Craftsman 919.165612 User manual

Permanently Lubricated
Twin V
2-Stage
Stationary
AIR COMPRESSOR
Model No.
919.165612
Owner’s Manual
• Safety Guidelines
• Assembly
• Operation
• Maintenance
• Troubleshooting
• Repair Parts
CAUTION: Read the Safety Guidelines
and All Instructions Carefully Before
Operating.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Visit our Craftsman website: www.sears.com/craftsman
A13568 Rev. 0 08/1/05

2- ENG
A13568
TABLE OF CONTENTS
WARRANTY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SPECIFICATION CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SAFETY GUIDELINES-DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
IMPORTANT SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . 3-8
GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
DUTY CYCLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-15
MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-17
SERVICE AND ADJUSTMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-22
REPAIR PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-27
REPAIR PROTECTION AGREEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . 51
HOW TO ORDER REPAIR PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
WARRANTY
FULL ONE YEAR WARRANTY AIR COMPRESSOR
If this CRAFTSMAN Air Compressor fails due to a defect in material or
workmanship within one year from the date of purchase, Sears will at
its option repair or replace it free of charge. Contact your nearest Sears
Service Center (1-800-4-MY-HOME®) to arrange for repair, or return the Air
Compressor to the place of purchase for replacement.
If this Air Compressor is used for commercial or rental purposes, this warranty
applies for only ninety days from the date of purchase.
This warranty gives you specific legal rights and you may have other rights
which vary from state to state.
Sears, Roebuck and Co., Dept. 817WA, Hoffman Estates, IL 60179

3- ENG A13568
SPECIFICATION CHART
Model No. 919.165612
Running HP 2.9
Bore 2.375
Stroke-High Pressure .54"
Low Pressure 1.45"
Voltage-Single Phase 240/60/1
Minimum Branch Circuit Requirement 15 amps
Fuse Type Time Delay
Air Tank Capacity - Gallons 60
Approximate Cut-in Pressure 145
Approximate Cut-out Pressure 175
SCFM@ 40 psig 9.6
SCFM@ 90 psig 9.0
Refer to Glossary for abbreviations.
SAFETY GUIDELINES - DEFINITIONS
Indicates an
imminently hazardous
situation which, if not avoided, will result
in death or serious injury.
Indicates a potentially
hazardous situation
which, if not avoided, could result in
death or serious injury.
Indicates a potentially
hazardous situation
which, if not avoided, may result in minor
or moderate injury.
Used without the
safety alert symbol
indicates a potentially hazardous situation
which, if not avoided, may result in
property damage.
This manual contains information that is important for you to know and
understand. This information relates to protecting YOUR SAFETY and
PREVENTING EQUIPMENT PROBLEMS. To help you recognize this
information, we use the symbols below. Please read the manual and pay
attention to these symbols.
IMPORTANT SAFETY INSTRUCTIONS
Some dust created by power sanding, sawing, grinding,
drilling, and other construction activities contains
chemicals known (to the State of California) to cause cancer, birth defects
or other reproductive harm. Some example of these chemicals are:
• lead from lead-based paints
• crystalline silica from bricks and cement and other masonry products
• arsenic and chromium from chemically-treated lumber
Your risk from these exposures varies, depending on how often you do
this type of work. To reduce your exposure to these chemicals: work in
a well ventilated area, and work with approved safety equipment, always
wear MSHA/NIOSH approved, properly fitting face mask or respirator when
using such tools.
When using air tools, basic safety precautions should always be followed
to reduce the risk of of personal injury.

4- ENG
A13568
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
How To Prevent It
What Could Happen
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.
Restricting any of the compressor
ventilation openings will cause serious
overheating and could cause fire.
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 operate the compressor in a
well ventilated area free of combustible
materials, gasoline, or solvent vapors.
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.
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.
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.

