Instruction
manual
ESPAÑOL: PÁGINA 23
FRANÇAIS: PAGE 45
MODEL
C3150
Oilfree
Portable
Air Compressor
IMPORTANT
Please make certain that the person who is
to use this equipment carefully reads and
understands these instructions before
starting operations.
To learn more about Porter-Cable
visit our website at:
The Model and Serial No. plate is located on the frame.
Record these numbers in the spaces below and retain for
future reference.
Model No.
Type
Serial No.
Copyright © 2001 Porter-Cable Corporation
Part No. D28299-035-0
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IMPORTANT SAFETY INSTRUCTIONS
Save these instructions
Improper operation or maintenance of this product could result in serious injury and
property damage. Read and understand all warnings and operation instructions before
using this equipment.
HAZARD
WARNING: Risk of explosion or fire
What Could Happen
How To Prevent It
Always operate the compressor in a well
ventilated area free of combustible
materials, gasoline, or solvent vapors.
It is normal for electrical contacts
within the motor and pressure switch to
spark.
If electrical sparks from compressor
come into contact with flammable
vapors, they may ignite, causing fire or
explosion.
If spraying flammable materials, locate
compressor at least 20 feet away from
spray area. An additional length of hose
may be required.
Store flammable materials in a secure
location away from compressor.
Restricting any of the compressor
ventilation openings will cause serious
overheating and could cause fire.
Never place objects against or on top
of compressor. Operate compressor in
an open area at least 12 inches away
from any wall or obstruction that would
restrict the flow of fresh air to the
ventilation openings.
Operate compressor in a clean, dry well
ventilated area. Do not operate unit
indoors or in any confined area.
Unattended operation of this product
could result in personal injury or
property damage. To reduce the risk of
fire, do not allow the compressor to
operate unattended.
Always remain in attendance with the
product when it is operating.
Always disconnect electrical power by
moving pressure switch lever to the off
position and drain tank daily or after
each use.
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D28299
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HAZARD
WARNING: Risk of Bursting
Air Tank: The following conditions could lead to a weakening of the tank, and result
in a violent tank explosion and could cause property damage or serious injury.
What Could Happen
How To Prevent It
Drain tank daily or after each use. If
tank develops a leak, replace it
immediately with a new tank or replace
the entire compressor.
Failure to properly drain condensed
water from tank, causing rust and
thinning of the steel tank.
Modifications or attempted repairs to
the tank.
Never drill into, weld, or make any
modifications to the tank or its
attachments.
Unauthorized modifications to the
unloader valve, safety valve, or any
other components which control tank
pressure.
The tank is designed to withstand specific
operating pressures. Never make
adjustments or parts substitutions to
alter the factory set operating
pressures.
Excessive vibration can weaken the
air tank and cause rupture or
explosion
For essential control of air pressure, you
must install a pressure regulator and
pressure gauge to the air outlet (if not
equipped) of your compressor. Follow the
equipment manufacturers
ATTACHMENTS & ACCESSORIES:
Exceeding the pressure rating of air
tools, spray guns, air operated
accessories, tires, and other inflatables
can cause them to explode or fly apart,
and could result in serious injury.
recommendation and never exceed the
maximum allowable pressure rating of
attachments. Never use compressor to
inflate small low pressure objects such
as children’s toys, footballs,
basketballs, etc.
HAZARD
WARNING: Risk from Flying Objects
What Could Happen
How To Prevent It
Always wear ANSI Z87.1 approved safety
glasses with side shields when using the
compressor.
The compressed air stream can cause
soft tissue damage to exposed skin
and can propel dirt, chips, loose
particles, and small objects at high
speed, resulting in property damage or
personal injury.
Never point any nozzle or sprayer
toward any part of the body or at other
people or animals.
Always turn the compressor off and
bleed pressure from the air hose and tank
before attempting maintenance, attaching
tools or accessories.
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D28299
HAZARD
WARNING: Risk of Electrical Shock
What Could Happen
How To Prevent It
Your air compressor is powered by
electricity. Like any other electrically
powered device, If it is not used
Never operate the compressor outdoors
when it is raining or in wet conditions.
Never operate compressor with
protective covers removed or damaged.
properly it may cause electric shock.
Repairs attempted by unqualified
personnel can result in serious injury
or death by electrocution.
Any electrical wiring or repairs required
on this product should be performed by
authorized service center personnel in
accordance with national and local
electrical codes.
