Sears 919.727121 User Manual
OWNERS MANUAL FOR
CRAFTSMAN
Model No.
919.727121
PERMANENTLY LUBRICATED
TANK MOUNTED
AIR COMPRESSOR
Record in the spaces provided.
(1) The Model Number can be found on the
maintenance label on top of the motor
• SAFETY GUIDELINES
• ASSEMBLY
• OPERATION
• MAINTENANCE
• TROUBLESHOOTING
• REPAIR PARTS
shroud or on the bar code label on the
rear of air tank.
(2) The Date Code Number can be found on
the bar code label on the rear of the air
tank.
(3) The Serial Number can be found on the
bar code label on the rear of the tank.
(4) The Tank Registration Number is located
on the metal data plate which is welded
onto the backside of the air tank. (This
data plate is painted the same color as
the tank.)
Retain these numbers for future reference.
IMPORTANT:
Read the Safety Guidelines
and All Instructions Carefully
Before Operating
D20414 Rev. 0 2/15/00
Model No_______________________________
Serial No_______________________________
Date Code______________________________
Tank Registration No____________________
Sold by Sears Canada, Inc., Toronto, Ont. M5B 2B8
TABLE OF CONTENTS
Page
WARRANTY .............................................................2
SAFETY GUIDELINES-DEFINITIONS ...................... 2
SAFETY GUIDELINES .......................................... 3-5
GENERAL INFORMATION .......................................6
GLOSSARY ..............................................................6
SPECIFICATION CHART ......................................... 6
DESCRIPTION OF OPERATION ..............................7
TOOLS NEEDED FOR ASSEMBLY ..........................7
ASSEMBLY ..............................................................8
INSTALLATION AND BREAK-IN PROCEDURES ....8
Location of Air Compressor..................................8
Lubrication and Oil ................................................8
Voltage and Circuit Protection ..............................8
Extension Cords ...................................................8
Grounding Instructions ......................................... 9
Break-in Procedure...............................................9
OPERATING PROCEDURES ................................. 10
MAINTENANCE......................................................11
Check Valve -Replacement ................................11
Safety Valve - Inspection .................................... 11
Storage ...............................................................11
TROUBLESHOOTING GUIDE .......................... 12-13
AIR COMPRESSOR DIAGRAM..............................14
COMPRESSOR PUMP DIAGRAM .........................16
HOW TO ORDER REPAIR PARTS .........................18
FULL ONE YEAR WARRANTY ON AIR COMPRESSORS
If this air compressor fails due to a defect in material or workmanship within one year from the date of
purchase, RETURN IT TO THE NEAREST SEARS SERVICE CENTER THROUGHOUT CANADA AND SEARS
WILL REPAIR IT, FREE OF CHARGE.
Page
If this air compressor is used for commercial or rental purposes, the warranty will apply for ninety days (90)
from the date of purchase.
This Craftsman Air Compressor warranty gives you specific legal rights and you may have other rights which
vary from province to province.
Sears Canada, Inc., Toronto, Ont. M5B 2B8
SAFETY GUIDELINES - DEFINITIONS
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 to the right. Please read the manual and pay attention to these sections.
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in death
or serious injury.
CAUTION indicates a potentially hazardous
situation which, if not avoided, may result in minor
or moderate injury.
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death of serious injury.
D20414 Rev. 0 2/15/00
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which, if
not avoided, may result in property damage.
2 — ENG
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 OPERATING INSTRUCTIONS BEFORE USING THIS EQUIPMENT.
HAZARD
RISK OF EXPLOSION OR FIRE
WHAT CAN 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.
RISK OF BURSTING
HOW TO PREVENT IT
ALWAYS OPERATE THE COMPRESSOR IN A WELL VENTILATED AREA FREE OF COMBUSTIBLE MATERIALS, GASO-
LINE 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.
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 CAN HAPPEN
1. FAILURE TO PROPERLY DRAIN CONDENSED WATER
FROM THE TANK, CAUSING RUST AND THINNING OF THE
STEEL TANK.