5- ENG A13568
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.
How To Prevent It
What Could Happen
WARNING: Risk from Flying Objects
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.
Always wear ANSI Z87.1 approved
safety glasses with side shields when
using the compressor.
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.
HAZARD
HAZARD
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.
Unauthorized modifications to the
unloader valve, safety valve, or any
other components which control tank
pressure.
Never drill into, weld, or make any
modifications to the tank or its
attachments.
Excessive vibration can weaken the
air tank and cause rupture or
explosion
The tank is designed to withstand specific
operating pressures. Never make
adjustments or parts substitutions to
alter the factory set operating
pressures.
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 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.
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.
How To Prevent It
What Could Happen

6- ENG
A13568
WARNING: Risk to Breathing
WARNING: Risk of Electrical Shock
HAZARD
HAZARD
Your air compressor is powered by
electricity. Like any other electrically
powered device, If it is not used
properly it may cause electric shock.
Repairs attempted by unqualified
personnel can result in serious injury
or death by electrocution.
Electrical Grounding: Failure to provide
adequate grounding to this product
could result in serious injury or death
from electrocution.
See grounding instructions.
Never operate the compressor outdoors
when it is raining or in wet conditions.
Never operate compressor with
protective covers removed or damaged.
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.
Make certain that the electrical circuit
to which the compressor is connected
provides proper electrical grounding,
correct voltage and adequate fuse
protection.
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.
How To Prevent It
What Could Happen
How To Prevent It
What Could Happen
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.

7- ENG A13568
WARNING: Risk of Burns
Touching exposed metal such as the
compressor head or outlet tubes, can
result in serious burns.
Never touch any exposed metal parts
on compressor during or immediately
after operation. Compressor will remain
hot for several minutes after operation.
Do not reach around protective shrouds
or attempt maintenance until unit has
been allowed to cool.
WARNING: Risk from Moving Parts
Never operate the compressor with
guards or covers which are damaged or
removed.
Moving parts such as the pulley,
flywheel, and belt can cause serious
injury if they come into contact with you
or your clothing.
WARNING: Risk of Falling
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.
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.
HAZARD
HAZARD
HAZARD
Any repairs required on this product
should be performed by authorized
service center personnel.
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.
How To Prevent It
What Could Happen
How To Prevent It
What Could Happen
How To Prevent It
What Could Happen

8- ENG
A13568
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.
WARNING: Risk of Unsafe Operation
Unsafe operation of your air compressor
could lead to serious injury or death to
you or others.
HAZARD
WARNING: Risk of Serious Injury or Property Damage
When Transporting Compressor
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.
(Fire, Inhalation, Damage to Vehicle Surfaces)
HAZARD
SAVE THESE INSTRUCTIONS
How To Prevent It
What Could Happen
How To Prevent It
What Could Happen

9- ENG A13568
GLOSSARY
ACCESSORIES
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.
Accessories
• In Line Filter
• Tire Air Chuck
• Quick Connector Sets
(various sizes)
Refer to the selection chart located
on the unit to select the tools this unit
is capable of powering.
The accessories and tools are
available through the current Power
and Hand Tool Catalog or full-line
Sears stores.
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.
• Air Pressure Regulators
• Oil Fog Lubricators
• Air Hose:
1/4", 3/8" OR 1/2" I.D.
in various lengths
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.