Electrical Grounding: Failure to provide
adequate grounding to this product
could result in serious injury or death
from electrocution.
Make certain that the electrical circuit to
which the compressor is connected
provides proper electrical grounding,
correct voltage and adequate fuse
protection.
See grounding instructions.
HAZARD
WARNING: Risk to Breathing
What Could Happen
How To Prevent It
The compressed air directly from your
compressor is not safe for breathing.
The air stream may contain carbon
monoxide, toxic vapors, or solid
particles from the tank. Breathing these
contaminants can cause serious injury
or death.
Air obtained directly from the compressor
should never be used to supply air for
human consumption. In order to use air
produced by this compressor for
breathing, suitable filters and in-line
safety equipment must be properly
installed. In-line filters and safety
equipment used in conjunction with the
compressor must be capable of treating
air to all applicable local and federal
codes prior to human consumption.
Sprayed materials such as paint, paint
solvents, paint remover, insecticides,
weed killers, may contain harmful
vapors and poisons.
Work in an area with good cross
ventilation. Read and follow the safety
instructions provided on the label or
safety data sheets for the materials you
are spraying. Use a NIOSH/ MSHA
approved respirator designed for use with
your specific application.
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HAZARD
WARNING: Risk of Burns
What Could Happen
How To Prevent It
Never touch any exposed metal parts
on compressor during or immediately
after operation. Compressor will remain
hot for several minutes after operation.
Touching exposed metal such as the
compressor head or outlet tubes, can
result in serious burns.
Do not reach around protective shrouds
or attempt maintenance until unit has
been allowed to cool.
HAZARD
WARNING: Risk from Moving Parts
What Could Happen
How To Prevent It
Moving parts such as the pulley, flywheel,
and belt can cause serious injury if they
come into contact with you or your
clothing.
Never operate the compressor with
guards or covers which are damaged or
removed.
Attempting to operate compressor with
damaged or missing parts or attempting
to repair compressor with protective
shrouds removed can expose you to
moving parts and can result in serious
injury.
Any repairs required on this product
should be performed by authorized
service center personnel.
HAZARD
WARNING: Risk of Falling
What Could Happen
How To Prevent It
Always operate compressor in a stable
secure position to prevent accidental
movement of the unit. Never operate
compressor on a roof or other elevated
position. Use additional air hose to
reach high locations.
A portable compressor can fall from a
table, workbench, or roof causing
damage to the compressor and could
result in serious injury or death to the
operator.
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D28299
HAZARD
WARNING: Risk of Serious Injury or Property Damage When
Transporting Compressor
(Fire, Inhalation, Damage to Vehicle Surfaces)
What Could Happen
How To Prevent It
Oil can leak or spill and could result in
fire or breathing hazard; serious injury or
death can result. oil leaks will damage
carpet, paint or other surfaces in
vehicles or trailers.
Always place COMPRESSOR on a
protective mat when transporting to
protect against damage to vehicle from
leaks. Remove COMPRESSOR from
vehicle immediately upon arrival at your
destination.
HAZARD
WARNING: Risk of Unsafe Operation
What Could Happen
How To Prevent It
Unsafe operation of your air compressor
could lead to serious injury or death to
you or others.
Review and understand all instructions
and warnings in this manual.
Become familiar with the operation and
controls of the air compressor.
Keep operating area clear of all persons,
pets, and obstacles.
Keep children away from the air
compressor at all times.
Do not operate the product when
fatigued or under the influence of
alcohol or drugs. Stay alert at all times.
Never defeat the safety features of this
product.
Equip area of operation with a fire
extinguisher.
Do not operate machine with missing,
broken, or unauthorized parts.
SAVE THESE INSTRUCTIONS
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D28299
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GLOSSARY
Become familiar with these terms before operating the unit.
CFM: Cubic feet per minute.
SCFM: Standard cubic feet per minute; a unit of measure of air delivery.
PSIG: Pounds per square inch gauge; a unit of measure of pressure.
Code Certification: Products that bear one or more of the following marks:
UL, CUL, ETL, CETL, have been evaluated by OSHA certified independent
safety laboratories and meet the applicable Underwriters Laboratories
Standards for Safety.
Cut-In Pressure: While the motor is off, air tank pressure drops as you
continue to use your accessory. When the tank pressure drops to a certain low
level the motor will restart automatically. The low pressure at which the motor
automatically restarts is called “cut-in” pressure.
