhandleatbaseand  
rolls the unit into truck bed.  
2. Handle – To operate rammer, GRIP handle assembly  
firmly on both sides.  
3. Fuel Tank Cap Remove this cap to add unleaded  
gasoline to the fuel tank. Make sure cap is tightened  
securely. DO NOT over fill.  
7. Bellows – Reservoir for oil bath.  
8. Foot Laminated wood with tempered steel plate for  
superior shock absorption.  
9. FuelTank Holds the fuel for the unit (up to 3.2 quarts)  
WARNING  
10. Mufflerreducesthenoiseoftheenginewhenrunning.  
Add fuel to the tank only when the engine is  
stopped and has cooled 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.  
11. EnginethisunitusesaRobinEH122D46530gasoline  
engine.  
12. Oil Gauge (Sight Glass) Indicates the level of oil in the  
oil bath reservoir.  
13. Drain Valve – Open this valve to remove oil from the  
bellows.  
PAGE 12 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
BASIC ENGINE  
Figure 2. Engine Controls and Components  
(Robin EH-12-2D)  
The engine (Figure 2) must be checked for proper lubrication 4. Muffler Used to reduce noise and emissions.  
and filled with fuel prior to operation. Refer to the manufacturer's  
Engine manual for instructions & details of operation and  
servicing.  
5. Recoil Starter (pull rope) – Manual-starting method.  
Pull the starter grip until resistance is felt, then pull  
briskly and smoothly.  
1. Secondary Air Cleaner – Prevents dirt and other debris  
6. Engine ON/OFF Switch – Controls the starting and  
from entering the fuel system. Remove wing-nut on top  
of air filter cannister to gain access to filter element.  
position when starting the engine.  
stopping of the engine. Switch must be in the "ON"  
2. Choke Lever – Used when starting the engine.Normally  
used in cold weather conditions. In cold weather turn  
the choke lever to the fully closed position, in warm  
weather set choke lever half way or completely open.  
WARNING  
Engine components can generate extreme  
3. Spark Plug – Provides spark to the ignition system.  
Set spark plug gap to 0.024 - 0.028 inch (0.6 - 0.7 mm).  
Clean spark plug once a week.  
heat.To prevent burns, DO NOTtouch these  
areas while the engine is running or  
immediatelyafteroperating. NEVERoperate  
the engine with the muffler removed.  
NOTICE  
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.  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 13  
OPERATION  
Engine  
This section is intended to assist the operator with the initial  
start-up of the MTX80/MTX90Tamping Rammer.It extremely  
important that this section be read carefully before attempting  
to operate the rammer.  
1. Fill the fuel tank (Figure 4) with unleaded gasoline. At the  
same time, check the engine oil and make it a habit to  
replenish it often (Figure 5).  
DO NOT use your rammer until this section is thoroughly  
understood.  
FUEL  
TANK  
CAUTION  
Failure to understand the operation of the MTX80/MTX90  
Tamping Rammer could result in severe damage to the  
unit or personal injury.  
Rammer Crankcase and Spring Cylinder Oil Bath  
This unit uses an oil bath lubrication system.Perform the following:  
Figure 4. Fuel Tank  
1. Checktheoillevelthroughtheoillevelsightglass(Figure3)  
at the rear of the tamper foot.  
OIL LEVEL  
DIPSTICK  
OIL FILL PLUG  
SIGHT GLASS  
OIL DRAIN PLUG  
Figure 5. Engine Oil Dipstick  
2. Check the engine oil level and if the engine oil level is low,  
it should be refilled. Low levels of oil may result in engine  
seizure. Use the proper motor oil as suggested in theTable  
3 below.  
Figure 3. Foot Housing Sight Glass  
2. Ifoilisnotvisible,add10W-30SE,SForhighergrademotor  
oil into the oil fill plug opening (Figure 3).The bath contains  
approximately 1.7 pints (800 cc.)  
Table 3 Motor Oil Grade  
Grade of motor oil  
Season or Temperature  
(higher than MS class)  
NOTICE  
Spring, Summer or Autumn  
SAE 30  
The oil level should be kept at the half way point of the sight  
glass.  
+120° F to +15° F  
Winter  
SAE 30  
+40° F to +15° F  
Below +15° F  
SAE 10W-30  
PAGE 14 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
OPERATION  
Inspection  
NOTICE  
1. Check all nuts, bolts fasteners for tightness. Retighten as  
necessary.  
DO NOT press the primer pump bulb more than four  
(4) times, as this will cause fuel to flood the carburetor.  
2. Clean anydirtfromtherecoil starterand footpedestal. Wipe  
the entire unit clean before operating.  
3. ReplaceanymissingordamagedSafetyOperationdecals.  
3. Placethechokelevertotheclosedposition(Figure7).When  
theweatheriscold,closethechokealltheway.Whenitishot,  
or if the engine is hot, open the choke a little or leave it fully  
open.  
4. Adjustheightofhandle.Adjusthandlebylooseningnutsand  
moving handle to suit operation. Retighten nuts.  
Initial Start-up  
When starting the MTX80/MTX90 Tamping Rammer perform  
the following:  
CHOKE LEVER  
(CLOSED POSITION)  
1. Slidethethrottleleverfromthestoptotheidleposition(  
)
(Figure6).Thisopensthefuelcockandtheengineelectrical  
circuit is turned on automatically.  
Figure 7. Choke Lever  
THROTTLE LEVER  
(IDLE POSITION)  
4. Grip the starter rope handle (Figure 8) and pull it until you  
feelaslightresistance.Thenpullsharplyandquickly.Return  
the handle to the starter case before releasing.  
Figure 6-A. Throttle Lever (Idle {Position)  
2. Units with Carburetor Primer System: Push the  
primer pump bulb four (4) times to deliver fuel to the  
carburetor (Figure 5-B).  
STARTER  
ROPE  
Figure 8. Recoil Starter  
5. Ifenginefailstostart,movethechokelever tothehalfopen  
position to avoid flooding.  
6. Repeat steps 1 thru 5.  
7. If the engine does not start after repeated attempts,  
check thesparkplug for excess fuel. Clean and replace  
the spark plug as needed.  
Figure 6-B. Primer Pump  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 15  
OPERATION  
Operation  
Stopping The Engine  
Normal Shutdown  
1. To start the rammer tamping action, move the throttle lever  
(Figure 9) quickly from IDLE to the START ( ) position.  
DO NOT move the throttle lever slowly as this may cause  
damage to the clutch or spring.  
1. MovethrottleleverquicklyfromtheSTARTtoIDLEposition  
(Figure10)andruntheengineforthreeminutesatlowspeed.  
Aftertheenginecools, movethethrottlelevertotheSTOP  
position (Figure 11).The engine will stop and the fuel cock  
isautomaticallyclosed.  
THROTTLE LEVER  
(START POSITION)  
THROTTLE LEVER  
(STOP POSITION)  
Figure 9. Throttle Lever (Start Position)  
CAUTION  
Make sure that the throttle lever is moved to the FULL START  
position. Operating the rammer at less than full speeds can  
result in damage to the clutch springs or foot.  
Figure 11. Throttle Lever (Stop Position)  
2. If the engine does not stop due to a problem with the switch  
orthelike, movethemachinetoasafelocationandholdthe  
throttlelever inthestopposition.Letthemachinerunonidle  
and the machine will stop after a few minutes.  
2. The MTX80/MTX90 tamping rammer is designed to run at  
3,600/3700 rpm. At optimum rpm the foot hits at the rate  
between590~695impacts per minute. Increasing throttle  
speed past factory set rpm does not increase impacts and  
may damage unit. The MTX80/MTX90 is designed to ad-  
vancewhile tamping. For faster advance, pull back slightly  
on the handle so that rear of foot contacts soilfirst.  
3. To stop the tamping action, move throttle lever quickly from  
START to IDLE position (Figure 10).  