10- ENG
A13568
The air compressor MUST be bolted
to a solid, level surface.
Hardware needed:
4 - Concrete anchors
4 - 3/8" Lag screw to fit
concrete anchors (not
supplied)
4 - 5/8" Washer (found in parts
bag) shims (if needed)
1. Place the air compressor on on a
solid, level surface.
2. Mark the surface using the holes
in the air compressor feet as a
template.
3. Drill holes in the surface for
the concrete anchors. Install
concrete anchors.
4. Line-up holes in surface with
holes in air compressor feet.
INSTALLATION
HOW TO SET UP YOUR UNIT
Location of the Air Compressor
• Locate the air compressor in a
clean, dry, and well ventilated
area.
• Located the air compressor at
least 12" away from the wall
or other obstructions that will
interfere with the flow of air.
• Locate the air compressor as
close to the main power supply
as possible to avoid using long
lengths of electrical wiring.
NOTE: Long lengths of electrical
wiring could cause power loss to
the motor.
• The air filter must be kept
clear of obstructions which
could reduce air flow to the air
compressor.
Anchoring of the Air
Compressor
Risk of Unsafe
Bursting. Excessive
Vibration can weaken the air tank
and cause an explosion. The
compressor must be properly
mounted.
3/8" Lag
Screw
(not supplied)
5/8" Washer
(supplied)
Shim Under
Washer
(not supplied) Concrete Anchor
(not supplied)
Surface Line
ASSEMBLY
Tools Required for Assembly
1 - 9/16" socket or open end wrench
Electric drill
Unpacking
1. Remove all packaging.
Risk of Unsafe
Opertation. It
may be necessary to brace or
support one side of the unit when
removing the pallet because the air
compressor will have a tendency
to tip.
2. Remove and discard the (4)
screws and washers holding the
compressor to the pallet.
3. With the help of another person
carefully remove air compressor
from pallet and place on a level
surface.
Contents of Carton
1 - Air Compressor
1 - Parts bag containing:
1 - Operator’s Manual
1 - Parts Manual
4 - 5/8" Washers

11- ENG A13568
5. Place the (4) washers (supplied)
between the floor and air
compressor feet. If needed, solid
shims may be placed between
the washers and floor to evenly
distribute weight on all four feet.
See next figure.
6. Place the (4) 3/8" lag screws
through the air compressor feet,
washers, shims, and into the
anchors.
7. Torque 3/8" lag screws to 7-10
ft.-lbs.
Wiring Instructions
RISK OF
ELECTRICAL
SHOCK. Improper electrical
grounding can result in electrical
shock. The wiring should be done
by a qualified electrician
A qualified electrician needs to knows
the following before wiring:
1. The amperage rating of
the electrical box should
be adequate. Refer to the
Specification Chart, for this
information.
2. The supply line should have the
same electrical characteristics
(voltage, cycle, phase) as the
motor. Refer to the motor
nameplate, on side of motor, for
this information.
NOTE: The wiring must be the same
as the motor nameplate voltage plus
or minus 10%. Refer to local codes
for recommended wire sizes, correct
wire size, and maximum wire run;
undersize wire causes high amp draw
and overheating to
the motor.
RISK OF ELECTRICAL SHOCK.
Electrical wiring must be located
away from hot surfaces such as
manifold assembly, compressor
outlet tubes, heads, or cylinders.
GROUNDING INSTRUCTIONS
This product should be connected to
a metallic, permanent wiring system,
of an equipment-grounding terminal
or lead on the product.
Voltage and Circuit Protection
Refer to the specification chart for the
voltage and minimum branch circuit
requirements.
Risk of Unsafe
Operation. Certain
air compressors can 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.
2. Circuit is not used to supply any
other electrical needs.
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.
Air Distribution System
Risk of Unsafe
Operation. Plastic
or PVC pipe is not designed for use
with compressed air. Regardless
of its indicated pressure rating,
plastic pipe can burst from air
pressure. Use only metal pipe for
air distribution lines.
The next figure represents a typical
air distribution system. The following
are tips to remember when setting up
the air compressor’s air distribution
system.

