Instruction
manual
ESPAÑOL: PÁGINA 29
FRANÇAIS: PAGE 57
MODEL
CPL6025
Oillube Single-Stage
Portable 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.
Part No. D24938-044-2
Copyright © 2004 Porter-Cable Corporation
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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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D24938
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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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D24938
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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D24938
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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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D24938
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
D24938
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SPECIFICATIONS
Model No.
CPL6025
Horsepower Peak
Bore
Stroke
6.0
2.875
2.0
* Voltage-Single Phase
** Minimum Branch Circuit Requirement
* Fuse Type
Air Tank Capacity (Gallon)
Approximate Cut-in Pressure
Approximate Cut-out Pressure
SCFM @ 40 PSIG
120/240
15 amps
Time Delay
25 ASME
110 PSIG
135 PSIG
8.6
SCFM @ 90 PSIG
6.8
GLOSSARY
When the tank pressure drops to a
certain low level the motor will restart
automatically. The low pressure at
which the motor automatically
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.
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.
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.
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
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.
compressor, it is recommended that a
ACCESSORIES
Accessories for this unit are available at the store the unit was purchased.
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D24938
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ASSEMBLY
3. Slowly push the open ends of
Tools Required for Assembly
1 - 9/16" socket or open end wrench
1 - 1/2" socket or open end wrench
the handle onto both tabs at the
same time. Continue pushing the
handle into the saddle until the
holes on the side of the saddle
and handle are in line.
Unpacking
1. Remove unit from carton and
discard all packaging. NOTE:
Save all parts bags.
To Install Handle
The wheels and
handle do not
provide adequate clearance,
stability, or support for pulling the
unit up and down stairs or steps.
The unit must be lifted or pushed
up a ramp. Do not lift the unit by
the manifold assembly, the unit
could be damaged.
4. Guide the straight end of each
retaining clip through the saddle
hole and both handle holes.
1. To make installation easier,
submerge handle grip into warm
soapy water. Remove handle
grip from soapy water and slide
onto handle.
2. Insert the open end of the handle
under the saddle. Before
attaching handle, you may have
to pull the open ends of the
handle apart so they fit tightly
against the side of the saddle.
Looking in from the open end of
the saddle, position the handle
toward the two bent tabs, on the
inside walls of the saddle.
5. Rotate each retaining clip and
press down until it snaps into
place over the handle.
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D24938
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6. If the handle has excessive
movement, it is improperly
The wheels and
handle do not
provide adequate clearance,
stability or support for pulling the
unit up and down stairs or steps.
The unit must be lifted, or pushed
up a ramp.
installed. Check the following.
A. Are both tabs inside the
handle (Step #3)?
B. Does each clip pass through
both the saddle and handle
(Step #4)?
Assemble Rubber Feet
To Assemble Wheels
1. Attach rubber feet with the
screws, washers, and nuts
provided as shown.
It will be necessary
to brace or support
one side of the unit when installing
the wheels because the
compressor will have a tendency to
tip.
2. Tighten securely.
1. Attach wheels with shoulder
bolts and nuts as shown.
Nut
Flat
Washer
Wheel
Nut
Rubber Foot
Screw
Shoulder Bolt
2. Tighten securely. NOTE: The unit
will sit level if the wheels are
properly installed.
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D24938
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1. Place unit on a level surface.
To Add Oil To Pump
Risk from Flying
Object. Drain tank
to release air pressure before
removing the dipstick. See "To
Drain Tank" in the Maintenance
section.
2. Remove oil fill plug (A) and slowly
add a compressor oil until it is
even with the top of the oil fill
hole. NOTE: Do not allow oil to
be lower than 3/8" (6 threads)
from the top at any time. When
filling the crankcase, the oil flows
very slowly into the pump. If the
oil is added too quickly, it will
overflow and appear to be full.
NOTE: Crankcase oil capacity is
approximately 16 fluid ounces.