THROTTLE LEVER  
(IDLE POSITION)  
Figure 10. Throttle Lever (Idle Position)  
PAGE 16 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
MAINTENANCE  
EVERY200HOURS  
Maintenance  
Remove the oil drain plug on foot housing (Figure 14) and  
drain the oil. Refill with approximately 1.7 pt. (800 cc.) of  
10W-30 SE, SF or higher grade motor oil. Oil should be  
midway in sight glass. Break in oil should be changed after  
first 50 hours.  
Performthescheduledmaintenanceproceduresasindicated:  
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.  
OIL FILL PLUG  
SIGHT GLASS  
Check the spring box and bellows for oil leaks. Repair or  
replace as needed.  
OIL DRAIN PLUG  
EVERY50HOURS  
Remove the fuel filter cap and clean the inside of the fuel  
tank (Figure 12).  
Figure 14. Oil Drain Plug  
EVERY2YEARS  
Replace the fuel line every 250 hours or every 2 years even  
if there is no visible damage.  
Long Term Storage  
FUEL FILTER  
Slide the throttle lever to the STOP position.  
Drain any fuel including in the fuel hose.  
Replace lubrication oil and apply grease to lubrication  
points.  
Figure 12. Fuel Filter  
Remove and clean the spark plug, then adjust the spark gap  
to 0.024~0.028 inch (0.6~0.7 mm).  
Cover the air intake on the air cleaner and the exhaust outlet  
on the muffler.  
EVERY 80 to 100 HOURS  
Store unit indoors covered with plastic sheet in moisture  
free and dust free location out of direct sunlight.  
Remove the air cleaner cover. Loosen and remove the 2  
screws that hold the cover to the air cleaner assembly. If the  
primary element (Figure 13) is dirty, wash it with gasoline or  
kerosene.Then dip it in engine oil (SAE10W-30) and wring  
the element so that 25 to 30 cc of engine oil remains on the  
element.  
PRIMARY  
ELEMENT  
Figure 13. Air Cleaner Primary Element  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 17  
TROUBLESHOOTING  
TABLE 4. ENGINE TROUBLESHOOTING  
POSSIBLE PROBLEM  
SYMPTOM  
Difficult to start  
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.  
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 (compressionlow).  
Spark plug loose?  
Tighen spark plug.  
Low compression.  
Incorrect valve adjustment?  
Check and adjust valves.  
Operation not satisfactory  
Air cleaner clogged?  
Air in fuel line?  
Clean or replace air cleaner.  
Not enough power available  
(compression normal, no miss-  
firing).  
Bleed (remove air) from fuel line.  
Clean or replace cylinder  
Carbon deposits in cylinder?  
Ignition coil defective?  
Ignition plug often shorts?  
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).  
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.  
Incorrect engine RPM? Check and adjust engine RPM to 3400-3600 RPM.  
Engine high speed incorrect.  
PAGE 18 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
TROUBLESHOOTING  
TABLE 4. 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 5. RAMMER TROUBLESHOOTING  
POSSIBLE PROBLEM  
SYMPTOM  
SOLUTION  
Operating speed of throttle lever Set throttle lever to correct position.  
is incorrectly set?  
Oil in excess?  
Drain excess oil. Bring to correct level.  
Replace or adjust clutch.  
Clutch slips?  
Engine runs but rammer jumps  
erratically or not at all..  
Spring Failure?  
Replace sprial spring.  
Speed of engine improper?  
Soil over-compacted?  
Adjust engine speed to correct operating RPM setting.  
Shut-down machine and test soil.  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 19  
EXPLANATION OF CODES IN REMARKS COLUMN  
The following section explains the different symbols and  
QTY. Column  
remarks used in the Parts section of this manual. Use the  
help numbers found on the back page of the manual if there  
are any questions.  
Numbers Used — Item quantity can be indicated by a  
number, a blank entry, or A/R.  
A/R (As Required) is generally used for hoses or other  
parts that are sold in bulk and cut to length.  
NOTICE  
The contents and part numbers listed in the parts  
section are subject to change without notice.Multiquip  
does not guarantee the availability of the parts listed.  
A blank entry generally indicates that the item is not sold  
separately.Other entries will be clarified in theRemarks”  
Column.  
SAMPLE PARTS LIST  
REMARKS Column  
NO. PART NO. PART NAME  
QTY. REMARKS  
Some of the most common notes found in the “Remarks”  
Column are listed below. Other additional notes needed  
to describe the item can also be shown.  
1
2%  
12345  
BOLT......................1 .....INCLUDES ITEMS W/%  
WASHER, 1/4 IN............NOT SOLD SEPARATELY  
WASHER, 3/8 IN....1 .....MQ-45T ONLY  
2% 12347  
3
4
12348  
12349  
HOSE ..................A/R ...MAKE LOCALLY  
BEARING ..............1 .....S/N 2345B AND ABOVE  
Assembly/Kit — All items on the parts list with the  
same unique symbol will be included when this item is  
purchased.  
NO. Column  
Indicated by:  
Unique Symbols — All items with same unique  
symbol  
“INCLUDES ITEMS W/(unique symbol)”  
(@, #, +, %, or >) in the number column belong to the  
same assembly or kit, which is indicated by a note in the  
“Remarks” column.  
Serial Number Break — Used to list an effective serial  
number range where a particular part is used.  
Indicated by:  
Duplicate Item Numbers — Duplicate numbers indicate  
multiple part numbers, which are in effect for the same  
general item, such as different size saw blade guards in  
use or a part that has been updated on newer versions  
of the same machine.  
“S/N XXXXX AND BELOW”  
“S/N XXXX AND ABOVE”  
“S/N XXXX TO S/N XXX”  
Specific Model Number Use — Indicates that the part  
is used only with the specific model number or model  
number variant listed. It can also be used to show a  
part is NOT used on a specific model or model number  
variant.  
NOTICE  
When ordering a part that has more than one item  
number listed, check the remarks column for help in  
determining the proper part to order.  
Indicated by:  
“XXXXX ONLY”  
“NOT USED ON XXXX”  
PART NO. Column  
Numbers Used — Part numbers can be indicated by a  
number, a blank entry, or TBD.  
“Make/Obtain Locally” — Indicates that the part can  
be purchased at any hardware shop or made out of  
available items.Examples include battery cables, shims,  
and certain washers and nuts.  
TBD (To Be Determined) is generally used to show a  
part that has not been assigned a formal part number  
at the time of publication.  
“Not Sold Separately— Indicates that an item cannot  
be purchased as a separate item and is either part of an  
assembly/kit that can be purchased, or is not available  
for sale through Multiquip.  
A blank entry generally indicates that the item is not sold  
separately or is not sold by Multiquip. Other entries will  
be clarified in the “Remarks” Column.  
PAGE 20 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
SUGGESTED SPARE PARTS  
MTX80/MTX90 RAMMER 1 TO 3 UNITS  
WITH ROBIN EH122D46530 ENGINE  
Qty.  
P/N  
Description  
1 ......... 956100063 ....... THROTTLEWIRE  
3 ......... 366010070 ....... PRIMARY ELEMENT, AIR CLEANER  
3 ......... 366010080 ....... SECONDARY ELEMENT, AIR CLEANER  
1 ......... 366900020 ....... CAP, FUEL TANK W/ STRAP  
2 ......... 26365012A3 .... FILTER, IN-LINE FUEL  
3 ......... 0650140580 ..... SPARK PLUG  
1 ......... 959300770 ....... STRAINER, FUEL TANK  
1 ......... 2825011118 ..... ROPE, RECOIL STARTER  
NOTICE  
Part numbers on this Suggested Spare Parts List may  
supersede/replace the P/N shown in the text pages of  
this book.  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 21  
NAMEPLATE AND DECALS  
1
4
7
NPA-0000  
?
?
?
?
?
?
?
NPA-1245  
2
3
5
STOP  
NPA-0000  
NPA-0000  
6
11  
MODEL  
SERIAL NO.  