Cut-Out Pressure: When an air compressor is turned on and begins to run,
air pressure in the air tank begins to build. It builds to a certain high pressure
before the motor automatically shuts off - protecting your air tank from
pressure higher than its capacity. The high pressure at which the motor shuts
off is called “cut-out” pressure.
Branch Circuit: Circuit carrying electricity from electrical panel to outlet.
DUTY CYCLE
This air compressor pump is capable of running continuously. However, to
prolong the life of your air compressor, it is recommended that a 50%-75%
average duty cycle be maintained; that is, the air compressor pump should not
run more than 30-45 minutes in any given hour.
SPECIFICATIONS
Model No.
C3150
3.5
2.375"
1.350"
120
15 amps
Time Delay
4.5
120 PSIG
150 PSIG
6.0
Horsepower Peak
Bore
Stroke
Voltage-Single Phase
*
* * Minimum Branch Circuit Requirement
*
Fuse Type
Air Tank Capacity (Gallon)
Approximate Cut-in Pressure
Approximate Cut-out Pressure
SCFM @ 90 PSIG
*
This air compressor can be operated on a 15 amp
circuit if:
1. Voltage supply to circuit is normal.
2. Circuit is not used to supply any other electrical needs (lights, appliances, etc.)
3. Extension cords comply with specifications in owners manual.
4. Circuit is equipped with 15 amp circuit breaker or 15 amp time delay fuse.
If any of the above conditions cannot be met, or if operation of the air compressor
repeatedly causes interruption of the power it may be necessary to operate it from a
20 amp circuit. It is not necessary to change the cord set.
* * A circuit breaker is preferred. Use only a fuse or circuit breaker that is the same
rating as the branch circuit on which the air compressor is operated. If the air
compressor is connected to a circuit protected by fuses, use dual element time
delay fuses.
8- ENG
D28299
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ACCESSORIES
Accessories for this unit are available at the store the unit was purchased.
One accessory available for this unit
is the Job Boss ™ Mobility Kit, this
accessory includes retractable
handle, comfort grip, mounting
bracket, pneumatic wheels, shoulder
bolts, and all associated hardware
needed to make this unit more
Unit shown with
PTA50 Mobility kit,
sold separately.
mobile.
ASSEMBLY
Unpacking
1. Remove unit from carton and discard all packaging.
INSTALLATION
HOW TO SET UP YOUR UNIT
Location of the Air Compressor
Locate the air compressor in a clean, dry and well ventilated area. The air
compressor should be located at least 12" away from the wall or other
obstructions that will interfere with the flow of air. The air compressor pump
and shroud are designed to allow for proper cooling. The ventilation openings
on the compressor are necessary to maintain proper operating temperature. Do
not place rags or other containers on or near these openings.
GROUNDING INSTRUCTIONS
RISK OF ELECTRICAL SHOCK. In the event of a short
circuit, grounding reduces the risk of shock by providing
an escape wire for the electric current. This air compressor must be
properly grounded.
The portable air compressor is equipped with a cord having a grounding wire
with an appropriate grounding plug (see following illustrations). The plug must
be used with an outlet that has been installed and grounded in accordance
with all local codes and ordinances.
1. The cord set and plug with this unit contains a grounding pin. This plug
MUST be used with a grounded outlet.
IMPORTANT: The outlet being used must be installed and grounded in
accordance with all local codes and ordinances.
2. Make sure the outlet being used has
Plug
the same configuration as the
grounded plug. DO NOT USE AN
Grounded
Outlets
ADAPTER. See illustration.
3. Inspect the plug and cord before each
use. Do not use if there are signs of
damage.
Grounding Pin
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4. If these grounding instructions are not completely understood, or if in
doubt as to whether the compressor is properly grounded, have the
installation checked by a qualified electrician.
IMPROPER GROUNDING CAN RESULT IN ELECTRICAL
SHOCK.
Do not modify the plug provided. If it does not fit the available outlet, a
correct outlet should be installed by a qualified electrician.
Repairs to the cord set or plug MUST be made by a qualified electrician.
Extension Cords
Using extension cords is not recommended. The use of extension cords will
cause voltage to drop resulting in power loss to the motor and overheating.
Instead of using an extension cord, increase the working reach of the air hose
by attaching another length of hose to its end. Attach additional lengths of
hose as needed.