Compressors are
shipped without
oil. A small amount of oil may be
present in the pump upon receipt
of the air compressor. This is due
to plant testing and does not mean
the pump contains oil. Do not
attempt to operate this air
compressor without first adding oil
to the crankcase. Serious damage
can result from even limited
operation unless filled with oil and
broken in correctly. Make sure to
closely follow initial start-up
procedures.
Multi-Viscosity
motor oils, like
10W 30, should not be used in an
air compressor. They leave carbon
deposits on critical components,
thus reducing performance and
compressor life. Use air
compressor oil only.
NOTE: Oil is included with some
units. If oil is not included, use an oil
specifically formulated for use in an
air compressor, such as Porter-Cable
PAS1 air compressor oil. Oil may be
found at the store where the air
compressor was purchased.
A
3. Replace oil fill plug.
11- ENG
D24938
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INSTALLATION
IMPORTANT: The outlet being used
HOW TO SET UP YOUR
UNIT
must be installed and grounded in
accordance with all local codes and
ordinances.
Location of the Air Compressor
G
Locate the air compressor in a
2. Make sure the outlet being used
has the same configuration as
the grounded plug. DO NOT
USE AN ADAPTER. See
illustration.
clean, dry, and well ventilated
area.
G
Place on a solid surface to
prevent rocking or tipping.
G
The air compressor should be
located at least 12" away from
the wall or other obstructions
that will interfere with the flow of
air.
Plug
Grounded
Outlets
G
The air filter must be kept clear
of obstructions which could
reduce air flow to the air
compressor.
Grounding Pin
3. Inspect the plug and cord before
each use. Do not use if there
are signs of damage.
G
The air compressor requires
fresh air flow for proper cooling.
DO NOT ALLOW THE
COMPRESSOR TO GET WET.
4. If these grounding instructions
are not completely understood,
or if in doubt as to whether the
compressor is properly
GROUNDING
INSTRUCTIONS
grounded, have the installation
checked by a qualified
electrician.
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).
Risk of Electrical
Shock. 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.
1. The cord set and plug with this
unit contains a grounding pin.
This plug MUST be used with a
grounded outlet.
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D24938
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2. Circuit is not used to supply any
other electrical needs.
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.
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 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
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.
•
•
•
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.)
120/240 Dual Voltage Motor
This model has a dual voltage motor,
120 and 240 volt. It is wired for 120
volt but can be converted to 240 volt
operation. Instructions for connecting
the motor for operation at 240 volt
can be found printed on the label
attached to the side of the motor.
Voltage and Circuit Protection
Refer to the specification chart for the
voltage and minimum branch circuit
requirements.
When converting to
240V operation, the
Certain air
compressors can
attached three-prong 120V cord
assembly must be replaced with a
three-pronged 240V cord assembly
(K-0080) that can be purchased
through a Authorized Service
Center.
be operated on a 15 amp circuit if
the following conditions are met.
1. Voltage supply to circuit must
comply with the National
Electrical Code.
120 Volt Plug
240 Volt Plug
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D24938
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.
On/Auto/Off
Switch
Tank
Pressure Gauge
Outlet
Pressure
Gauge
Pressure
Switch
Quick
Connect
Check
Valve
Regulator
Pressure
Release
Valve
Safety Valve
Outlet Pressure Gauge: The outlet
pressure gauge 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.
Regulator: 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.
Cooling System (not shown): This
compressor contains an advanced
design cooling system. At the heart
of this cooling system is an
Description of Operation
Become familiar with these controls
before operating the unit.
On/Auto/Off Lever: Turn this switch
to "On/Auto" to provide automatic
power to the pressure switch and
"Off" to remove power at the end of
each use.
Pressure Switch: 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.
Safety Valve: 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).
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.
Tank Pressure Gauge: The tank
pressure gauge indicates the reserve
air pressure in the tank.
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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.
Air Intake Filter (not shown): This
filter is designed to clean air coming
into the pump. This filter must always
be clean and ventilation openings
free from obstructions. See
"Maintenance".
Drain Valve:
The drain valve
is located at the
How to Use Your Unit
How to Stop:
base of the air
tank and is used
to drain
Drain
Valve
1. Set the On/Auto/Off lever to
"Off".
condensation at the end of each use.