12- ENG
A13568
DRAIN
TRAP
DRAIN
TRAPS
DRAIN
LEGS
MOISTURE
SEPARATOR
AND TRAP
DIRT
LEG
DIRT
LEG
LUBRICATOR
REGULATOR
FILTER
AIR DISCHARGE
VALVE
LUBRICATOR
MAIN DISTRIBUTION AIR LINES
Slope pipe in direction of air flow.
Water condensate flows along
bottom of pipe to drain legs,
preventing it from entering feeder
lines.
REGULATOR
FLEXIBLE
COUPLING
DRAIN COCK
VALVE
TYPICAL COMPRESSED
AIR DISTRIBUTION SYSTEM
AIR FLOW
AIR FLOW
FEEDER LINES SLOPE
WITH AIR FLOW
AIR USAGE
LINES
AIR
COMPRESSOR
• Use pipe that is the same size as
the air tank outlet. Piping that is
too small will restrict the flow of
air.
• If piping is over 100 feet long,
use the next larger size.
• Bury underground lines below
the frost line and avoid pockets
where condensation can gather
and freeze. Apply pressure
before underground lines are
covered to make sure all pipe
joints are free of leaks.
• A flexible coupling is
recommended to be installed
between the air discharge outlet
and main air distribution line to
allow for vibration.
• A separate regulator is
recommended to control the
air pressure. Air pressure from
the tank is usually to high for
individual air driven tools.

13- ENG A13568
Tank Pressure Gauge: The tank
pressure gauge indicates the reserve
air pressure in the tank.
Globe Valve: Opens and closes air
discharge valve. Turn knob counter-
clockwise to open and clockwise to
close.
Drain Valve: The drain valve is
located at the base of the air tank
and is used to drain condensation at
the end of each use.
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.
Description of Operation
Become familiar with these controls
before operating the unit.
On/Auto/Off Switch: Turn this switch
ON 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).
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.
Safety Valve
Tank
Pressure Gauge
Globe Valve
Pressure
Switch
On/Auto/Off
Switch
Drain
Valve

14- ENG
A13568
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 continuous
leaking after unit reaches "cut-out"
pressure.
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".
Pressure
Release
Valve
Check Valve
How to Use Your Unit
How to Stop:
1. Set the On/Auto/Off lever to
"OFF".
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.
Recheck all wiring. Make sure
wires are secure at all terminals
connections. Make sure all
contacts move freely and are not
obstructed.
3. Open the globe valve fully 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 globe
valve is open and there is
minimal air pressure build-up in
tank.
6. Check all air line fittings and
connections/piping for air leaks
by applying a soap solution.
Correct if necessary. NOTE:
Minor leaks can cause the
air compressor to overwork,
resulting in premature breakdown
or inadequate performance.
7. Check for excessive vibration.

15- ENG A13568
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. When the tank pressure reaches
"cut-out" pressure open the
globe valve.
IMPORTANT: When using regulator
and other accessories refer to the
manufacture instructions.
Before Each Start-Up
1. Place On/Auto/Off lever to
"OFF".
2. Close the globe valve.
3. Attach hose and accessories.
NOTE: A regulator MUST be
installed when using accessories
rated at less than 175 PSI
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.
Readjust or shim air compressor
feet, if necessary.
8. After 15 minutes, close the globe
valve. The air receiver will fill to
"cut-out" pressure and the motor
will stop.

16- ENG
A13568
MAINTENANCE
Customer Responsibilities
Daily
or after
each
use
Before
each
use
●
●
Every
40
hours
Frequently Yearly
●1
1- more frequent in dusty or humid conditions
Check Safety Valve
Drain Tank
Air Filter
NOTE: See "Operation" section for
the location of controls.
To ensure efficient operation and
longer life of the air compressor,
a routine maintenance schedule
should be prepared and followed.
The following routine maintenance
schedule is geared to an unit 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. Compressors
in an extremely dirty and/or hostile
environment will require a greater
frequency of all maintenance checks.
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 Check Safety Valve
Risk of Bursting.
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.
Air compressor pump intake
and exhaust valves
●
To Drain Tank
1. Set the On/Auto/Off lever to
"OFF" and disconnect electrical
supply.
2. Pull the regulator knob out and
turn clockwise 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.
●
Inspect air lines and fittings
for leaks