A (DECAL SET)  
8
MTX  
series  
RAMMER  
quick manual  
Engine Oil  
Use SAE 10W/30,SE or higher grade motor oil  
RAMMING CYLINDER OIL  
Use SAE 10W/30,SF or higher grade moter oil  
Fuel  
Use normal quality gasoline  
PAGE 22 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
NAMEPLATE AND DECALS  
NO  
A
PART NO  
PART NAME  
QTY.  
REMARKS  
920900040  
DECAL SET .....................................1.......... INCLUDES ITEMS W/ #  
1#  
2#  
3#  
4#  
5#  
6#  
7#  
8
DECAL:OPERATION  
1
1
1
1
1
1
1
1
DECAL: AIR CLEANER  
DECAL: LEVER OPERATION  
DECAL: MAX SPEED  
DECAL: MACHINE STOP  
DECAL: EC NOISE REQ  
DECAL: ANTI-VIB HANDLE  
QUICK MANUAL  
920212540  
11  
DECAL: NAMEPLATE ...................... 1.......... CONTACT MQ PARTS DEPT W/ SERIAL NO.  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 23  
CRANKCASE AND ENGINE ASSY.  
46  
43  
47  
44  
44  
47  
35-4  
35-3  
35-2  
75-1  
75-2  
75-3  
35-1  
35  
35-7  
35-9  
35-8  
70  
74  
73  
39  
111  
80  
40-1  
78  
82  
35-5  
40-2  
40-3  
79  
37  
36  
37  
55-1  
55-2  
OLD  
59  
52  
STYLE  
CLUTCH  
31-1  
31-2  
38  
22  
NEW  
STYLE  
CLUTCH  
41-2  
41-1  
48  
22  
53  
54  
49  
65  
63  
64  
34  
33  
77  
49  
65  
63  
64  
55-2  
55-1  
23  
24-2  
32  
30  
48  
24-1  
27  
68  
67  
61  
58  
45  
26  
57  
25  
4
51  
60  
56  
A
56  
1
59  
53  
54  
28-2  
28-1  
62  
66  
16  
15  
8
13  
55-2  
55-1  
A
101  
10  
9
11  
5
3
7
6
18  
106  
14  
12  
19  
81  
20  
PAGE 24 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
CRANKCASE AND ENGINE ASSY.  
NO.  
1
PART NO.  
366118940  
041006007  
367345180  
060404010  
080200350  
080100620  
040006207  
040006305  
080100720  
080200350  
080200250  
366345230  
040006304  
080100520  
080200200  
047940060  
050710080  
001520825  
366346210  
PART NAME  
QTY.  
1
REMARKS  
CRANK CASE  
3
BEARING 6007Z  
PINION, DRUM  
OIL SEALTC-40528  
STOP RING S-35  
STOP RING R-62  
BEARING 6207  
1
4
1
5
1
6
1
7
1
8
1
9
BEARING 6305  
1
10  
11  
12  
13  
14  
15  
16  
18  
19  
20  
22  
STOP RING R-72  
STOP RING S-35  
STOP RING S-25  
CONNECTING ROD  
BEARING 6304  
1
1
1
1
1
STOP RING R-52  
STOP RING S-20  
NEEDLE BEARING FJ-1816  
O-RING AS568-267  
SOCKET HEAD BOLT 8X25 T  
CLUTCH ASSY ....................................... 1 ......... MTX80: S/N S-3939 AND BELOW  
............................................................................. MTX90: S/N S-1298 AND BELOW  
CLUTCH ASSY ....................................... 1 ......... MTX80:S/N S-3940 AND ABOVE  
............................................................................. MTX90:S/N S-1299 AND ABOVE  
WASHER 8.5X22X3  
BOLT 8X25T  
WASHER, LOCK M8  
FLANGE, ENGINE  
FLANGE BOLT 8X30  
FLANGE NUT M10 H  
BOLT 10X70T  
WASHER, LOCK M10  
BRACKET, SHOCK ABSORBER  
BOLT 10X30 H  
WASHER, LOCK M10  
STOPPER RUBBER ( 70 )  
WASHER, LOCK M8  
NUT M8  
AIR CLEANER ASSY ............................... 1 ......... INCLUDES ITEMSW/ #  
AIR CLEANER COVER  
WASHER, FLAT M6  
WASHER, LOCK M6  
COIN BOLT M6  
BASE CP, AIR CLEANER  
PRIMARY ELEMENT CP  
SECONDARY ELEMENT  
GRIP BOLT CP, AIR CLEANER  
PIPE, INTAKE  
CYCLONE CLAMP (CY-1) 38  
SEALING FORM, UNDER  
SEALING FORM, SIDE  
1
1
1
1
8
22  
366348550  
23  
952401450  
001220825  
030208200  
367217260  
001710830  
022611010  
001221054  
030210250  
366346280  
001211030  
030210250  
939010270  
030208200  
020308060  
366900010  
366010010  
366010020  
366010030  
366010040  
366010050  
366010070  
366010080  
362030040  
367217460  
954407682  
366460160  
366460150  
1
1
1
1
4
2
2
2
1
4
4
1
1
1
24-1  
24-2  
25  
26  
27  
28-1  
28-2  
30  
31-1  
31-2  
32  
33  
34  
35  
35-1#  
35-2#  
35-3#  
35-4#  
35-5#  
35-7#  
35-8#  
35-9#  
36  
1
2
2
2
1
1
1
1
1
2
1
1
37  
38  
39  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 25  
CRANKCASE AND ENGINE ASSY.  
46  
43  
47  
44  
44  
47  
35-4  
35-3  
35-2  
75-1  
75-2  
75-3  
35-1  
35  
35-7  
35-9  
35-8  
70  
74  
73  
39  
111  
80  
40-1  
40-2  
40-3  
78  
82  
35-5  
79  
37  
36  
37  
55-1  
55-2  
OLD  
59  
52  
STYLE  
CLUTCH  
31-1  
31-2  
38  
22  
NEW  
STYLE  
CLUTCH  
41-2  
41-1  
48  
22  
53  
54  
49  
65  
63  
64  
34  
33  
77  
49  
65  
63  
64  
55-2  
55-1  
23  
24-2  
32  
30  
48  
24-1  
27  
68  
67  
61  
58  
45  
26  
57  
25  
4
51  
60  
56  
A
56  
1
59  
53  
54  
28-2  
28-1  
62  
66  
16  
15  
8
13  
55-2  
55-1  
A
101  
10  
9
11  
5
3
7
6
18  
106  
14  
12  
19  
81  
20  
PAGE 26 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
CRANKCASE AND ENGINE ASSY.  
CONTINUED  
NO.  
40-1  
40-2  
40-3  
41-1  
41-2  
43  
44  
45  
46  
47  
48  
49  
51  
52  
53  
54  
55-1  
55-2  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
PART NO.  
001220851  
030208200  
031108160  
001210815  
030208200  
366217340  
366460140  
366217350  
366345980  
050200060  
009110040  
959407670  
367118990  
367119000  
022910260  
366460170  
001520820  
031108160  
009110038  
367217490  
009110039  
022910250  
367119010  
367346290  
009110042  
030208200  
031108160  
020308060  
009110043  
001520820  
030208200  
366900042  
956100063  
001220620  
030206150  
031106100  
020306050  
959006120  
367460120  
2067550101  
959021810  
454010020  
954010280  
367345200  
366010120  
366010121  
366010130  
366010131  
911211217  
PART NAME  
BOLT 8X55 T  
QTY.  