Before Starting
Break-in Procedure
Risk of Unsafe
Operation. 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.
2. Check oil level in pump. See
"Oil" paragraph in the
"Maintenance" section for
instructions.
3. Plug the power cord into the
correct branch circuit receptacle.
(Refer to Voltage and Circuit
Protection paragraph in the
Installation section of this
manual.)
Check Valve: When the air
compressor is operating, the check
valve is "open", allowing 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.
Pressure Release Valve: The
pressure release valve located on the
side of the pressure switch, is
designed to automatically release
compressed air from 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 after the unit
reaches "cut-out" pressure.
Motor Overload Protector (not
shown): The motor has an automatic
reset thermal overload protector. If
the motor overheats for any reason,
the overload protector will shut off
the motor. The motor must be
allowed to cool down before
restarting. The compressor will
automatically restart after the motor
cools.
4. Open the drain
valve fully to
permit air to
escape and
Open Drain
prevent air
Valve
pressure build up
in the air tank during the break-
in period.
5. Move the On/Auto/Off lever to
"On/Auto" position. The
compressor will start.
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6. Run the compressor for 20
minutes. Make sure the drain
valve is open and there is
minimal air pressure build-up in
tank.
7. After 20 minutes,
close the drain
Risk of Bursting.
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.
valve. The air
receiver will fill to
"cut-out" pressure
and the motor will
stop.
Closed Drain
How to Start:
Valve
1. Turn the On/Auto/Off lever to
"On/Auto" and allow tank
pressure to build. Motor will
stop when tank pressure
The compressor is now ready for use.
Before Each Start-Up:
1. Place On/Auto/Off lever to "Off".
reaches "cut-out" pressure.
2. Pull the regulator knob out and
turn counterclockwise to set the
outlet pressure to zero.
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.
3. Attach hose and accessories.
The compressor is ready for use.
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MAINTENANCE
Customer Responsibilities
Daily or
after
each
use
Before
each
use
Every
100
hours
Every Every
40
hours hours
Every
160
hours
Yearly
8
●
Check Safety Valve
Drain Tank
●
●
●
Oil Leaks
Check Oil
Change Oil
●
Unusual Noise and/or
Vibration
●
1
Air Filter
●
Drive Belt-Condition
Motor Pulley/Flywheel alignment
●
●
Air compressor pump intake
and exhaust valves
●
Head Bolts - Check the torques of the head bolts after the first five hours of operation.
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 above
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.
1. Before starting compressor, pull
To Check Safety Valve
the ring on the safety valve to
If the safety valve
make sure that the safety valve
does not work
operates freely. If the valve is
properly, over-pressurization may
stuck or does not operate
occur, causing air tank rupture or
smoothly, it must be replaced
an explosion.
with the same type of valve.
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To Drain Tank
Oil
NOTE: Use an oil specifically
formulated for use in an air
NOTE: Operation of the air
compressor will cause condensation
to build up in the air tank. Always
drain tank on a washable surface or
in a suitable container to prevent
damaging or staining surfaces.
1. Set the On/Auto/Off lever to
"Off".
compressor, such as Porter-Cable
PAS1 air compressor oil. Oil may be
found at the store where the air
compressor was purchased.
NOTE: Crankcase oil capacity is
approximately 16 fluid ounces.
Checking
2. Pull the regulator knob out and
turn counterclockwise to set the
outlet pressure to zero.
1. Remove the oil fill
plug (A). The oil
level should be
even with the top
of the fill hole and
no lower than 6
threads from the
A
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.
top of fill hole.
B
2. If needed, slowly
add oil until it
reaches the top of fill hole.
Changing
1. Remove the oil fill plug (A).
2. Remove the oil drain plug (B) and
drain oil into a suitable container.
5. Drain water from
air tank by
opening drain
valve on bottom of
tank.
Open Drain
Valve
Risk of Bursting.
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.
3. Replace the oil drain plug (B) and
tighten securely.