2. MODIFICATIONS OR ATTEMPTED REPAIRS TO THE TANK.
3. UNAUTHORIZED MODIFICATIONS TO THE UNLOADER
VALVE, SAFETY VALVE, OR ANY OTHER COMPONENTS
WHICH CONTROL TANK PRESSURE.
4. 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.
DRAIN TANK DAILY OR AFTER EACH USE. IF TANK DEVELOPS
A LEAK, REPLACE IT IMMEDIATELY WITH A NEW TANK OR
REPLACE THE ENTIRE COMPRESSOR.
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 OUTLET 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.
3 — ENG
HOW TO PREVENT IT
D20414 Rev. 0 2/15/00
HAZARD
RISK FROM FLYING OBJECTS
WHAT CAN HAPPEN
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.
RISK TO BREATHING
WHAT CAN HAPPEN
THE COMPRESSED AIR FROM YOUR COMPRESSOR IS NOT
SAFE FOR BREATHING! THE AIR STREAM MAY CONTAIN
CARBON MONOXIDE, TOXIC VAPORS OR SOLID PARTICLES
FROM THE TANK.
HOW TO PREVENT IT
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.
HOW TO PREVENT IT
ALWAYS OPERATE AIR COMPRESSOR OUTSIDE IN A CLEAN,
WELL VENTILATED AREA. AVOID ENCLOSED AREAS SUCH AS
GARAGES, BASEMENTS, STORAGE SHEDS, WHICH LACK A
STEADY EXCHANGE OF AIR. KEEP CHILDREN, PETS AND OTHERS
AWAY FROM AREA OF OPERATION.
NEVER INHALE AIR FROM THE COMPRESSOR EITHER DIRECTLY OR FROM A BREATHING DEVICE CONNECTED TO THE
COMPRESSOR.
SPRAYED MATERIALS SUCH AS PAINT, PAINT SOLVENTS, PAINT
REMOVER, INSECTICIDES, WEED KILLERS, CONTAIN HARMFUL
VAPORS AND POISONS.
RISK OF ELECTRICAL SHOCK
WHAT CAN HAPPEN
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.
WORK IN AN AREA WITH GOOD CROSS-VENTILATION. READ
AND FOLLOW THE SAFETY INSTRUCTIONS PROVIDED ON THE
LABEL OR SAFETY DATA SHEETS FOR THE MATERIAL YOU ARE
SPRAYING. USE A NIOSH/MSHA APPROVED RESPIRATOR
DESIGNED FOR USE WITH YOUR SPECIFIC APPLICATION.
HOW TO PREVENT IT
NEVER OPERATE THE COMPRESSOR OUTDOORS WHEN IT IS
RAINING OR IN WET CONDITIONS.
NEVER OPERATE COMPRESSOR WITH COVER COMPONENTS
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.
D20414 Rev. 0 2/15/00
4 — ENG
HAZARD
RISK FROM MOVING PARTS
WHAT CAN HAPPEN
MOVING PARTS SUCH AS THE PULLEY, FLYWHEEL AND BELT
CAN CAUSE SERIOUS INJURY IF THEY COME INTO CONTACT
WITH YOU OR YOUR CLOTHING.
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.
RISK OF BURNS
WHAT CAN HAPPEN
TOUCHING EXPOSED METAL SUCH AS THE COMPRESSOR
HEAD OR OUTLET TUBES, CAN RESULT IN SERIOUS BURNS.
HOW TO PREVENT IT
NEVER OPERATE THE COMPRESSOR WITH GUARDS OR
COVERS WHICH ARE DAMAGED OR REMOVED.
ANY REPAIRS REQUIRED ON THIS PRODUCT SHOULD BE
PERFORMED BY AUTHORIZED SERVICE CENTER PERSONNEL.
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.
DO NOT REACH AROUND PROTECTIVE SHROUDS OR ATTEMPT
MAINTENANCE UNTIL UNIT HAS BEEN ALLOWED TO COOL.
