Craftsman 919.167463 User manual

Owner's Manuam
PermanentJy Lubricated
SingJe Stage
Side Stack
AIR COMPRESSOR
o Safety Guidelines
o Assembly
o
o Maintenance
o Service and Adjustments
o
o Repair Parts
CAUT|ON: Read the Safety Guidelines
and All hstructions CarefulIy Before
Operating=
Sears, Roebuck and Co., Hoffman Estates, mL(}0179 U.S.A.
Visit our Oraftsman website: www.sears.com/craftsman
A09709 R_v,o12/28/o4

WARRANTY ................................................ 2
SPECiFiCATiON CHART ..................................... 3
SAFETY GUIDELINES=DEFINITIONS ........................... 3
mMPORTANT SAFETY mNSTRUCTmONS........................ 3-8
GLOSSARY ................................................ 9
ACCESSORIES ............................................ 9
DUTY CYCLE .............................................. 9
ASSEMBLY ............................................... 10
iNSTALLATiON ......................................... 10-11
OPERATION ........................................... 12-14
MAINTENANCE ......................................... 15-16
SERVICE AND ADJUSTMENTS ............................... 17
STORAGE ................................................ 18
TROUBLESHOOTING GUIDE ............................. 19-21
REPAIR PARTS ......................................... 22-25
ESPANOL .............................................. 26-48
NOTES/NOTAS ............................................ 46
REPAIR PROTECTION AGREEMENTS ......................... 47
HOW TO ORDER REPAIR PARTS ...................... Back Cover
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 O) 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
A09709 2= ENG

' _ " ,O m ± ( )(h,
Mode( No, 919,167463
Running HP 1.6
Bore 2.875"
Stroke 1.35"
Voltage-Single Phase 120V
Minimum Branch Circuit Requirement 15 amps
Fuse Type Time Delay
Air Tank Capacity - GaUons 4
Approximate Cut-in Pressure 120
Approximate Cut-out Pressure 150
SCFM@ 40 psig 8.0
SCFM@ 90 psig 5.7
Refer to Giossary for abbreviations.
)B I,
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 be(ow. Please read the manual and pay
attention to these symbols.
_ indicates an
imminently hazardous
situation which, if not avoided, w(((result
in death or serious (nj_.
_ Indicates a potentially
hazardous situation
which, if not avoided, could result in
death or serious (ni_
_ Indicates a potentially
hazardous situation
which, if not avoided, _ result in minor
or moderate (nj_
indicates a potentially hazardous situation
which, if not avoided, may result in
_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 persona! iniury.
3- ENG A09709

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.
.... r,
WARNING: Risk of explosion or fire ,_,I
What Could Happen How To Prevent it
It is normaR for eleetricaR contacts within Always operate the compressor in a
the motor and pressure switch to spark. 'well ventilated area free of combustible
materiams, gasoline, or somvent vapors.
If electrical sparks from compressor If spraying flammable materials, locate
come into contact with flammable compressor at least 20 feet away from
vapors, they may ignite, causing fire or spray area. An additional length of hose
e×plosion, 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.
Unattended operation of this product
couM result in personal injury or
property damage. To reduce the risk
of fire, do not allow the compressor to
operate unattended.
Never pBace objects against or on top
of compressor. Operate compressor in
an open area at least 12 inches away
from any wan 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.
Amways remain in attendance with the
product when it is operating.
Always disconnect eRectrical power by
moving pressure switch lever to the off
position and drain tank daily or after
each USe,
A09709 4= ENG

WARNING: Risk of Bursting
Air Tank: The following conditions could lead to a weakening of the tank, and result
in a violent tank e×plosion and could cause property damage or serious injury.
What Could Happen Hew To Prevent It
Failure to properly drain condensed Drain tank daily or after each use. if tank
water from tank, causing rust and develops a leak, replace it immediately
thinning of the steel tank. with a new tank or replace the entire
compressor
Modifications or attempted repairs to
the tank.
Unauthorized modifications to the
unRoader valve, safety valve, or any
other components which control tank
pressure.
Excessive vibration can weaken the
air tank and cause rupture or
explosion
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.
Never drill into, weld, or make any
modifications to the tank or its
attachments.
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 outBet (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 sma(( (ow
pressure objects such as children's
toys, footballs, basketballs, etc.
WARNING: Risk from Flying Objects
What Coumd Happen How To Prevent mt
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 gBasses 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.
5- ENG A09709