4. Slowly fill crankcase to the top of
the fill hole. NOTE: When filling
the crankcase, the oil flows very
slowly into the pump. If the oil is
added too quickly, it will overflow
and appear to be full.
6. After the water has
been drained,
close the drain
valve. The air
compressor can
now be stored.
Risk of Unsafe
Operation.
Overfilling with oil will cause
premature compressor failure. Do
not overfill.
Closed Drain
Valve
NOTE: If drain valve is
plugged, release all air pressure. The
valve can then be removed, cleaned,
then reinstalled.
5. Replace oil fill plug (A) and
tighten securely.
18- ENG
D24938
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Air Filter - Inspection and
Replacement
To Replace Belt
Serious injury or
damage may occur
if parts of the body or loose items
get caught in moving parts. Never
operate the unit with the belt guard
removed. The belt guard should be
removed only when the
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.
compressor is unplugged.
1. Place the On/Auto/Off lever in
the "Off" position.
2. Unplug compressor.
A dirty air filter will not allow the
compressor pump to operate at full
capacity. Before using the
compressor pump, check the air filter
to make sure it is clean and in place.
3. Remove the front of the belt
guard by disengaging the snaps.
Insert a flat bladed screwdriver at
each snap location and pry the
beltguard apart.
If it is dirty, replace it with a new filter.
4. Loosen the wing nut on hold
down plate and tilt motor to
allow for easy removal or
installation of the belt.
1. Using a pair of needle nose
pliers or a screwdriver pull or pry
out the old filter and carefully
clean the filter area.
2. Push the new air filter (Part
number 267-17) in place.
IMPORTANT: Do not operate the
compressor with the air filter
removed.
Wing Nut
5. Remove belt.
6. Replace belt. NOTE: The belt
must be centered over the
grooves on the flywheel and
motor pulley.
7. Turn the wing nut on the hold
down plate until it makes contact
with the washer, plus one
additional turn.
8. Replace the belt guard.
19- ENG
D24938
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7. Visually inspect the motor drive
pulley to verify that it is
Motor Pulley/Flywheel
Alignment
NOTE: Once the motor pulley has
been moved from its factory set
location, the grooves of the flywheel
and pulley must be aligned to within
1/16" to prevent excessive belt wear.
The air compressor flywheel and
motor pulley must be in-line (in the
same plane) within 1/16" to assure
belt retention within flywheel belt
grooves. To check alignment,
perform the following steps:
1. Turn air compressor off, lock out
the power supply, and relieve all
air pressure from the air tank.
perpendicular to the drive motor
shaft. Points B1 and B2 of Figure
should appear to be equal. If
they are not, loosen the setscrew
of the motor drive pulley and
equalize B1 and B2, using care
not to disturb the belt alignment
performed in step 2.
8. Retighten the motor drive pulley
setscrew. See Parts manual for
torque specifications.
9. Reinstall belt guard.
Air Compressor Pump
Intake and Exhaust Valves
2. Remove belt guard
Once a year have a Trained Service
Technician check the air compressor
pump intake and exhaust valves.
3. Place a straightedge against the
outside of the flywheel and the
motor drive pulley.
4. Measure the distance between
the edge of the belt and the
straightedge at points A1 and A2
in figure. The difference
Air compressor Head Bolts -
Torquing
The air compressor pump head bolts
should be kept properly torqued.
Check the torques of the head bolts
after the first five hours of operation.
Retighten if necessary. See Parts
manual for torque specifications.
between measurements should
be no more than 1/16".
5. If the difference is greater than
1/16" loosen the set screw
holding the motor drive pulley to
the shaft and adjust the pulley’s
position on the shaft until the A1
and A2 measurements are within
1/16" of each other.
6. Tighten the motor drive pulley
set screw. See Parts manual for
torque specifications.
20- ENG
D24938
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SERVICE AND ADJUSTMENTS
ALL MAINTENANCE AND REPAIR
5. Unscrew the check valve (turn
counterclockwise) using a 7/8"
open end wrench. Note the
orientation for reassembly.
OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE
TECHNICIAN.