If an extension cord must be used, be sure it is:
•
a 3-wire extension cord that has a 3-blade grounding plug, and a 3-slot
receptacle that will accept the plug on the product
•
•
•
in good condition
no longer than 50 feet
12 gauge (AWG) or larger. (Wire size increases as gauge number
decreases. 10 AWG and 8 AWG may also be used. DO NOT USE 14 OR
16 AWG.)
Voltage and Circuit Protection
Refer to the Parts Manual for the voltage and minimum branch circuit
requirements.
Certain air compressors can be operated on a 15 amp circuit if the following
conditions are met.
1. Voltage supply through branch circuit is 15 amps.
2. Circuit is not used to supply any other electrical needs (lights, appliances, etc.).
3. Extension cords comply with specifications.
4. Circuit is equipped with a 15 amp circuit breaker or 15 amp time delay
fuse. NOTE: If compressor is connected to a circuit protected by fuses,
use only time delay fuses. Time delay fuses should be marked “D” in
Canada and “T” in the US.
If any of the above conditions cannot be met, or if operation of the compressor
repeatedly causes interruption of the power, it may be necessary to operate it
from a 20 amp circuit. It is not necessary to change the cord set.
10- ENG
D28299
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OPERATION
Know Your Air Compressor
READ THIS OWNER’S MANUAL AND SAFETY RULES BEFORE OPERATING
YOUR UNIT. Compare the illustrations with your unit to familiarize yourself with
the location of various controls and adjustments. Save this manual for future
reference.
Description of Operation
Become familiar with these controls before operating the unit.
On/Auto/Off Switch (A): Turn this
B
switch ON to provide automatic power
to the pressure switch and OFF to
remove power at the end of each use.
A
Pressure Switch (B): The pressure
switch automatically starts the motor
when the air tank pressure drops below
the factory set “cut-in” pressure. It stops
the motor when the air tank pressure
reaches the factory set “cut-out”
pressure.
C
E
Safety Valve (C): If the pressure switch does not shut off the air compressor at
its “cut-out” pressure setting, the safety valve will protect against high pressure
by “popping out” at its factory set pressure (slightly higher than the pressure
switch “cut-out” setting).
Outlet Pressure Gauge (D):
The outlet pressure gauge
D
H
indicates the air pressure
available at the outlet side of
the regulator. This pressure is
controlled by the regulator
and is always less than or
equal to the tank pressure.
G
F
Tank Pressure Gauge (E): The tank pressure gauge indicates the reserve air
pressure in the tank.
Regulator (F): Controls the air pressure shown on the outlet pressure gauge.
Pull the knob out and turn clockwise to increase pressure and
counterclockwise to decrease pressure. When the desired pressure is reached
push knob in to lock in place.
Universal Quick-Connect Body (G): The universal quick-connect body
accepts the three most popular styles of quick-connect plugs- Industrial,
automotive (Tru-flate), and ARO. One hand push-to-connect operation makes
connections simple and easy. The two quick connect bodies allow the use of
two tools at the same time.
Remote Console (H): Permits remote air regulation and control closer to work
area, includes two high-flow industrial/automotive style compatible quick-
connects, outlet pressure gauge, and a high-flow regulator.
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Cooling System (not shown): This compressor contains an advanced design
cooling system. At the heart of this cooling system is an engineered fan. It is
perfectly normal for this fan to blow air through the vent holes in large
amounts. You know that the cooling system is working when air is being
expelled.
Air Compressor Pump (not shown: Compresses air into the air tank.
Working air is not available until the compressor has raised the air tank
pressure above that required at the air outlet.
Drain Valve(I): The drain valve is located
at the base of the air tank and is used to
I
drain condensation at the end of each
use.
Check Valve (L): When the air compressor is
operating, the check valve is “open”, allowing
L
compressed air to enter the air tank. When the air
compressor reaches “cut-out” pressure, the check
valve “closes”, allowing air pressure to remain inside
the air tank.
Air Intake Filter (K): This filter is designed to clean air
K
coming into the pump. This filter must always be clean
and ventilation openings free from obstructions. See
"Maintenance".
Pressure Release Valve (M): The pressure release
valve located on the side of the pressure switch, is
designed to automatically release compressed air from
M
the compressor head and the outlet tube when the air
compressor reaches “cut-out” pressure or is shut off.