WARNING: Risk of Electricam Shock
What Could Happen
Your air compressor is powered by
eReetricity. 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
couRd result in serious injury or death
from electrocution.
See grounding instructions.
Now 3"0 Prevent It
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.
WARNING: Risk to Breathing
What Could
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.
Sprayed materials such as paint, paint
solvents, paint remover, insecticides, weed
killers, may contain harmful vapors and
poisons.
Now To Prevent It
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.
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.
A09709 6-ENG

WARNING: Risk of Burns
What Could Happen How To Prevent it
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 win 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 _
What Could Happen New To Prevent mt
Moving parts such as the pulley, Never operate the compressor with
flywheel, and belt can cause serious guards or covers which are damaged or
injury if they come into contact with you removed.
or your clothing.
Attempting to operate compressor with Any repairs required on this product
damaged or missing parts or should be performed by authorized
attempting to repair compressor with service center personnel
protective shrouds removed can expose
you to moving parts and can result in
serious injury.
WARNING: Risk of Falling
What Could Happen
A portable compressor can fan from
a table, workbench, or roof causing
damage to the compressor and could
result in serious injury or death to the
operator.
Now 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 additionaB air hose to
reach high locations.
7-ENG A09709

B,_ i,ll
WARNING: Risk of Serious injuryor Property DamageWhen Transporting Compressor
(Fire, Inhalation, Damage to Vehicle Surfaces)
What Could Happen
OH 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.
How To Prevent it
Always place OOMPRESSOR on a
protective mat when transporting to
protect against damage to vehicle from
leaks. Remove COMPRESSOR from
vehicle immediately upon arrival at your
destination.
iiiiiiiii_.... B'_ i'l
WARNING: Risk of Unsafe Operation
How To Prevent it
What Could Happen
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 famiRiar with the operation and
controls of the air compressor.
Keep operating area cBear of all persons,
pets, and obstacles.
Keep chiRdren away from the air
compressor at aH times.
Do not operate the product when
fatigued or under the influence of
alcohol or drugs. Stay alert at aH times.
Never defeat the safety features of this
product.
Equip area of operation with a fire
extinguisher.
De not operate machine with missing,
broken, or unauthorized parts.
SAVE THESE iNSTRUCTiONS
A09709 8-ENG

Become familiar with these terms When the tank pressure drops to a
before operating the unit. certain low level the motor will restart
CFM: Cubic feet per minute, automatically. The low pressure
BCFM: Standard cubic feet per at which the motor automatically
minute; a unit of measure of air restarts is called "cut-in" pressure.
delivery. Cut-Out Pressure: When an air
PSlG: Pounds per square inch compressor is turned on and begins
gauge; a unit of measure of pressure, to run, air pressure in the air tank
begins to build. It builds to a certain
Code Certification: Products that high pressure before the motor
bear one or more of the following automatically shuts off - protecting
marks: UL, CUL, ETL, CETL, have your air tank from pressure higher
been evaluated by OSHA certified than its capacity. The high pressure
independent safety laboratories and at which the motor shuts off is called
meet the applicable Underwriters "cut-out" pressure.
Laboratories Standards for Safety. Branch Circuit: Circuit carrying
Cut-In Pressure: While the motor electricity from electrical panel to
is off, air tank pressure drops as outlet.
you continue to use your accessory.
This unit is capable of powering the following Accessories. The accessories are
available through the current Power and Hand Tool Catalog or full-line Sears
stores.
Accessories
In Line Filter
Tire Air Chuck
Quick Connector Sets (various
sizes)
Air Pressure Regulators
Oil Fog Lubricators
® Air Hose: 1/4", 3/8" or 1/2" LD. in
various lengths
Refer to the selection chart located
on the unit to select the tools this unit
is capable of powering.
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.
9-ENG A09709