6. 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.
Risk of Unsafe
Operation. Unit
cycles automatically when power is
on. When servicing, you may be
exposed to voltage sources,
compressed air, or moving parts.
Before servicing unit unplug or
disconnect electrical supply to the
air compressor, bleed tank of
pressure, and 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.
Screwdriver
In open
position
nothing is
visible.
In closed position
disc is visible.
2. Unplug air compressor.
7. Clean or replace the check valve.
A solvent, such as paint or
3. Using an adjustable wrench
loosen outlet tube nut at air tank
and pump. Carefully move outlet
tube up away from check valve.
varnish remover can be used to
clean the check valve.
8. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
9. Replace the pressure release
tube. Tighten nuts.
Outlet Tube
Pressure
Relief Tube
10. Replace the outlet tube and
tighten nuts.
Nuts
11. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
Check
Valve
Nuts
4. Using an adjustable wrench
loosen pressure relief tube nut at
air tank and pressure switch.
Carefully move pressure relief
tube away from check valve.
21- ENG
D24938
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d. It is now possible to remove
regulator.
5. Apply pipe sealant tape to the
nipple.
6. Assemble the regulator and
orient as shown in figure.
NOTE: Arrow indicates flow of air.
Make sure it is pointing in the
direction of air flow.
To Replace Regulator
1. Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2. Unplug air compressor.
3. Remove the outlet pressure
gauge, tank pressure gauge, and
quick connect (if equipped) from
the regulator.
4. Remove the regulator. NOTE: If
regulator comes in contact with
tank and is unable to be
Regulator
removed follow these steps:
a. Using an adjustable wrench
loosen pressure relief tube
nut at air tank and pressure
switch.
Arrow
b. Lift retaining clip from handle
and remove handle.
7. Reapply pipe sealant to outlet
pressure gauge, tank pressure
gauge, and quick connect.
Retaining clip
8. Reassemble outlet pressure
gauge, tank pressure gauge, and
quick connect. Orient outlet
pressure gauge and tank
pressure gauge to read correctly.
Tighten quick connect with
wrench.
9. If necessary, rotate pressure
switch assembly into correct
position.
Handle
c. Using an adjustable wrench,
rotate the pressure switch
assembly as shown.
10. If necessary, tighten pressure
relief tube nuts at air tank and
pressure switch.
11. If necessary, replace handle.
Refer to Handle Assembly
paragraph in the Assembly
section.
Tank
Pressure
Gauge
Regulator
Outlet
Pressure
Gauge
Quick
Connect
22- ENG
D24938
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STORAGE
Risk of Bursting.
Water will
Before you store the air compressor,
make sure you do the following:
condense in the air tank. If not
drained, water will corrode and
weaken the air tank causing a risk
of air tank rupture.
1. Review the "Maintenance"
section on the preceding pages
and perform scheduled
maintenance as necessary.
7. After the water has been drained,
close the drain or drain valve.
2. Set the On/Auto/Off lever to
"Off" and unplug unit.
NOTE: If drain valve is plugged,
release all air pressure. The valve
can then be removed, cleaned, then
reinstalled.
3. Turn the regulator
counterclockwise and set the
outlet pressure to zero.
4. Remove the air tool or
accessory.
8. Protect the electrical cord and air
hose from damage (such as
being stepped on or run over).
Wind them loosely around the
compressor handle.
5. Pull ring on safety valve allowing
air to bleed from the tank until
tank pressure is approximately
20 psi. Release safety valve ring.
9. Store the air compressor in a
clean and dry location.
6. Drain water from air tank by
opening drain valve on bottom of
tank.
23- ENG
D24938
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TROUBLESHOOTING
Performing repairs may expose voltage 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.
CORRECTION
CAUSE
PROBLEM
Excessive tank
pressure -
safety valve
pops off.
Pressure switch does not
shut off motor when
compressor reaches "cut-
out" pressure.
Move On/Auto/Off lever to
the "Off" position, if the unit
does not shut off contact a
Trained Service Technician.
Contact a Trained Service
Technician.