RISK OF FALLING
WHAT CAN HAPPEN
A PORTABLE COMPRESSOR CAN FALL FROM A TABLE,
WORKBENCH OR ROOF CAUSING DAMAGE TO THE COMPRES-
SOR AND COULD RESULT IN SERIOUS INJURY OR DEATH TO
THE OPERATOR.
RISK OF PROPERTY DAMAGE WHEN TRANSPORTING
COMPRESSOR
(Fire, Inhalation, Damage to Vehicle Surfaces)
WHAT CAN HAPPEN
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.
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.
HOW TO PREVENT IT
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.
ESW-99 9/26/99
5 — ENG
D20414 Rev. 0 2/15/00
GENERAL INFORMATION
You have purchased an air compressor unit consisting of a one cylinder, single-stage air compressor
pump and air tank. Included are wheels, regulator,
and gauges.
This air compressor requires no oil. Now you can
enjoy all the benefits of having an air compressor
without ever having to purchase, add or change oil.
GLOSSARY
CFM: Cubic Feet per Minute.
SCFM: Standard Cubic Feet per Minute; a unit of
measure of air delivery.
PSI: Pounds per Square Inch; a unit of measure of
pressure.
ASME: American Society of Mechanical Engineers;
made, tested, inspected and registered to meet the
standards of the ASME.
Cut-In Pressure: While the motor is off, air tank
pressure drops as you continue to use your accessory. When the tank pressure drops to a certain low
level and the pressure switch lever is in "Auto", the
motor will restart automatically. The low pressure at
which the motor automatically restarts is called “cutin pressure.”
Your air compressor can be used for operating paint
spray guns, air tools, blow guns, nailers/staplers, air
brushes, and inflator kits. An air pressure regulator is
required for most of the applications.
An in-line air filter which removes moisture and dirt
from compressed air should be used where applicable.
An in-line regulator can be used if a more precise
adjustment of air pressure is needed downstream.
Cut-Out Pressure: When you turn on your air compressor and it 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.”
CSA: Electrical products sold in Canada are required
to be certified to the applicable CSA standard (s).
Canadian Standards Association (CSA) is a standards
writing and safety testing organization. Products that
are CSA certified have been evaluated and tested and
found to meet or exceed the applicable CSA standard
(s) for safety and electrical performance.
D20414 Rev. 0 2/15/00
SPECIFICATION CHART
Model No.
Bore
Stroke
Voltage - Single Phase
Minimum Branch Circuit Requirement
Fuse Type
Air Tank
Approximate Cut-in Pressure
Approximate Cut-out Pressure
SCFM @ 40 psi
SCFM @ 90 psi
/
Capacity
6 — ENG
919.727121
1 7/8"
1 1/4"
120
10 amps
Time Delay
12 gal. (U.S.)
100
125
3.7
2.6
DESCRIPTION OF OPERATION
Air Compressor Pump: To compress air, the piston
moves up and down in the cylinder. On the downstroke, air is drawn in through the air intake valves.
The exhaust valves remain closed. On the upstroke of
the piston, air is compressed. The intake valves close
and compressed air is forced out through the exhaust
valves, through the outlet tube, through the check valve
and 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.
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.
If the air is not released, the motor will not be able to
start. The pressure release valve allows the motor to
restart freely. When the motor stops running, air will be
heard escaping from the valve for a few seconds. No
air should be leaking when the motor is running.
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 the tank against high
pressure by “popping out” at its factory set pressure
(slightly higher than the pressure switch cut-out
setting).
Regulator: The air pressure coming from the air tank
is controlled by the regulator. Turn the regulator knob
clockwise to increase pressure and counter-clockwise to decrease pressure. To avoid minor readjustment after making a change in pressure setting,
always approach the desired pressure from a lower
pressure. When reducing from a higher to a lower
setting, first reduce to some pressure less than that
desired, then bring up to the desired pressure.
Depending on the air requirements of each particular
accessory, the outlet regulated air pressure may have
to be adjusted while operating the accessory.
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 or equal to the tank
pressure. See “Operating Procedures”.
Tank Pressure Gauge: The tank pressure gauge
indicates the reserve air pressure in the tank.