2
2
2
2
2
1
2
1
2
2
4
4
1
1
2
2
4
4
2
1
4
4
1
1
2
4
4
4
2
2
2
REMARKS  
WASHER, LOCK M8  
WASHER, FLAT M8  
BOLT 8X15 H  
WASHER, LOCK M8  
COVER, CLEANER ASSY (UPPER)  
RUBBER BUSH (10X16X17)  
COVER, CLEANER ASSY (UNDER)  
KNOB, CLEANER COVER  
O-RING P6  
FLANGE BOLT 8X20  
SQUARE NUT M8  
GUARD, LINK  
GUARD, MUFFLER  
WELL NUT M8  
FLANGE COLLAR 8  
SOCKET HEAD BOLT 8X20 T  
WASHER, FLAT M8  
SOCKET HEAD BOLT 8X30 ZN  
EX BAR  
SOCKET HEAD BOLT 6X25 ZN  
WELL NUT M6  
GUARD, ENGINE  
SUPPORT, ENGINE  
S.H.BOLT8X45 WHOLETHREAD  
WASHER, LOCK M8  
WASHER, FLAT M8  
NUT M8  
SOCKET HEAD BOLT 8X40 ZN  
SOCKET HEAD BOLT 8X20 T  
WASHER, LOCK M8  
70  
COMBINATION LEVER ASSYW/ WIRE ........ 1 ......... INCLUDES ITEMS W/@  
THROTTLE WIRE  
BOLT 6X20 T  
74@  
75-1  
75-2  
75-3  
76  
77  
78  
79  
80  
81  
82  
101  
106  
106  
106  
106  
111  
1
2
2
2
2
1
1
1
1
5
1
1
WASHER, LOCK M6  
WASHER, FLAT M6  
NUT M6  
CLIP (TCP2-10509B)  
WIRE HARNESS  
CLAMP COMPL  
SPIRALTUBE KEP6/L=500  
CLAMP TC-100  
CLIP AB-4N  
CRANK GEAR  
FRONT COVER ............................................. 1 ......... FOR MTX80, S/N S-3939 AND BELOW  
FRONT COVER ............................................. 1 ......... FOR MTX80, S/N S-3940 AND ABOVE  
FRONT COVER ............................................. 1 ......... FOR MTX90, S/N S-1298 AND BELOW  
FRONT COVER ............................................. 1 ......... FOR MTX90, S/N S-1299 AND ABOVE  
ENGINE ASSY, EH122D46530  
1
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 27  
GUIDE CYLINDER AND SPRING ASSY.  
32  
1
2
20  
22  
3
9
21  
12  
24  
27  
8
17  
14  
18  
28  
26  
25  
29  
13  
15  
16  
23  
29  
9
27  
28  
25  
26  
7
24  
31  
30  
4
6
5-2  
51  
52  
5-1  
53  
PAGE 28 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
GUIDE CYLINDER AND SPRING ASSY.  
NO.  
1
PART NO.  
366460100  
366459910  
366346000  
371459690  
001221230  
030212300  
952404790  
355447260  
366459900  
366459730  
366345990  
366217210  
050100900  
001521020  
001521040  
953405270  
953405260  
366217440  
367217450  
050710070  
002211035  
002211045  
354010010  
050931500  
354336352  
354442340  
001220840  
020308060  
354446170  
953405270  
953405260  
050200950  
366118590  
366460300  
953404670  
PART NAME  
QTY.  
1
REMARKS  
PISTON PIN  
2
PLUG, PISTON PIN  
PISTON ROD  
PISTON END  
BOLT 12X30 T  
2
3
4
1
1
5-1  
5-2  
6
1
WASHER, LOCK M12  
WASHER 13306  
STOPPER, LOWER  
STOPPER, BOTTOM  
MAIN SPRING  
SPRING CYLINDER  
FOOT PLATE 12  
O-RING G-90  
SOCKET HEAD BOLT 10X20 T  
SOCKET HEAD BOLT 10X40 T  
PLUG 1/4X14 13L  
PACKING 1/4 (CU)  
GUIDE CYLINDER ...................................... 1 ..........FOR MTX80  
GUIDE CYLINDER ...................................... 1 ..........FOR MTX90  
O-RING AS568-344  
BOLT 10X35 H, SW .................................... 4 ..........FOR MTX80  
BOLT 10X45 H, SW .................................... 4 ..........FOR MTX90  
BELLOWS, ORANGE  
O-RING JASO3150  
BELLOWS CLAMP( 1.6T)171D  
BAND GUIDE, BELLOWS  
BOLT 8X40 T  
NUT M8  
PIN 6D-8.5L  
PLUG 1/4X14 13L  
PACKING 1/4 (CU)  
O-RING P-95  
PROTECTION SLEEVE  
OIL GAUGE ASSY  
COPPER PACKING 17X25.5X1  
1
1
7
1
8
1
9
2
12  
13  
14  
15  
16  
17  
18  
20  
20  
21  
22  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
51  
52  
53  
1
1
1
4
4
1
1
1
1
2
2
2
2
2
2
1
1
1
1
1
1
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 29  
FOOT ASSY.  
2
3
6
2
3
7
8
1
9
4
5
PAGE 30 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
FOOT ASSY.  
NO.  
1
PART NO.  
366910020  
022711214  
030212300  
009110034  
009110035  
363343390  
015110055  
030210250  
021110120  
PART NAME  
QTY.  
REMARKS  
FOOT ASSY 285  
1
4
4
2
2
1
7
7
7
2
NYLON NUT M12  
3
4
WASHER, LOCK M12  
BOLT, SQUARE NECK 12X65  
BOLT, SQUARE NECK 12X95  
GRIP HANDLEBAR  
SUNK HEAD BOLT 10X55 H  
WASHER SW M10  
5
6
7
8
9
NYLON NUT M10  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 31  
TANK AND HANDLE ASSY.  
9
10  
54  
51  
53  
56  
22  
14  
15  
110  
16  
B
A
18  
17  
3
55  
12  
11-2  
11-1  
12  
11-2  
11-1  
4-1  
4-2  
7
13  
6
112  
B
43  
11-2  
11-1  
111  
102  
5
41  
101  
102  
20  
19  
A
43  
4-2  
4-1  
103  
42  
20  
41  
102  
104  
113  
42  
112  
106  
1
2-2  
2-1  
105  
102  
PAGE 32 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
TANK AND HANDLE ASSY.  
NO.  
1
2-1  
2-2  
3
4-1  
4-2  
5
PART NO.  
366346270  
001521020  
033121009  
367119050  
001211020  
030210250  
939010270  
030208200  
020308060  
366900020  
366118700  
001210815  
030208200  
952401450  
031108160  
959300770  
366459790  
366345280  
PART NAME  
QTY.  
2
4
4
1
4
4
1
1
1
1
1
3
3
2
1
1
REMARKS  
SHOCK ABSORBER W/PIN  
SOCKET HEAD BOLT 10X20 T  
TOOTHED LOCK WASHER B M10  
HANDLE  
BOLT 10X20 H  
WASHER, LOCK M10  
STOPPER RUBBER (70)  
WASHER, LOCK M8  
NUT M8  
CAP ASSY, FUEL TANK  
FUELTANK  
6
7
9
10  
11-1  
11-2  
12  
13  
14  
15  
16  
BOLT 8X15 H  
WASHER, LOCK M8  
WASHER 8.5X22X3  
WASHER, FLAT M8  
STRAINER #508  
PACKING, FUEL TANK  
1
HOLDER, FILTER ................................... 1 ......... MTX80 S/N T-4419 AND BELOW  
............................................................................. MTX90 S/N T-1341 AND BELOW  
HOLDER, FILTER ................................... 1 ......... MTX80 S/N T-4420 AND ABOVE  
............................................................................. MTX90 S/N T-1342 AND ABOVE  
16%  
366345280  
17  
18  
19  
020305040  
030205130  
959026122  
NUT M5  
WASHER, LOCK M5  
3
3
FUEL HOSE L=70................................... 1 ......... MTX80 S/N T-4164 AND BELOW  
............................................................................. MTX90 S/N T-1331 AND BELOW  
FUEL HOSE FOR EVP L=70.................. 1 ......... MTX80 S/N T-4165 AND ABOVE  
............................................................................. MTX90 S/N T-1332 AND ABOVE  
HOSE BAND 10.5 ................................... 2 ......... MTX80 S/N T-4164 AND BELOW  
............................................................................. MTX90 S/N T-1331 AND BELOW  
HOSE CLAMP ........................................ 2 ......... MTX80 S/N T-4165 AND ABOVE  
............................................................................. MTX90 S/N T-1332 AND ABOVE  
19  
20  
20  
0851041780  
954406420  
0561080020  
22  
41  
42  
43  
009110037  
366217170  
091005020  
022610505  
TAPPING SCREW 5X20  
ROLLER  
SCREW 5X20  
2
2
4
4
FLANGE NUT M5 H  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 33  
TANK AND HANDLE ASSY.  