Pressure switch "cut-out"
too high.
Tighten fittings where air can
be heard escaping. Check
fittings with soapy water
solution. DO NOT OVER
TIGHTEN.
Air leaks at
fittings.
Tube fittings are not tight
enough.
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 the "To Replace
or Clean Check Valve" in the
"Service and Adjustments"
section.
Air leaks at or
inside check
valve.
Check valve seat damaged.
Air leaks at
pressure switch
release valve.
Defective pressure switch
release valve.
Contact a Trained Service
Technician.
Air tank must be replaced.
Do not repair the leak.
Do not drill
Air leaks in air
tank or at air
tank welds.
Defective air tank.
into, weld
or otherwise modify air
tank or it will weaken. The
tank can rupture or
explode.
Leaking seal.
Contact a Trained Service
Technician.
Air leaks
between head
and valve plate.
24- ENG
D24938
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PROBLEM
CORRECTION
CAUSE
If there is an excessive amount
of pressure drop when the
accessory is used, adjust the
regulator as instructed in the
Operation section.
NOTE: Adjust the regulated
pressure under flow conditions
(while accessory is being
used).
It is normal for "some"
pressure drop to occur.
Pressure reading
on the regulated
pressure gauge
drops when an
accessory is
used.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Air leak from
safety valve.
Possible defect in safety
valve.
Decrease amount of air usage.
Prolonged excessive use of
air.
Compressor is not large
enough for air requirement.
Compressor is
not supplying
enough air to
operate
Check the accessory air
requirement. If it is higher than
the SCFM or pressure supplied
by your air compressor, you
need a larger compressor.
Check and replace if required.
accessories.
Hole in hose.
Remove and clean, or replace.
Tighten fittings.
Check valve restricted.
Air leaks.
Clean or replace air intake
filter. Do not operate the air
compressor with the filter
removed. Refer to the "Air
Filter" paragraph in the
Restricted air intake filter.
"Maintenance " section.
Loosen wingnut and then
tighten wingnut until it contacts
the washer, plus one turn.
Loose belt.
Clean or replace. See Air Filter
paragraph in the Maintenance
section.
Restricted air
intake.
Dirty air filter.
Regulator knob Damaged regulator.
has continuous
Replace.
air leak.
Damaged regulator.
Replace.
Regulator will
not shut off air
outlet.
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D24938
PROBLEM
CORRECTION
CAUSE
Let motor cool off and
overload switch will
automatically reset.
Motor will not
run.
Motor overload protection
switch has tripped.
Motor will start automatically
when tank pressure drops
below "cut-in" pressure of
pressure switch.
Tank pressure exceeds
pressure switch "cut-in"
pressure.
Remove and clean, or replace.
Check valve stuck open.
Extension cord is wrong
length or gauge.
Check for proper gauge wire
and cord length.
Possible defective motor
or starting capacitor.
Have checked by a Trained
Service Technician.
Have checked by a Trained
Service Technician. Do not
operate the compressor in the
paint spray area. See
Paint spray on internal
motor parts.
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.
26- ENG
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CORRECTION
PROBLEM
CAUSE
Knocking Noise. Possible defect in safety
valve.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Defective check valve.
Loose pulley.
Remove and clean, or replace.
Tighten pulley set screw, see
Parts manual for torque
specifications.
Loose flywheel.
Tighten flywheel screw, see
Parts manual for torque
specifications.
Compressor mounting
screws loose.
Tighten mounting screws,see
Parts manual for torque
specifications.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Loose belt.
Carbon build-up in pump.
Belt to tight.
Have checked by a Trained
Service Technician.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Excessive belt
wear.
Loose belt.
Tight belt.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Loose pulley.
Have checked by a Trained
Service Technician.
See Motor Pulley/Flywheel
Alignment paragraph in the
Maintenance section.
Pulley misalignment.
Squealing
sound.
See Oil-Checking paragraph in
the Maintenance section.
Compressor pump has no
oil.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Loose belt.
27- ENG
D24938
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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
28- ENG
D24938
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