Craftsman 921.153620 Manuel utilisateur

Owner’s Manual

AIR COMPRESSOR

3-gallon

1 HP

Oil Lubricated

Model No. 921.153620

Sears Brands Management Corporation

Hoffman Estates, IL 60179 U.S.A.

www.sears.com/craftsman

02/18/2013

Part No. E106552

CAUTION:

Before using this product, read this

manual and follow all its Safety

Rules and Operating Instructions.

• SafetyInstructions

• Installation&Operation

• Maintenance&Storage

• TroubleshootingGuide

• PartsList

TABLE OF CONTENTS

Page

Warranty ................................................................ see below

Safety Symbols ...................................................................1

Important Safety Instructions & Guidelines..............................................1

Specifications ....................................................................2

Glossary ........................................................................2

Duty Cycle.......................................................................2

Parts & Features ..................................................................3

Installation & Assembly .............................................................4

Operating Procedures ..............................................................6

Maintenance .....................................................................7

Storage .........................................................................7

Troubleshooting Guide .............................................................8

Exploded View................................................................... 9

Parts List ...................................................................... 10

Service Number...........................................................back cover

CRAFTSMAN ONE YEAR FULL WARRANTY

FOR ONE YEAR from the date of purchase, this product is warranted against any defects in material

or workmanship. A defective product will receive free repair or replacement if repair is unavailable.

For warranty coverage details to receive free repair or replacement, visit the web site: www.craftsman.com

This warranty is void if this product is ever used while providing commercial services or if rented to

another person.

This warranty gives you specific legal rights, and you may also have other rights which vary from state

to state.

Sears Brands Management Corporation, Hoffman Estates, IL 60179 U.S.A.

Safety Instructions

The information listed below should be read and

understood by the operator. This information is

given to protect the user while operating and stor-

ing the air compressor. We utilize the symbols

below to allow the reader to recognize important

information about their safety.

DANGER

Indicates an imminently hazardous situation

which, if not avoided, will result in death or seri-

ous 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 or

serious injury.

CAUTION

When used without the safety alert symbol indi-

cates a potentially hazardous situation which, if

not avoided, may result in property damage.

ImportantSafetyInstructionsandGuidelines

•Saveallinstructions

WARNING

Improper operation or maintenance of this product could result in serious injury and/or property

damage. Read and understand all of the warnings and safety instructions provided before using this

equipment.

CALIFORNIA PROPOSITION 65 WARNING: This product

contains chemicals known to the State of California to cause

cancer, birth defects and/or reproductive harm.

CAUTION

The air compressor should be operated on a dedicated 15 amp circuit. If

the circuit does not have 15 free amps available, a larger circuit must be

used. Always use more air hose before utilizing extension cords. All exten-

sion cords used must be 12 gauge with a maximum length of 25 ft. The

circuit fuse type must be a time delay. Low voltage could cause damage to

the motor.

RiskofMovingParts If the air compressor is in operation, all guards and covers should be

attached or installed correctly. If any guard or cover has been damaged,

do not operate the equipment until the proper personnel has correctly re-

paired the equipment. The power cord should be free of any moving parts,

twisting and/or crimping while in use and while in storage.

Risk of Burns There are surfaces on your air compressor that while in operation and

thereafter can cause serious burns if touched. The equipment should be

allowed time to cool before any maintenance is attempted. Items such as

the compressor pump and the outlet tube are normally hot during and after

operation.

Risk of Falling Operation of the air compressor should always be in a position that is

stable. Never use the air compressor on a rooftop or elevated position that

could allow the unit to fall or be tipped over. Use additional air hose for

elevated jobs.

Risk from Flying Objects Always wear ANSI Z87.1 approved safety glasses with side shields when

the air compressor is in use. Turn off the air compressor and drain the air

tank before performing any type of maintenance or disassembly of the

hoses or ttings. Never point any nozzle or sprayer toward any part of the

body or at other people or animals.

Important Safety Instructions & Guidelines

Risk to Breathing Avoid using the air compressor in conned areas. Always have adequate

space (12 inches) on all sides of the air compressor. Also keep children,

pets, and others out of the area of operation. This air compressor does

not provide breathable air for anyone or any auxiliary breathing device.

Spraying material will always need to be in another area away from the air

compressor to not allow intake air to damage the air compressor lter.

Risk of Electrical Shock Never utilize the air compressor in the rain or wet conditions. Any electrical

issues or repairs should be performed by authorized personnel such as an

electrician and should comply with all national and local electrical codes.

The air compressor should also have the proper three prong grounding

plug, correct voltage, and adequate fuse protection.

Risk of

Explosion or Fire

Never operate the compressor near combustible materials, gasoline or

solvent vapors. If spraying ammable materials, locate the air compressor

at least 20 feet away from the spray area. Never operate the air compres-

sor indoors or in a conned area.