9
10  
54  
51  
53  
56  
22  
14  
15  
110  
16  
B
A
18  
17  
3
55  
12  
11-2  
11-1  
12  
11-2  
11-1  
4-1  
4-2  
7
13  
6
112  
B
43  
11-2  
11-1  
111  
102  
5
41  
101  
102  
20  
19  
A
43  
4-2  
4-1  
103  
42  
20  
41  
102  
104  
113  
42  
112  
106  
1
2-2  
2-1  
105  
102  
PAGE 34 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
TANK AND HANDLE ASSY.  
CONTINUED  
NO.  
51  
53  
54  
55  
56  
101  
PART NO.  
PART NAME  
QTY.  
REMARKS  
955010311  
955010305  
366345620  
454010020  
954010270  
959026121  
TP22TACHO/HOUR METER  
CURL CORDTP22  
FINISHER, METER  
CLAMP, TC100  
1
1
1
5
1
CLIP AB-3N  
FUEL HOSE L=170................................. 1 ......... MTX80 S/N T-4164 AND BELOW  
............................................................................. MTX90 S/N T-1331 AND BELOW  
FUEL HOSE FOR EVP L=170 ................ 1 ......... MTX80 S/N T-4165 AND ABOVE  
............................................................................. MTX90 S/N T-1332 AND ABOVE  
HOSE BAND 10.5 ................................... 4 ......... MTX80 S/N T-4164 AND BELOW  
............................................................................. MTX90 S/N T-1331 AND BELOW  
HOSE CLAMP ........................................ 4 ......... MTX80 S/N T-4165 AND ABOVE  
............................................................................. MTX90 S/N T-1332 AND ABOVE  
101  
102  
102  
0851041800  
954406420  
0561080020  
103  
104  
26365012A3  
959021722  
FILTER, FUEL CP  
FUEL HOSE L=250  
1
1
MTX80 S/N T-4164 AND BELOW  
............................................................................. MTX90 S/N T-1331 AND BELOW  
FUEL HOSE FOR EVP L=260 ................ 1 ......... MTX80 S/N T-4165 AND ABOVE  
............................................................................. MTX90 S/N T-1332 AND ABOVE  
SPIRAL TUBE D=6, L=110 ..................... 1 ......... MTX80 S/N T-4165 AND ABOVE  
............................................................................. MTX90 S/N T-1332 AND ABOVE  
104  
105  
0851041760  
959021824  
106  
110  
959407720  
366900060  
TUBE, V 11X13X180  
1
PRIMER PUMP KIT/NO CARB .............. 1 ......... INCLUDES ITEMS W/ %  
............................................................................. MTX80 S/N T-4420 AND ABOVE  
............................................................................. MTX90 S/N T-1342 AND ABOVE  
RETURN HOSE 3X6X600....................... 1 ......... MTX80 S/N T-4420 AND ABOVE  
............................................................................. MTX90 S/N T-1342 AND ABOVE  
HOSE CLIP 5.......................................... 2 ......... MTX80 S/N T-4420 AND ABOVE  
............................................................................. MTX90 S/N T-1342 AND ABOVE  
SPIRAL TUBE 6D-200L .......................... 1 ......... MTX80 S/N T-4420 AND ABOVE  
............................................................................. MTX90 S/N T-1342 AND ABOVE  
111%  
112%  
113%  
959028301  
954408170  
959021814  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 35  
COMBINATION LEVER ASSY.  
A
4
7
8
3
7
11  
1
13  
10  
2
BODY  
5
14  
11  
6
12  
9
NOTES  
OLD STYLE LEVER BODY NO LONGER  
AVAILABLE. NEW STYLE ITEMS 1, 2, AND 9  
ARE NOT COMPATIBLE WITH OLD STYLE  
BODY. IF REPLACEMENT OF ITEMS 1, 2  
OR 9 IS REQUIRED, ORDER KIT “A”.  
OLD  
STYLE  
LEVER  
NEW  
STYLE  
LEVER  
TO DETERMINE IF COMBINATION LEVER  
ASSY IS OLD STYLE OR NEW STYLE, SEE  
ITEM 2, LEVER. NEW STYLE LEVER HAS  
MOLDED TAB AT BOTTOM.  
MOLDED  
TAB  
PAGE 36 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
COMBINATION LEVER ASSY.  
NO.  
A
PART NO.  
366900042  
PART NAME  
QTY.  
REMARKS  
COMB. LEVER ASSY W/ THROTTLE WIRE ..... 1 ......... INCLUDES ITEMS W/ #  
....................................................................................... REPLACES 366900041  
COMB. LEVER ASSY ....................................... 1 ......... INCLUDES ITEMS W/@  
FUEL COCK ...................................................... 1 ......... SEE NOTE ON DRAWING  
FUEL COCK ...................................................... 1 ......... NEW STYLE, SEE NOTE ON DRAWING  
LEVER ............................................................... 1 ......... SEE NOTE ON DRAWING  
LEVER ............................................................... 1 ......... NEW STYLE, SEE NOTE ON DRAWING  
SLIDER  
END CAP  
WIRE CAP  
BOLT AND WASHER SET  
A
1
1#@  
2
2#@  
3#@  
4#@  
5#@  
6#@  
7#@  
8#@  
9
956200110  
366346260  
366349430  
366010180  
366010310  
366010190  
366010200  
366010210  
366010220  
020408050  
959407650  
366010260  
366010320  
956100063  
1
1
1
1
2
1
NUT M8, H=5  
SOCKET HEAD SCREW/TH.WIRE  
STOP SWITCH .................................................. 1 ......... SEE NOTE ON DRAWING  
STOP SWITCH .................................................. 1 ......... NEW STYLE, SEE NOTE ON DRAWING  
9#@  
10#  
THROTTLEWIRE  
1
4
1
1
1
11#@ 094010051  
12#@ 094010052  
13#@ 050200150  
14#@ 050200110  
TAPPING SCREW B1 4X12  
TAPPING SCREW B1 4X30  
O-RING, P15  
O-RING, P11  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 37  
TOOLS  
PAGE 38 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
TOOLS  
NO.  
1
PART NO.  
981010400  
983010060  
983910090  
009110044  
PART NAME  
QTY.  
REMARKS  
CLUTCH PULLER A  
1
1
1
2
CLUTCH MOUNTER  
3
4
PISTON ROD HOLDER  
SOCKET HEAD BOLT 8X50 (FULL THREAD)  
CRANK GEAR REMOVER  
CLUTCH PULLER B  
SPRING CYLINDER REMOVER  
PISTON END REMOVER  
2
1
1
1
5
6
7
983910020  
983010040  
983910010  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 39  
ROBIN EH122D46530 — CRANKCASE ASSY.  
10  
30  
40  
50  
700  
830  
294  
210  
295  
860  
230  
298  
297  
265  
75  
270  
280  
90  
80  
260  
250  
220  
300  
NOTE  
USE LIQUID GASKET FOR CYLINDER AND INSULATOR GASKET.  
PAGE 40 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — CRANKCASE ASSY.  
CRANKCASE ASSY.  
NO.  
10  
PART NO.  
PART NAME  
CRANKCASE CP...............................................1................INCLUDES ITEMS W/ #  
QTY.  