The pressure release valve allows the motor to restart
freely. When the motor stops running, air will be heard
escaping from this valve for a few seconds. No air
should be heard leaking when the motor is running, or
continuous leaking after unit reaches “cut-out”
pressure.
How to Use Your Unit
How to Stop:
1. Set the On/Auto/Off lever to “OFF”.
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D28299
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Before Starting
Break-in instructions
Serious damage may result if the following break-in
instructions are not closely followed.
This procedure is required before the air compressor is put into service and
when the check valve or a complete compressor pump has been replaced.
1. Make sure the On/Auto/Off lever is in the "OFF" position.
NOTE: If quick connect is installed, pull coupler back until it clicks to prevent
air from escaping through the quick connect.
2. Plug the power cord into the correct branch circuit receptacle. (Refer to
Voltage and Circuit Protection paragraph in the Installation section of this
manual.)
3. Open the drain valve fully (counter-clockwise) to permit air to escape and
prevent air pressure build up in the air tank during the break-in period.
4. Move the On/Auto/Off lever to "ON/AUTO" position. The compressor will
start.
5. Run the compressor for 15 minutes. Make sure the drain valve is open and
there is minimal air pressure build-up in tank.
6. After 15 minutes, close the drain valve (clockwise). The air receiver will fill
to “cut-out” pressure and the motor will stop.
The compressor is now ready for use.
Before Each Start-Up:
1. Place On/Auto/Off lever to “OFF”.
2. Pull regulator knob out, turn counter-clockwise until it stops. Push knob in
to lock in place.
3. Attach hose and accessories. NOTE: The hose or accessory will require a
quick connect plug. To use remote console, see "How to Use Remote
Console" paragraph in this section.
Too much air pressure causes a hazardous risk of
bursting. Check the manufacturer’s maximum pressure
rating for air tools and accessories. The regulator outlet pressure must
never exceed the maximum pressure rating.
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How to Start:
1. Turn the On/Auto/Off lever to “AUTO” and allow tank pressure to build.
Motor will stop when tank pressure reaches “cut-out” pressure.
2. Pull the regulator knob out and turn clockwise to increase pressure. When
the desired pressure is reached push knob in to lock in place. The
compressor is ready for use.
NOTE: Always operate the air compressor in well-ventilated areas free of
gasoline or other combustible vapors. If the compressor is being used to
operate a sprayer DO NOT place near the spray area.
How to Use Remote Console:
When needed the remote console allows remote air regulation and control
closer to the work area.
Reduce air pressure in tank to 60 psi maximum before
removing or connecting portable control panel and when
connecting hose to tank quick-connect coupler.
1. Turn knobs counter clockwise to loosen knobs securing control panel.
2. Slide console up and away from frame, disconnect air hose from quick
connect (a), and remove console.
a
3. Connect air hose (sold separately) to quick connect plug (b) and quick
connect (a). The console can then be brought closer to the work site to
rest on the console brackets (d) or be temporarily mounted using the
mounting hole (c).
c
a
b
d
Can cause serious injury or death. Tank may contain 150
PSI of air pressure. Never connect accessories to
unregulated air. Never operate tools or accessories above marked
maximum pressure.
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MAINTENANCE
Customer Responsibilities
Daily or
after
each
use
Before
each
use
Yearly
Frequently
Check Safety Valve
●
●
Drain Tank
Air Filter
1
●
Air compressor pump intake
and exhaust valves
●
1- more frequent in dusty or humid conditions
Unit cycles automatically when power is on. When
performing maintenance, you may be exposed to voltage
sources, compressed air, or moving parts. Personal injuries can occur.
Before performing any maintenance or repair, disconnect power source
from the compressor and bleed off all air pressure.
To ensure efficient operation and longer life of the air compressor outfit, a
routine maintenance schedule should be prepared and followed. The following
routine maintenance schedule is geared to an outfit in a normal working
environment operating on a daily basis. If necessary, the schedule should be
modified to suit the conditions under which your compressor is used. The
modifications will depend upon the hours of operation and the working
environment. Compressor outfits in an extremely dirty and/or hostile
environment will require a greater frequency of all maintenance checks.
NOTE: See “Operation” section for the location of controls.
To Check Safety Valve
If the safety valve does not work properly, over-
pressurization may occur, causing air tank rupture or an
explosion.
1. Before starting compressor, pull the ring on the safety valve to make sure
that the safety valve operates freely. If the valve is stuck or does not
operate smoothly, it must be replaced with the same type of valve.