Risk of Bursting Always drain the air compressor tank daily or after each use. If the tank

develops a leak, then replace the air compressor. Never use the air com-

pressor after a leak has been found or try to make any modications to the

tank. Never modify the air compressor’s factory settings which control the

tank pressure or any other function.

Specifications

Pump ..................Oil-lube direct drive

Motor ...................1.0 HP (Induction)

Bore ...............................1.65”

Stroke ..............................1.26”

Voltage Single Phase ...............120 VAC

Minimum Circuit Requirement ........15 Amps

Air Tank Capacity .................3 Gallons

Cut-in Pressure ...................105 PSI

Cut-out Pressure ..................135 PSI

SCFM @ 90 PSI.......................2.4

Oil Capacity .................90 mL or 3 oz.

Oil Type . SAE 30 Non-detergent Semi Synthetic

Glossary

CFM: Cubic feet per minute.

SCFM: Standard cubic feet per minute; a unit of

measure for air delivery.

PSIG: Pounds per square inch gauge; a unit of

measure for pressure.

ASME: American Society of Mechanical Engineers.

California Code: Unit may comply with California

Code 462 (l) (2)/ (M) (2).

Cut-In Pressure: The air compressor will

automatically start to refill the tank when

the pressure drops below the prescribed

minimum.

Cut-Out Pressure: The point at which the motor

stops when the tank has reached maximum

air pressure.

Code Certification: Products that bear one or

more of the following marks: UL, CUL,

ETL, CSA, have been evaluated by OSHA-

certified independent safety laboratories

and meet the applicable Underwriters

Laboratories Standards for Safety.

Duty Cycle

This is a 50% duty cycle air compressor. Do not run the air compressor more than 30 minutes of

one hour. Doing so could damage the air compressor.

Parts&Features

See figures below for reference

Pressure

Relief Tube

Outlet Tube

Oil Fill Cap

OilSightGauge

Air Intake Filter

Provides clean air to the pump and must always be kept free of debris. Check on a daily basis or before each use.

RegulatorGauge

Indicates the outgoing air pressure to the tool and is

controlled by the regulator.

TankPressureGauge

Indicates the reserve air pressure in the tank.

Pressure Switch

This controls the power to the motor and

also the cut-in/cut-out pressure settings.

This switch serves as the Auto-On/Off

positions for the unit.

CheckValve

When the pump is not in operation, the valve closes to retain air pressure inside the tank. An internal component.

TankDrainValve

Used to drain condensation from the

air tank. Located at bottom of tank.

Quick Connect

Offers a quick release feature for attaching and

removing the air hose.

Regulator

The air pressure coming from

the air tank is controlled by the

regulator. To increase the

pressure, turn the knob clock

wise, and to decrease the

pressure, turn the knob counter

clockwise.

TankSafetyValve

Used to allow excess tank

pressure to escape into

the atmosphere. This valve

should only open when the

tank pressure is above the

maximum rated pressure.

PressureReliefValve

The pressure relief valve

located on the side of the

pressure switch, is designed

to automatically release

compressed air when the air

compressor reaches cut-out

pressure. The released

air should only escape

momentarily and the valve

should then close.

Installation&Assembly

WARNING

The air compressor should be turned off, unplugged from the power source, the air bled from the tank

and the unit allowed time to cool before any maintenance is performed. Personal injuries could occur

from moving parts, electrical sources, compressed air or hot surfaces. The quick connect assembly

must be attached before use. Failure to assemble correctly could result in leaks and possible injury. If

unsure of assembly instructions or you experience difculty in the assembly please contact your local

authorized Sears or another qualied service dealer.

Assembly

1. Remove air compressor, manual, air lter

assembly, and accessories from packaging.

2. Remove the plastic plug from the compressor

intake port. (see diagram below)

3. Install the lter in the compressor intake port.

(see diagram below)

4. Remove the oil ll cap from the crankcase and

ll until the oil reaches the top of the red dot in

the sight glass. Oil capacity is 3 oz. (see below)

Use SAE 30 Non-detergent Semi Synthetic

oil (API CG/CD heavy duty motor oil). Under

extreme cold weather conditions use SAE-10

weight oil.

5. Replace the oil cap.

1131

OITNETT

LIOHT

IWL

LIF ESUEROFEB

negr

ete

03E

432

Estimated Assembly Time:

Approximately 5 minutes

Grounded

Outlet

Grounding Pin

Plug

Make sure that the product is connected to an

outlet having the same conguration as the plug.

No adapter should be used with this product. If

the product must be reconnected for use on a

different type of electric circuit, qualied service

personnel should make the reconnection.

Extension Cords

Use only 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. Make

sure your extension cord is in good condition.

When using an extension cord, be sure to use

one heavy enough to carry the current your

product will draw. Cords must not exceed 25

feet and No. 12 AWG size must be used. An

undersized cord will cause a drop in line voltage

resulting in loss of power and overheating.