REMARKS  
2521030141  
0440250150  
0600250100  
0310060020  
0440080010  
0401140030  
0211140020  
2521110301  
30#  
40#  
50#  
75#  
80  
OIL SEAL  
1
1
2
1
2
2
BALL BEARING  
DOWEL PIN  
OIL SEAL VC 8X14X4  
PLUG  
90  
210  
GASKET  
MAIN BEARING COVER CP .............................1................INCLUDES ITEMS W/ $  
220$ 0440250160  
230$ 0600250010  
OIL SEAL  
1
1
1
1
2
1
1
1
1
1
2
8
2
1
2
BALL BEARING 6205C3  
GOVERNOR GEAR CP  
GOVERNOR SLEEVE  
STUD  
OIL GAUGE CP  
GASKET  
BRACKET CP (M.B.C)  
SUPPORT (M.B.C)  
BOLT AND WASHER ASSY  
BOLT AND WASHER ASSY  
BOLT AND WASHER ASSY  
DOWEL PIN  
250  
260  
2274500301  
2054190103  
265$ 0108100030  
270  
280  
294  
295  
297  
298  
300  
700  
830  
860  
2686360301  
X213160020  
2521700201  
2521700101  
0011308160  
0011308160  
0130060200  
0310060020  
2681620103  
0011306160  
GASKET, BREATHER COVER  
BOLT AND WASHER ASSY  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 41  
ROBIN EH122D46530 — CYLINDER HEAD ASSY.  
710  
850  
680  
MTX80/MTX90 — EH12-2D ROBIN ENGINE— CRANKSHAFT AND PISTON  
690  
910  
726  
723  
722  
720  
721  
724  
690  
725  
230  
220  
95  
610  
70  
240  
73  
72  
230  
220  
20  
20  
26  
630  
95  
73  
260  
72  
240  
71  
60  
60  
210  
900  
901  
CYLINDER HEAD  
REFERENCE  
ONLY  
620  
80  
90  
CRANKCASE  
REFERENCE  
ONLY  
PAGE 42 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — CYLINDER HEAD ASSY.  
CYLINDER HEAD ASSY.  
NO.  
20#  
26  
60#  
70#  
71#  
72  
73  
80  
90  
95  
210  
220  
230  
240  
260  
610  
620  
630  
680  
690  
710  
720  
PART NO.  
PART NAME  
VALVE GUIDE O/S  
STEM SEAL  
STUD  
STUD  
STUD  
VALVE SPRING  
SPRING RETAINER  
INTAKE VALVE  
EXHAUST VALVE  
COLLET VALVE  
PUSH ROD  
ROCKER ARM  
BOLT, PIVOT  
NUT  
QTY.  
2
1
REMARKS  
2371420203  
2771601001  
0105080480  
0105060131  
0013906600  
2533360103  
2693370103  
2683340103  
2683350103  
13210KA031  
2683530103  
2693600103  
2693580103  
0170060090  
2693650103  
2681310121  
2531500133  
0110080100  
2521550203  
2691600403  
0110060170  
2521560120  
— E— CRANKSHAFT AND PISTON  
2
1
1
2
2
1
1
4
2
2
2
2
1
GUIDE PLATE  
CYLINDER HEAD CP........................................1................INCLUDES ITEMS W/ #  
GASKET, HEAD  
FLANGE BOLT  
ROCKER COVER  
GASKET, ROCKER, COVER  
FLANGE BOLT  
1
4
1
2
4
SPACER ASSY, BREATHER..............................1................INCLUDES ITEMS W/ $  
721$ 2521560113  
722$ 2521600103  
723$ 2521610103  
724$ 2521440123  
725$ 0110060150  
726$ 0043506120  
SPACER, BREATHER  
LEAF VALVE  
RETAINER PLATE  
PLATE  
FLANGE BOLT  
SCREW AND WASHER  
RUBBER PIPE  
CLAMP  
FLANGE BOLT  
HOSE CLAMP  
1
1
1
1
2
1
1
1
1
1
850  
900  
901  
910  
2681800503  
0566000250  
0110060020  
0561120040  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 43  
ROBIN EH122D46530 — CRANKSHAFT, PISTON ASSY.  
370  
360  
380  
350  
380  
310  
50  
60  
CRANKCASE  
REFERENCE  
ONLY  
70  
10  
40  
320  
PAGE 44 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — CRANKSHAFT, PISTON ASSY.  
CRANKSHAFT, PISTON ASSY.  
NO.  
10  
40  
40  
40  
50  
60  
70  
PART NO.  
PART NAME  
QTY.  
REMARKS  
2682190501  
0230250110  
0230250120  
0230250130  
0021814000  
0032014000  
0323030010  
2522250120  
CRANK SHAFT CP  
SPACER T=0.6  
SPACER T=0.8  
SPACER T=1.0  
NUT  
1
1
1
1
1
1
1
SPRING WASHER  
WOODRUFF KEY  
310  
CONNECTING ROD ASSY ...............................1................INCLUDES ITEM W/ #  
320# 2362300103  
CONNECTING ROD BOLT  
PISTON PIN  
PISTON STD  
PISTON O.S. 0.25  
PISTON O.S. 0.5  
PISTON RING SET, STD  
PISTON RING SET 0.25 O.S.  
PISTON RING SET 0.50 O.S.  
CLIP  
2
1
1
1
1
1
1
1
2
350  
360  
360  
360  
370  
370  
370  
380  
2682330103  
26823401H3  
26823402H3  
26823403H3  
2522350117  
2522350217  
2522350317  
2152500403  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 45  
ROBIN EH122D46530 — CAMSHAFT ASSY.  
CRANKCASE  
REFERENCE  
ONLY  
10  
36  
34 38  
50  
PAGE 46 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — CAMSHAFT ASSY.  
CAMSHAFT ASSY.  
NO.  
10  
PART NO.  
PART NAME  
CAMSHAFT CP .................................................1................INCLUDES ITEMS W/ #  
QTY.  
REMARKS  
2533170111  
2273860123  
2273640113  
0051904100  
0031522000  
2273870103  
2393330113  
34#  
35#  
36#  
37#  
38#  
50  
PIN (SPRING)  
RELEASE LEVER  
SPRING PIN  
SNAP RING  
1
1
1
1
1
2
RETURN SPRING  
TAPPET  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 47  
ROBIN EH122D46530 — RECOIL STARTER ASSY.  
10  
40  
90  
95  
220  
20  
207  
205  
206  
249  
201  
205  
203  
204  
202  
208  
211  
200  
PAGE 48 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — RECOIL STARTER ASSY.  
RECOIL STARTER ASSY.  
NO.  
10  
20  
40  
90  
95  
200  
PART NO.  
PART NAME  
QTY.  
REMARKS  
2525165221  
920100240  
0011406550  
2685270303  
0110060140  
2685020130  
BLOWER HOUSING CP  
DECAL, (M-MARK)  
BOLT AND WASHER ASSY 6X55  
HEAD COVER  
1
1
4
1
2
FLANGE BOLT  
RECOIL STARTER ASSY..................................1................INCLUDES ITEMS W/ #  
201# 2705011508  
202# 2695012008  
203# 2825011118  
204# 2615010008  
205# 2705012508  
206# 2275013108  
207# 2275013508  
208# 2705026108  
211# 2685014518  
SPIRAL SPRING  
REEL  
STARTER ROPE  
STARTER KNOB  
RATCHET  
FRICTION SPRING  
RETURN SPRING  
RATCHET GUIDE  
STARTER PULLEY  
FLANGE BOLT  
SET SCREW  
1
1
1
1
2
1
2
1
1
4
1
220 0110060010  
249# 2275015208  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 49  
ROBIN EH122D46530 — CARBURETOR ASSY.  