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To Drain Tank
1. Set the On/Auto/Off lever to “OFF”.
2. Pull the regulator knob out and turn counterclockwise to set the outlet
pressure to zero.
3. Remove the air tool or accessory.
4. Pull ring on safety valve allowing air to bleed from the tank until tank
pressure is approximately 20 psi. Release safety valve ring.
5. Drain water from air tank by opening drain valve (counter-clockwise) on
bottom of tank.
Water will condense in the air tank. If not drained, water
will corrode and weaken the air tank causing a risk of air
tank rupture.
6. After the water has been drained, close the drain valve (clockwise). The air
compressor can now be stored.
NOTE: If drain valve is plugged, release all air pressure. The valve can then be
removed, cleaned, and reinstalled.
Air Filter Inspection and Replacement
Hot surfaces. Risk of burn. Compressor heads are
exposed when filter cover is removed. Allow compressor
to cool prior to servicing.
Keep the air filter clean at all times. Do not operate the air
compressor with the air filter removed.
A dirty air filter will not allow the compressor pump to operate at full capacity.
Before you use the compressor pump, check the air filter to be sure it is clean
and in place.
If it is dirty, replace it with a new filter.
1. Remove the air filter cover.
2. Remove the air filter from filter cover.
3. Place new air filter into filter cover. Refer to the "Repair Parts" for the
correct part number.
4. Replace air filter cover and lock into place.
Air Compressor Pump Intake and Exhaust Valves
Once a year have a Trained Service Technician check the air compressor pump
intake and exhaust valves.
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SERVICE AND ADJUSTMENTS
Unit cycles automatically when power is on. When doing
Maintenance, you may be exposed to voltage sources,
compressed air or moving parts. Personal injuries can occur. Before
performing any Maintenance or repair, unplug the compressor and bleed
off all air pressure.
ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE TECHNICIAN.
Before servicing:
•
•
•
Unplug or disconnect electrical supply to the air compressor.
Bleed tank of pressure.
Allow the air compressor to cool.
To Replace or Clean Check Valve
1. Release all air pressure from air tank. See “To Drain Tank” in the
Maintenance section.
2. Unplug outfit.
NOTE: If needed the top panel may be removed to make parts accessible.
3. Using an adjustable wrench loosen
Elbow Fitting
Nuts
outlet tube nut at air tank and
pump. Carefully move outlet tube
away from check valve.
Check
Valve
4. Using an adjustable wrench loosen
pressure relief tube nut at air tank
Outlet Tube
and pressure switch. Carefully move
pressure relief tube away from
check valve.
5. Unscrew the check valve (turn
counterclockwise) using a 7/8” open
end wrench. Note the orientation
for reassembly.
Pressure Relief Tube
6. Unscrew elbow fitting from the check valve (turn counterclockwise) using
an adjustable wrench. Note the orientation of the elbow fitting for
reassembly.
7. Using a screwdriver, carefully push the valve disc up and
down. NOTE: The valve disc should move freely up and
down on a spring which holds the valve disc in the
closed position. If not, the check valve needs to be
cleaned or replaced.
8. Clean or replace the check valve. A solvent, such as
paint or varnish remover can be used to clean the check
valve.
9. Apply sealant to the check valve threads. Reinstall the
check valve and elbow fitting (turn clockwise).
Scr
ewdriver
10. Replace the pressure release tube. Tighten nut.
11. Replace the outlet tube and tighten nut.
12. Perform the Break-in Procedure. See “Break-in Procedure” in the
Operation section.
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STORAGE
Before you store the air compressor, make sure you do the following:
1. Review the "Maintenance" section on the preceding pages and perform
scheduled maintenance as necessary.
2. Set the On/Auto/Off lever to "OFF".
3. Turn the regulator counterclockwise and set the outlet pressure to zero.
4. Remove the air tool or accessory.
5. Pull ring on safety valve allowing air to bleed from the tank until tank
pressure is approximately 20 psi. Release safety valve ring.
6. Drain water from air tank by opening drain valve on bottom of tank.
Water will condense in the air tank. If not drained, water
will corrode and weaken the air tank causing a risk of air
tank rupture.
7. After the water has been drained, close the drain or drain valve.
NOTE: If drain valve is plugged, release all air pressure. The valve can then be
removed, cleaned, then reinstalled.
