Porter Cable Air Compressor C3150 User Manual

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.  
3- ENG  
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.  
4- ENG  
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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.  
5- ENG  
D28299  
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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.  
6- ENG  
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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  
7- ENG  
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  
9- ENG  
D28299  
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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.  
11- ENG  
D28299  
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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”.  
12- ENG  
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.  
13- ENG  
D28299  
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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.  
14- ENG  
D28299  
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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.  
15- ENG  
D28299  
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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.  
16- ENG  
D28299  
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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.  
17- ENG  
D28299  
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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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