210  
918  
917  
902  
947  
946  
945  
948  
949  
903  
907  
921  
909  
910  
912  
905  
929  
919  
943  
900  
917  
904  
906  
916  
908  
920  
926  
927  
925  
NOT SOLD SEPARATELY  
915  
911  
914  
901  
916  
PAGE 50 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — CARBURETOR ASSY.  
CARBURETOR ASSY.  
MTX80: S/N T-4419 AND BELOW  
MTX90: S/N T-1341 AND BELOW  
NO.  
PART NO.  
PART NAME  
QTY.  
REMARKS  
210  
2526257100  
5016004010  
2526260508  
2526260408  
2526261208  
1616233508  
2846260308  
5106045040  
2846260408  
1616255208  
1476258408  
1616238008  
1616238108  
2526261008  
1616238308  
1066257508  
1066257608  
1476257308  
2846260008  
1616245408  
1616245108  
1476258308  
1616236808  
1616236908  
1476257508  
1616238508  
2526261108  
1616255108  
2526260308  
1616255308  
2526260208  
2526260108  
CARBURETOR ASSY...................................... 1 ...............INCLUDES ITEMS W/ #  
900#  
901#  
902#  
903#  
904#  
905#  
906#  
907#  
908#  
909#  
910#  
911#  
912#  
914#  
915#  
916#  
917#  
918#  
919#  
920#  
921#  
925#  
926#  
927#  
929#  
943#  
945#  
946#  
947#  
948#  
949#  
SCREEN INLET  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
5
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
COVER, METALING DIAPHRAGM  
COVER PUMP  
THROTTLE SHAFT  
VALVE THROTTLE  
SHAFT ASSY CHOKE  
CLIP  
VALVE, CHOKE  
VALVE, INLET NEEDLE  
BALL  
GASKET PLUG  
GASKET, METALING DIAPHRAGM  
DIAPHRAGM PUMP  
DIAPHRAGM ASSY, METALING  
SCREW  
SCREW ASSY  
SCREW  
SCREW  
SPRING, IDLE ADJUST  
SPRING, METALING LEVER  
SPRING, CHOKE  
PIN, METALING LEVER  
LEVER, METALING  
PLUG  
SCREW, IDLE ADJUST  
SPRING PUMP  
STOPPER, THROTTLE  
LEVER, THROTTLE  
SCREW VALVE  
SPACER, THROTTLE LEVER  
WASHER  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 51  
ROBIN EH122D46530 — CARBURETOR ASSY.  
PAGE 52 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — CARBURETOR ASSY.  
CARBURETOR ASSY.  
MTX80: S/N T-4420 AND ABOVE  
MTX90: S/N T-1342 AND ABOVE  
NO.  
210  
PART NO.  
PART NAME  
CARBURETOR ASSY  
SCREEN INLET  
COVER, PRIMER PUMP  
COVER PUMP  
THROTTLE SHAFT  
VALVE THROTTLE  
SHAFT ASSY CHOKE  
CLIP  
VALVE, CHOKE  
VALVE, INLET NEEDLE  
BALL  
QTY.  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
5
2
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
REMARKS  
INCLUDES ITEMS W/ #  
2526257300  
5016004010  
2526261608  
2526261308  
2526261208  
1616233508  
2846260308  
5106045040  
2846260408  
1616255208  
1476258408  
1616238008  
2526261808  
2526261008  
2526261708  
2526261908  
2526262008  
1476257308  
2846260008  
1616245408  
1616245108  
1476258308  
1616236808  
1616236908  
1476257508  
1616238508  
2526261108  
1616255108  
2526260308  
1616255308  
2526260208  
1476258600  
1066257608  
2526261408  
2526261508  
900#  
901#  
902#  
903#  
904#  
905#  
906#  
907#  
908#  
909#  
910#  
911#  
912#  
914#  
915#  
916#  
917#  
918#  
919#  
920#  
921#  
925#  
926#  
927#  
929#  
943#  
945#  
946#  
947#  
948#  
949#  
950#  
961#  
962#  
GASKET PLUG  
GASKET, METALING DIAPHRAGM  
DIAPHRAGM PUMP  
DIAPHRAGM ASSY, METALING  
SCREW  
SCREW ASSY  
SCREW  
SCREW  
SPRING, IDLE ADJUST  
SPRING, METALING LEVER  
SPRING, CHOKE  
PIN, METALING LEVER  
LEVER, METALING  
PLUG  
SCREW, IDLE ADJUST  
SPRING PUMP  
STOPPER, THROTTLE  
LEVER, THROTTLE  
SCREW VALVE  
SPACER, THROTTLE LEVER  
SEAL, DUST  
SCREW ASSY  
BODY ASSY, AIR PURGE  
PUMP, PRIMER  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 53  
ROBIN EH122D46530 — AIR CLEANER ASSY.  
590  
556  
552  
555  
567  
500  
550  
565  
528  
CYLINDER HEAD  
REFERENCE  
ONLY  
563  
560  
570  
530  
PAGE 54 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — AIR CLEANER ASSY.  
AIR CLEANER ASSY.  
NO.  
500  
528  
530  
550  
552  
555  
556  
560  
563  
565  
567  
570  
590  
PART NO.  
PART NAME  
INTAKE PIPE  
PLATE  
INTAKE PIPE  
QTY.  
1
1
1
1
1
1
1
2
2
1
2
2
REMARKS  
2683300413  
2683660103  
2843810103  
1573500103  
2843650103  
2823590103  
0011406400  
1066500203  
0119060090  
2843310103  
0100050110  
0176050010  
0023806000  
GASKET, INSULATOR  
GASKET (INTAKE)  
GASKET, INSULATOR  
BOLT AND WASHER ASSY  
GASKET (CARB.)  
BOLT (SOCKET HEAD)  
INTAKE FLANGE CP  
BOLT M5X0.8X70L  
SELF LOCK NUT  
FLANGE NUT  
2
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 55  
ROBIN EH122D46530 — MUFFLER ASSY.  
366  
340  
345  
340  
310  
CYLINDER HEAD  
REFERENCE  
ONLY  
350  
365  
330  
CRANKCASE  
REFERENCE  
ONLY  
PAGE 56 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — MUFFLER ASSY.  
MUFFLER ASSY.  
NO.  
310  
330  
340  
345  
350  
365  
366  
PART NO.  
PART NAME  
MUFFLER CP  
BRACKET CP  
GASKET, MUFFLER  
SPACER, EXHAUST  
SELF LOCK NUT  
QTY.  
REMARKS  
2523040111  
2523700111  
2533520103  
2523650123  
0176080020  
0011308160  
0011408160  
1
1
2
1
2
2
2
BOLT AND WASHER ASSY  
BOLT AND WASHER 8X16  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 57  
ROBIN EH122D46530 — GOVERNOR ASSY.  
40  
30  
20  
80  
280  
26  
50  
200  
70  
230  
210  
240  
60  
716  
710  
10  
231  
235  
715  
290  
293  
PAGE 58 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — GOVERNOR ASSY.  
GOVERNOR ASSY.  
NO.  
10  
20  
26  
30  
40  
50  
60  
PART NO.  
PART NAME  
QTY.  
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
REMARKS  
2524230303  
2274220103  
0031108000  
2544270101  
2544280103  
0031306000  
0011406300  
0186060020  
2524250323  
2524340230  
0116040030  
0043105250  
0043104250  
2684500113  
0021705000  
2264310101  
2684420201  
0110060030  
2524280111  
0011308160  
0110060030  
GOVERNOR LEVER CP  
GOVERNOR SHAFT  
WASHER  
GOVERNOR ROD CP  
ROD SPRING  
CLIP  
BOLT AND WASHER ASSY  
NUT  
GOVERNOR SPRING  
SPEED CONTROL ASSY  
BOLT  
SCREW, PANHEAD  
SCREW  
CONTROL SPRING  
NUT  
LINK PIVOT CP  
WIRE BRACKET  
FLANGE BOLT  
PROTECTOR CP, GOVERNOR  
BOLT AND WASHER ASSY  
FLANGE BOLT  
70  
80  
200  
210  
230  
231  
235  
240  
280  
290  
293  
710  
715  
716  
1
1
1
1
1
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 59  
ROBIN EH122D46530 — FLYWHEEL IGNITION ASSY.  