8. Wrap electrical cord onto the cord
wrap as shown.
9. Protect the air hose from damage
(such as being stepped on or run over).
10. Store the air compressor in a clean and
dry location.
18- ENG
D28299
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TROUBLESHOOTING
Performing repairs may expose voltage sources, moving
parts or compressed air sources, moving parts or
compressed air sources. Personal injury may occur. Prior to attempting
any repairs, unplug the air compressor and bleed off all air tank air
pressure.
PROBLEM
CAUSE
CORRECTION
Pressure switch does not
shut off motor when
compressor reaches
“cut-out” pressure.
Move On/Auto/Off lever to
the “OFF” position, if the
outfit does not shut off
contact a Trained Service
Technician.
Excessive tank
pressure - safety
valve pops off.
Pressure switch “cut-out”
too high.
Contact a Trained Service
Technician.
Air leaks at
fittings.
Tube fittings are not tight
enough.
Tighten fittings where air can
be heard escaping. Check
fittings with soapy water
solution. Do Not
Overtighten.
Check valve seat damaged.
A defective check valve
results in a constant air leak
at the pressure release valve
when there is pressure in the
tank and the compressor is
shut off. Replace check
valve. Refer to the “To
Air leaks at or
inside check
valve.
Replace or Clean Check
Valve” in the “Service and
Adjustment” section.
Defective pressure switch
release valve.
Contact a Trained Service
Technician.
Air leaks at
pressure switch
release valve.
Defective air tank.
Air tank must be replaced.
Do not repair the leak.
Air leaks in air
tank or at air
tank welds.
Do not drill into, weld or
otherwise modify air tank
or it will weaken. The tank
can rupture or explode.
Contact a Trained Service
Technician.
Air leaks
between head
and valve plate.
Leaking seal.
19- ENG
D28299
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PROBLEM
CAUSE
CORRECTION
Pressure reading
on the regulated
pressure gauge
drops when an
accessory is
used.
It is normal for “some”
pressure drop to occur.
If there is an excessive
amount of pressure drop
when the accessory is used,
adjust the regulator following
the instructions in the
“Description of Operation”
paragraph in the “Operation
Section.
NOTE: Adjust the regulated
pressure under flow
conditions (while accessory
is being used).
Operate safety valve
manually by pulling on ring.
If valve still leaks, it should
be replaced.
Possible defect in safety
valve.
Knocking Noise.
Defective check valve.
Remove and clean, or
replace.
Prolonged excessive use of
air.
Decrease amount of air
usage.
Compressor is
not supplying
enough air to
operate
Compressor is not large
enough for air requirement.
Check the accessory air
requirement. If it is higher
than the SCFM or pressure
supplied by your air
accessories.
compressor, you need a
larger compressor.
Hole in hose.
Check and replace if
required.
Check valve restricted.
Remove and clean, or
replace.
Air leaks.
Tighten fittings.
Restricted air intake filter.
Clean or replace air intake
filter. Do not operate the air
compressor with the filter
removed. Refer to the “Air
Filter” paragraph in the
“Maintenance “ section.
Regulator knob
has continuous
air leak.
Damaged regulator.
Replace.
20- ENG
D28299
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PROBLEM
CAUSE
Damaged regulator.
CORRECTION
Replace.
Regulator will
not shut off air
outlet.
Motor will not
run.
Motor overload protection
switch has tripped.
Let motor cool off and
overload switch will
automatically reset.
Tank pressure exceeds
pressure switch “cut-in”
pressure.
Motor will start automatically
when tank pressure drops
below “cut-in” pressure of
pressure switch.
Extension cord is wrong
length or gauge.
Check for proper gauge wire
and cord length.
Check valve stuck open.
Remove and clean, or
replace.
Loose electrical connections. Check wiring connection
inside pressure switch and
terminal box area.
Possible defective motor or
starting capacitor.
Have checked by a Trained
Service Technician.
Paint spray on internal motor
parts.
Have checked by a Trained
Service Technician. Do not
operate the compressor in
the paint spray area. See
flammable vapor warning.
Pressure release valve on
pressure switch has not
unloaded head pressure.
Bleed the line by pushing the
lever on the pressure switch
to the “off” position; if the
valve does not open, replace
switch.
Fuse blown, circuit breaker
tripped.
1. Check fuse box for blown
fuse and replace as
necessary. Reset circuit
breaker. Do not use a fuse
or circuit breaker with
higher rating than that
specified for your particular
branch circuit.