Cooling System: 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.
TOOLS NEEDED FOR ASSEMBLY
• a 9/16" socket or open end wrench for attaching
the wheels
7 — ENG
• a 3/8" open end wrench or socket to tighten handle
screws
D20414 Rev. 0 2/15/00
ASSEMBLY
Installing Wheels, Handles, Molded Foot
Bumpers
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.
1. Attach the handle to the compressor saddle by
inserting the handle inside the compressor
saddle and lining up the bolt holes on each side.
Install the two screws, one on each side. Tighten
securely.
INSTALLATION AND BREAK-IN PROCEDURES
It will be necessary to brace or support one
side of the outfit when installing the wheels
because the compressor will have a tendency to tip over.
2. Install one shoulder bolt and one nut for each
wheel. Tighten securely. The outfit will sit level if the
wheels are properly installed.
3. Clean and dry underside of air tank leg opposite
wheels. Remove the protective strip from the
adhesive backed molded foot bumpers. Attach the
foot bumpers to the bottom of leg on each end.
Press firmly into place.
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.
Lubrication and Oil
This unit needs no lubrication or oiling.
Voltage and Circuit Protection
Refer to your Parts List Manual for the voltage and
circuit protection requirements of your compressor.
Use only a fuse or circuit breaker that is the same
rating as the branch circuit the air compressor is
operated on. If the compressor is connected to
a circuit protected by fuses, use only dual element
time delay fuses, as noted in that Service Bulletin.
Refer to Parts List Manual for your compressor.
Certain air compressor models can be operated on a
15 amp circuit if:
1. Voltage supply to circuit is normal.
2. Circuit is not used to supply any other electrical
needs (lights, appliances, etc.).
3. Extension cords comply with specifications.
4. Circuit is equipped with a 15 amp circuit breaker or
15 amp time delay fuse.
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.
Extension Cords
Use extra air hose instead of an extension cord to
avoid voltage drop and power loss to the motor, and to
prevent overheating.
If an extension cord must be used, be sure it is:
• a 3-wire extension cord that has a 3-blade grounding plug, and a 3-slot receptacle that will accept the
plug on the product
• in good condition
• no longer than 50 feet
• 12 gauge (AWG) or larger. (Wire size increases as
gauge number decreases. 10 AWG and 8 AWG
may also be used. DO NOT USE 14 OR 16 AWG.)
D20414 Rev. 0 2/15/00
8 — ENG
GROUNDING INSTRUCTIONS
RISK OR 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. The plug must be used with an outlet that has
been installed and grounded in accordance with all
local codes and ordinances. The outlet must have the
same configuration as the plug. DO NOT USE AN
ADAPTER TO DEFEAT THE GROUNDING FEATURE
OF THE PLUG.
Inspect the plug and cord before each use. Do not use
if there are signs of damage.
If repairing cord or plug, the grounding wire must be
kept separate from the current-carrying wires. Never
connect the grounding wire to a flat blade plug
terminal. The grounding wire has insulation with an
outer surface that is green - with or without yellow
stripes.
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.
Break-in Procedure
Serious damage may result if the following
break-in instructions are not closely
followed.
This procedure is required only once, before the air
compressor is put into service.
1. Set the pressure switch OFF/AUTO lever in the
"OFF" position.
2. Plug the power cord into the correct branch
circuit receptacle.
3. Turn the regulator clockwise, opening it fully, to
prevent air pressure build-up in the tank.
4. Move the OFF/AUTO lever to "AUTO". The
compressor will start.
5. Run the compressor for 15 minutes. Make sure
the regulator is open and there is no tank pressure build-up.
6. After 15 minutes, close the regulator by turning it
counterclockwise. The air tank will fill to cut-out
pressure and then the motor will stop.
Refer to "Operating Procedures".
IMPROPER GROUNDING CAN RESULT IN
ELECTRICAL SHOCK.
Do not modify the plug that has been provided. If it does not fit the available outlet,
the correct outlet should be installed by a
qualified electrician.
9 — ENG
D20414 Rev. 0 2/15/00
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