17- ENG A13568
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.
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
Risk of Burns.
Compressor head
and cylinder sleeve are very hot.
Do not touch. Allow compressor to
cool prior to servicing.
A dirty air filter will not allow the
compressor to operate at full
capacity. Keep the air filter clean at
all times.
1. Remove the air filter cover.
2. Remove the air filter and make
sure it is clean.
IMPORTANT: Do not operate
the compressor with the air filter
removed.
3. If dirty, rinse air filter with warm
water and squeeze dry.
4. Replace air filter and air filter
cover.
Air Filter
Air Filter
Cover
Motor
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.
If the overload protector shuts the
motor off frequently, check for a
possible voltage problem. Low
voltage can also be suspected when:
1. The motor does not get up to full
power or speed.
2. Fuses blow out when starting
the motor; lights dim and remain
dim when motor is started and is
running.
Air Compressor Pump Intake
and Exhaust Valves
Once a year have a Trained Service
Technician check the air compressor
pump intake and exhaust valves.
NOTE: If the air filter is extremely
dirty it will need to be replaced. Refer
to the "Repair Parts" for the correct
part number.
Inspect Air Lines and Fittings
for Leaks
1. Turn the air compressor on to
inspect for air leaks.
2. Apply a soap solution to all air
line fittings and connections/
piping.
3. Correct any leaks found.
IMPORTANT: Even minor leaks
can cause the air compressor to
overwork, resulting in premature
breakdown or inadequate
performance.

18- ENG
A13568
7. Unscrew the check valve (turn
counterclockwise) using a 7/8"
open end wrench. Note the
orientation for reassembly.
8. 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.
9. Clean or replace the check
valve. A solvent, such as paint or
varnish remover can be used to
clean the check valve.
10. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
11. Replace the pressure release
tube. Tighten nut.
12. Replace the outlet tube and
tighten nut.
13. Replace the shroud and air filter.
14. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
SERVICE AND ADJUSTMENTS
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.
ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST
BE PERFORMED BY TRAINED
SERVICE TECHNICIAN.
To Replace or Clean Check
Valve
1. Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2. Set the On/Auto/Off lever to
"OFF" and disconnect electrical
supply
3. Using a phillips screwdriver
remove the air filter cover.
4. Remove the rear shrouds using
T-20 torx wrench.
5. Using an adjustable wrench
loosen outlet tube nut at air tank.
Carefully move outlet tube away
from check valve.
6. Using an adjustable wrench
loosen pressure relief tube nut at
air tank. Carefully move pressure
relief tube away from check
valve.
Outlet Tube
Check
Valve
Nut
Nut
Pressure
Relief
Tube
In closed position
disc is visible.
In open
position
nothing is
visible.
Screwdriver

19- ENG A13568
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" and disconnect electrical
supply
3. Close the globe valve.
4. Remove the air tool or accessory.
5. Open the globe valve and allow
the air to slowly bleed from the
air tank until tank pressure is
approximately 20 psi.
6. Drain water from air tank by
opening drain valve (counter-
clockwise) on bottom of tank.
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.
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. Protect the air hose from damage
(such as being stepped on or run
over).

20- ENG
A13568
TROUBLESHOOTING
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.
PROBLEM CAUSE CORRECTION
Pressure switch does
not shut off motor when
compressor reaches "cut-
out" pressure.
Pressure switch "cut-out"
too high.
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.
Excessive tank
pressure - safety
valve pops off.
Tube fittings are not tight
enough.
Tighten fittings where air
can be heard escaping.
Check fittings with soapy
water solution. Do Not
Overtighten.
Air leaks at
fittings.
Air leaks at
pressure switch
release valve.
Defective pressure switch
release valve.
Contact a Trained Service
Technician.
Air leaks in air
tank or at air
tank welds.
Defective air tank. Air tank must be replaced.
Do not repair the leak.
Risk of
Bursting.
Do not drill into, weld or
otherwise modify air tank
or it will weaken. The tank
can rupture or explode.
Air leaks
between head
and valve plate.
Leaking seal.
Air leaks at or
inside check
valve
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 the "To Replace
or Clean Check Valve" in the
"Service and Adjustment"
section.
Contact a Trained Service
Technician.