2. Check for proper fuse. You
should use a time delay
fuse.
3. Check for low voltage
conditions and/or proper
extension cord.
4. Disconnect the other
electrical appliances from
circuit or operate the
compressor on its own
branch circuit.
21- ENG
D28299
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LIMITED WARRANTY
PORTER-CABLE CORPORATION warrants to the original purchaser that all products covered under this
warranty are free from defects in material and workmanship. Products covered under this warranty include air
compressors, air tools, service parts, pressure washers, and generators, which have the following warranty
periods:
3 YEARS - Limited warranty on 2-stage oil-free air compressor pumps that operate at 1725 RPM.
2 YEARS - Limited warranty on oil-lubricated air compressor pumps.
1 YEAR - Limited warranty on all other air compressor components.
2 YEARS - Limited warranty on electric generator alternators.
1 YEAR - Limited warranty on other generator components.
2 YEARS - Limited warranty on pneumatic air tools as described in Porter-Cable general catalog.
1 YEAR - Limited warranty on pressure washers used in consumer applications (i.e. personal residential
household usage only).
90 DAY - Pressure washers used for commercial applications (income producing) and service parts.
1 YEAR - Limited warranty on all accessories.
Porter-Cable will repair or replace, at Porter-Cable's option, products or components which have failed
within the warranty period. Service will be scheduled according to the normal work flow and business
hours at the service center location, and the availability of replacement parts. All decisions of Porter-
Cable Corporation with regard to this limited warranty shall be final.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to
state.
RESPONSIBILITY OF ORIGINAL PURCHASER (initial User):
•
To process a warranty claim on this product, DO NOT return it to the retailer. The product must be
evaluated by a Porter-Cable Authorized Warranty Service Center. For the location of the nearest Porter-
Cable Authorized Warranty Service Center call 1-888-559-8550, 24 hours a day, 7 days a week.
Retain original cash register sales receipt as proof of purchase for warranty work.
Use reasonable care in the operation and maintenance of the product as described in the Owners
Manual(s).
•
•
•
•
Deliver or ship the product to the nearest Porter-Cable Authorized Warranty Service Center. Freight costs,
if any, must be paid by the purchaser.
Air compressors with 60 and 80 gallon tanks will be inspected at the site of installation. Contact the
nearest Porter-Cable Authorized Warranty Service Center that provides on-site service calls, for service
call arrangements.
•
If the purchaser does not receive satisfactory results from the Porter-Cable Authorized Warranty Service
Center, the purchaser should contact Porter-Cable.
THIS WARRANTY DOES NOT COVER:
•
•
Merchandise sold as reconditioned, used as rental equipment, and floor or display models.
Merchandise that has become damaged or inoperative because of ordinary wear, misuse*, cold, heat, rain,
excessive humidity, freeze damage, use of improper chemicals, negligence, accident, failure to operate
the product in accordance with the instructions provided in the Owners Manual(s) supplied with the
product, improper maintenance, the use of accessories or attachments not recommended by Porter-
Cable, or unauthorized repair or alterations.
* An air compressor that pumps air more than the recommended duty cycle during a one hour period may
be considered misuse.
•
•
•
Repair and transportation costs of merchandise determined not to be defective.
Costs associated with assembly, required oil, adjustments or other installation and start-up costs.
Expendable parts or accessories supplied with the product which are expected to become inoperative or
unuseable after a reasonable period of use, including but not limited to sanding disks or pads, saw and
shear blades, grinding stones, springs, chisels, nozzles, o-rings, air jets, washers and similar accessories.
Merchandise sold by Porter-Cable which has been manufactured by and identified as the product of
another company, such as gasoline engines. The product manufacturer's warranty, if any, will apply.
ANY INCIDENTAL, INDIRECT OR CONSEQUENTIAL LOSS, DAMAGE, OR EXPENSE THAT MAY
RESULT FROM ANY DEFECT, FAILURE OR MALFUNCTION OF THE PRODUCT IS NOT COVERED BY
THIS WARRANTY. Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitation or exclusion may not apply to you.
•
•
•
IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE, ARE LIMITED TO ONE YEAR FROM THE DATE OF ORIGINAL PURCHASE.
Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may
not apply to you.
Porter-Cable Corporation
Jackson, TN USA
1-888-559-8550
22- ENG
D28299
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