11  
30  
95  
110  
10  
90  
70  
100  
11  
10  
PAGE 60 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — FLYWHEEL IGNITION ASSY.  
FLYWHEEL IGNITION ASSY.  
NO.  
10  
11  
30  
70  
90  
95  
PART NO.  
PART NAME  
FLYWHEEL CP  
IGNITION COIL CP  
BOLT AND WASHER ASSY  
TAPPING SCREW  
CLAMP  
PLUG TERMINAL  
SPARK PLUG BR6ES  
SPARK PLUG CAP  
QTY.  
REMARKS  
2687933201  
2697943011  
0011406250  
0150040090  
0566000250  
0659000010  
0650140580  
2307510113  
1
1
2
2
1
1
1
1
100  
110  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 61  
ROBIN EH122D46530 — LABELS AND ACCESSORIES  
LABELS  
100  
101  
102  
103  
ACCESSORIES  
201  
202  
PAGE 62 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
ROBIN EH122D46530 — LABELS AND ACCESSORIES  
LABELS AND ACCESSORIES  
NO.  
100  
101  
102  
103  
201  
202  
PART NO.  
PART NAME  
QTY.  
REMARKS  
0732004450  
0732004520  
0732003900  
0732005020  
0830000010  
2267510103  
LABEL, CAUTION  
LABEL, OIL CAUTION  
LABEL, WARNING  
LABEL CHOKE  
COIL SPRING  
CLAMP  
1
1
1
1
1
1
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 63  
TERMS AND CONDITIONS OF SALE — PARTS  
5. Parts must be in new and resalable  
condition, in the original Multiquip  
package (if any), and with Multiquip part  
numbers clearly marked.  
Multiquip 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.  
PAYMENT TERMS  
Terms of payment for parts are net 30 days.  
FREIGHT POLICY  
6. The following items are not returnable:  
All parts orders will be shipped collect or  
prepaid with the charges added to the invoice.  
All shipments are F.O.B. point of origin.  
Multiquip’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.  
a. Obsolete parts. (If an item is in the  
price book and shows as being  
replaced by another item, it is  
obsolete.)  
SPECIAL EXPEDITING SERVICE  
A $35.00 surcharge will be added to the  
invoice for special handling including bus  
shipments, insured parcel post or in cases  
where Multiquip must personally deliver the  
parts to the carrier.  
b. Any parts with a limited shelf life  
(such as gaskets, seals, “O” rings,  
and other rubber parts) that were  
purchased more than six months  
prior to the return date.  
LIMITATIONS OF SELLER’S LIABILITY  
MINIMUM ORDER  
Multiquip 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 Multiquip be  
liable for loss of profit or good will or for any  
other special, consequential or incidental  
damages.  
The minimum charge for orders from Multiquip  
is $15.00 net. Customers will be asked for  
instructions regarding handling of orders not  
meeting this requirement.  
c. Any line item with an extended  
dealer net price of less than  
$5.00.  
d. Special order items.  
RETURNED GOODS POLICY  
e. Electrical components.  
f. Paint, chemicals, and lubricants.  
g. Decals and paper products.  
h. Items purchased in kits.  
Return shipments will be accepted and  
credit will be allowed, subject to the following  
provisions:  
LIMITATION OF WARRANTIES  
No warranties, express or implied, are  
made in connection with the sale of parts or  
trade accessories nor as to any engine not  
manufactured by Multiquip. Such warranties  
made in connection with the sale of new,  
complete units are made exclusively by a  
statement of warranty packaged with such  
units, and Multiquip neither assumes nor  
authorizes any person to assume for it  
any other obligation or liability whatever in  
connection with the sale of its products. Apart  
from such written statement of warranty,  
there are no warranties, express, implied or  
statutory, which extend beyond the description  
of the products on the face hereof.  
1. A Returned Material Authorization  
must be approved by Multiquip prior to  
shipment.  
7. The sender will be notified of any material  
received that is not acceptable.  
8. Such material will be held for five  
working days from notification, pending  
instructions. If a reply is not received  
within five days, the material will be  
returned to the sender at his expense.  
2. To obtain a Return Material Authorization,  
a list must be provided to Multiquip  
Parts Sales that defines item numbers,  
quantities, and descriptions of the items  
to be returned.  
9. Credit on returned parts will be issued  
at dealer net price at time of the original  
purchase, less a 15% restocking  
charge.  
a. The parts numbers and descriptions  
must match the current parts price  
list.  
b. The list must be typed or computer  
generated.  
10. In cases where an item is accepted, for  
which the original purchase document  
can not be determined, the price will be  
based on the list price that was effective  
twelve months prior to the RMA date.  
c. The list must state the reason(s)  
for the return.  
Effective: February 22, 2006  
d. The list must reference the sales  
order(s) or invoice(s) under  
which the items were originally  
purchased.  
11. Credit issued will be applied to future  
purchases only.  
PRICING AND REBATES  
e. The list must include the name  
and phone number of the person  
requesting the RMA.  
Prices are subject to change without prior  
notice. Price changes are effective on a  
specific date and all orders received on or  
after that date will be billed at the revised price.  
Rebates for price declines and added charges  
for price increases will not be made for stock  
on hand at the time of any price change.  
3. AcopyoftheReturnMaterialAuthorization  
must accompany the return shipment.  
4. Freight is at the sender’s expense. All  
parts must be returned freight prepaid to  
Multiquip’s designated receiving point.  
PAGE 64 — MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11)  
NOTES  
NOTES  
MTX80/90 RAMMER — OPERATION AND PARTS MANUAL — REV. #9 (1/14/11) — PAGE 65  
OPERATION AND PARTS MANUAL  
HERE’S HOW TO GET HELP  
PLEASE HAVE THE MODEL AND SERIAL  
NUMBER ON-HAND WHEN CALLING  
UNITED STATES  
Multiquip Corporate Office  
MQ Parts Department  
18910 Wilmington Ave.  
Carson, CA 90746  
Contact: [email protected]  
Tel. (800) 421-1244  
Fax (800) 537-3927  
800-427-1244  
310-537-3700  
Fax: 800-672-7877  
Fax: 310-637-3284  
Service Department  
Warranty Department  
800-421-1244  
310-537-3700  
Fax: 310-537-4259  
Fax: 310-943-2238  
800-421-1244  
310-537-3700  
Fax: 310-943-2249  
Technical Assistance  
800-478-1244  
MEXICO  
UNITED KINGDOM  
MQ Cipsa  
Multiquip (UK) Limited Head Office  
Carr. Fed. Mexico-Puebla KM 126.5  
Momoxpan, Cholula, Puebla 72760 Mexico  
Contact: [email protected]  
Tel: (52) 222-225-9900  
Unit 2, Northpoint Industrial Estate, Tel: 0161 339 2223  
Fax: (52) 222-285-0420 Globe Lane,  
Dukinfield, Cheshire SK16 4UJ  
Contact: [email protected]  
Fax: 0161 339 3226  
CANADA  
Multiquip  
4110 Industriel Boul.  
Laval, Quebec, Canada H7L 6V3  
Contact: [email protected]  
Tel: (450) 625-2244  
Tel: (877) 963-4411  
Fax: (450) 625-8664  
© COPYRIGHT 2011, MULTIQUIP INC.  
Multiquip Inc, the MQ logo and the Mikasa logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks  
are the property of their respective owners and used with permission.  
This manual MUST accompany the equipment at all times.This manual is considered a permanent part of the equipment and should remain with the unit if resold.  
The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical data contained in  
this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change specifications, design or the information published  
in this publication at any time without notice and without incurring any obligations.  
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