H
1. Remove unit from carton and
discard all packaging.
HOW TO SET UP YOUR
UNmT
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.
IMPORTANT: The outlet being used
must be installed and grounded in
accordance with atI local codes and
ordinances.
2. Make sure the outlet being used
has the same configuration
as the grounded plug. DO
NOT USE AN ADAPTER, See
illustration.
GROUNDmNG INSTRUCTIONS
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 foIIowing
iIhstrations). 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.
3.
4.
Inspect the plug and cord before
each use. Do not use if there are
signs of damage.
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.
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 electr{cian.
Repairs to the cord set or p_ug
MUST be made by a qualified
emectrician.
A09709 10- ENG

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 ptug 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 specification chart for the
voltage and minimum branch circuit
requirements.
air compressors can be operated
on a 15 amp circuit if the following
conditions are met,
1. Voltage suppIy to circuit must
comply with the National
Electrical Code.
2. Circuit is not used to supply any
other electrica! 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.
11-ENG A09709

Know "four Air Compressor
READ THiS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING
YOUR UNIT. Compare the illustrations with your unit to famiIiarize yourself with
the location of various controls and adjustments. Save this manual for future
reference.
Tank
Pressure
Gauge Air Compressor
Pump
Gauge
Description of Operation
Become familiar with these controls
before operating the unit.
On/Auto/Off Switch: Turn this switch
"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 (not shown}: 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: The outlet
pressure gauge indicates the air
Universal
Quick
CoRRect
Regulator Bodies
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.
Tank Pressure Gauge: The tank
pressure gauge indicates the reserve
air pressure in the tank.
Regumator: Controls the air pressure
shown on the outlet pressure
gauge. Pull the knob out and turn
clockwise to increase pressure
and counterc!ockwise to decrease
pressure. When the desired pressure
is reached push knob in to lock in
place.
Universal Quick=Connect Body:
The universal quick-connect body
accepts the three most popular styles
of quick-connect plugs- industrial,
automotive (Tru-fiate), 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.
A09709 12-ENG

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: 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: The drain valve is
located at the base of the air tank
and is used to drain condensation at
the end of each use.
How to Use Your Unit
Bow to Stop:
1. Set the On/Auto/Off lever to
"Off".
Before Starting
Break=in instructions
Valve
Drain
Valve
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",
a!lowing 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.
damage may result if the following
break-in instructions are not
closemy 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.
13-ENG A09709

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
if the air outlet is equipped with a
quick connect.
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,
Bow to Start:
1. Turn the On/Auto/Off lever
to "On/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.
A09709 14-ENG

Customer Responsibilities
Check Safety Valve
Drain Tank
Air Filter
Air compressor pump intake
and exhaust valves
Before Daily
or after
each each
use use
@
O
1- more frequent in dusty or humid conditions
Frequently Yearly
Risk of Unsafe
Operation. Unit
cycmes automatically when power
is on, When servicing, you may
be exposed to voBtage sources,
compressed air, or moving parts,
Before servicing unit unplug or
disconnect electrica_ supply to
the air compressor, bracedtank
of pressure, and atlow the air
compressor to cool
To ensure efficient operation and
longer life of the air compressor unit,
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 wiII depend upon the
hours of operation and the working
environment. Compressor units in
an extremely dirty and/or hostile
environment wilI require a greater
frequency of all maintenance checks.
To Check Safety Valve
Risk of Bursting,
If the safety valve
does not work properBy, 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.
To Drain Tank
1. Set the On/Auto/Off lever to "Off"
and unplug unit.
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.
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,
15-ENG A09709

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, the
reinstalbd.
Air Filter =Inspection and
Risk of Burns.
Compressor head
and cylinder sleeve are very hot.
Bo not touch. AHow compressor to
coomprior to servicing,
Risk of Unsafe
Operation, Keep
the air filter clean at atl times. Do
not operate the air compressor with
the air fimter removed,
A dirty air filter will not allow the
compressor pump to operate at
fulI 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.
On some models,the filter may be
removed by using a pair of needle
nose pliers or a screwdriver. Pull or
pry out the old filter and carefully
clean the filter area. Push in the new
air filter.
Air Compressor Pump Intake
and Exhaust Valves
Once a year have a Trained Service
Technician check the air compressor
pump intake and exhaust valves.
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 wilI 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.
A09709 16= ENG

ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST
BE PERFORMED BY TRAINED
SERVICE TECHNiCiAN,
cycmes automatically when power
is on, When servicing, you may
be exposed to voltage sources,
compressed air, or moving parts,
Before servicing unit unpmug or
disconnect emectricamsupply to
the air compressor, bleed tank
of pressure, and amlow the air
compressor to cool
To Replace or Clean Check
Valve
1= Release alI air pressure from air
tank. See "To Drain Tank" in the
"Maintenance" section=
2. Set the On/Auto/Off lever to "Off"
and unplug unit=
3= Using an adjustable wrench
loosen outlet tube nut at air tank
and pump. Carefully move outlet
tube away from check valve.
4= Using an adiustabie wrench
loosen pressure relief tube nut
at air tank 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.
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 hoids the valve
disc in the closed position, if
not the check valve needs to be
cleaned or replaced=
: ;_i__ ....
S
lopen
position ' '_ *_
nothing is
visible. I
Ir_desed position
disc is visible.
7. Clean or replace the check
valve. A solvent, such as paint or
varnish remover can be used to
clean the check valve.
8= Appty sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
9= Replace the pressure release
tube= Tighten nuts.
10. Repiace the outlet tube and
tighten nuts.
11= Perform the Break-in Procedure.
See "Break-in Procedure" in the
"Operation" section=
17-ENG A09709

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 unplug unit.
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.
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,
cIose the drain or drain valve.
NOTE: if drain valve is plugged,
reIease all air pressure. The valve
can then be removed, cleaned, then
reinstalled.
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.
9. Store the air compressor in a
clean and dry location.
A09709 18-ENG

_Risk of Unsafe Operation, Unit cycmes automatically when
power is on, When servicing, you may be exposed to
voltage sources, compressed air, or moving parts, Before servicing unit
unpBug or disconnect emectrical supply to the air compressor, b_eed tank
of pressure, and allow the air compressor to cool
PROBLEM CAUSE CORRECTmON
Excessive
tank pressure
- safety valve
pops off.
Air leaks at
fittings.
Air leaks at or
inside check
valve.
Air leaks at
pressure switch
release valve.
(if equipped)
Air leaks in air
tank or at air
tank welds.
Pressure switch does
not shut off motor when
compressor reaches "cut-
out" pressure.
Pressure switch "cut-out"
too high.
Tube fittings are not tight
enough.
Check valve seat damaged.
Defective pressure switch
release valve.
Defective air tank.
Leaking sea!.Air leaks
between head
and valve plate.
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.
Tighten fittings where air
can be heard escaping.
Check fittings with soapy
water solution. DO NOT
O\_RTIGHTEN.
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 RepIace
or Clean Check Valve" in the
"Service and Adiustment"
section.
Contact a Trained Service
Technician.
Air tank must be replaced.
Do not repair the leak.
_ Risk of
Bursting
Do not drill into, weJd or
otherwise modify air tank
or it will weaken, The tank
can rupture or expmode,
Contact a Trained Service
Technician.
19-ENG A09709

PROBLEM
Pressure reading
on the regulated
pressure gauge
(if equipped)
drops when an
accessory is
used.
CAUSE
It is normal for "some"
pressure drop to occur.
Air leak from
safety valve.
Compressor is
not supplying
enough air
to operate
accessories,
Possible defect in safety
valve.
Prolonged excessive use
of air.
Compressor is not large
enough for air requirement.
Hole in hose.
Check valve restricted.
Air leaks.
Restricted air intake filter
CORRECTmON
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 ftow conditions
(while accessory is being
used).
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Decrease amount of air usage.
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.
Remove and clean, or replace.
Tighten fittings.
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.
Restricted air Dirty air filter. Clean or replace. See Air
intake. Filter paragraph in the
"Maintenance" section.
Regulator knob Damaged regulator. Have checked by a Trained
has continuous Service Technician.
air leak.
Regulator will Damaged regulator. Have checked by a Trained
not shut off air Service Technician.
outlet.
A09709 20-ENG