Break In Procedures

No break in procedure is required by the user.

This product is factory tested to ensure proper

operation and performance.

Installation & Assembly

GettingStarted-

Location of the Air Compressor

The air compressor should always be located

in a clean, dry and well ventilated environment.

The unit should have at minimum, 12 inches of

space on each side. The air lter intake should

be free of any debris or obstructions. Check the

air lter on a daily basis to make sure it is clean

and in working order.

GroundingInstructions

This product should be grounded. In the event of

an electrical short circuit, grounding reduces the

risk of electric shock by providing an escape wire

for the electric current. This product is equipped

with a cord having a grounding wire with an ap-

propriate grounding plug. (See the gure below.)

The plug must be plugged into an outlet that is

properly installed and grounded in accordance

with all local codes and ordinances. Check with

a qualied electrician or service personnel if

these instructions are not completely understood

or if in doubt as to whether the tool is properly

grounded.

Improper installation of the grounding plug will

result in a risk of electric shock. If repair or

replacement of the cord or plug is necessary,

do not connect the grounding wire to either at

blade terminal. The wire with insulation having

an outer surface that is green with or without

yellow stripes is the grounding wire. Check

with a qualied electrician or serviceman if

the grounding instructions are not completely

understood, or if in doubt as to whether the

product is properly grounded. Do not modify the

plug provided; if it will not t the outlet, have the

proper outlet installed by a qualied electrician.

This product is for use on a circuit having a

nominal rating of 120 volts and is factory-

equipped with a specic electric cord and plug

to permit connection to a proper electric circuit.

WARNING

Operating Procedures

Daily Shut-Down Procedures

1. Set the Auto-On/Off lever to the Off position.

2. Unplug the power cord from the receptacle.

3. Set the outlet pressure to zero on the regulator.

4. Remove any air tools or accessories. When

draining the tank, always use ear and eye

protection. Drain the tank in a suitable location;

condensation will be present in most cases

of draining.

5. Open the drain valve allowing air to bleed from

the tank. After all of the air has bled from

the tank, close the drain valve to prevent

debris buildup in the valve.

CAUTION

When draining the tank, always use ear and eye

protection. Drain the tank in a suitable location;

condensation will be present in most cases

of draining.

WARNING

Water that remains in the tank during storage

will corrode and weaken the air tank which could

cause the tank to rupture. To avoid serious injury,

be sure to drain the tank after each use or daily.

Daily Start-Up Procedures

1. Set the Auto-On/Off lever to the Off position.

2. Inspect the air compressor, air hose, and any

accessories/tools being used for damage or

obstruction. If any of these mentioned items

are in need of repair/replacement, contact

your local authorized service dealer before use.

3. Close the drain valve.

4. Check the oil level of the pump.

5. Connect the air hose to the quick connect

socket on the regulator assembly by inserting

the quick connect plug on the air hose into

the quick connect socket. The quick connect

socket collar will snap forward and lock

the plug into place providing an air tight seal

between the socket and plug. To release the

air hose push the collar back on the quick

connect socket.

6. Plug the power cord into the proper receptacle.

7. Turn the Auto-On/Off lever to the On-Auto

position and the compressor will start and

build air pressure in the tank to cut-out

pressure and then shut off automatically.

8. Adjust the regulator to a PSI setting that is

needed for your application and be sure it is

within the safety standards required to

perform the task. If using a pneumatic tool,

the manufacturer should have recommendations

in the manual for that particular tool on operating

PSI settings.

9. The air compressor is now ready for use.

Storage

For storing the air compressor, be sure to do the following:

1. Turn the unit off and unplug the power cord

from the receptacle.

2. Remove all air hoses, accessories, and air tools

from the air compressor.

3. Perform the daily maintenance schedule.

4. Open the drain valve to bleed all air from the tank.

5. Close the drain valve.

6. Store the air compressor in a clean and

dry location.

NOTE: Any service procedure not covered in the maintenance schedule should be performed

by qualified service personnel. Contact your local authorized Sears or another qualified ser-

vice dealer.

Maintenance

CAUTION

To ensure efcient operation and longer life of

the air compressor unit, a routine maintenance

schedule should be followed. The following

schedule is geared toward a consumer whose

compressor is used in a normal working environ-

ment on a daily basis.

WARNING

The air compressor should be turned off,

unplugged from the power source, air bled from

the tank and allowed time to cool before any

maintenance is performed.

Maintenance Schedule

Items to Check/Change Before each use

or daily

Check Tank Safety Valve X

Overall Unit Visual Check X

Check Air Filter X

Drain Tank X

Check Power Cord for Damage X

Change Oil after first 50 hours

after every 100 hours

Check Oil Level X

NOTES

WARNING

The air compressor should be turned off and unplugged from the power source before any mainte-

nance is performed as well as the air bled from the tank and the unit allowed time to cool. Personal

injuries could occur from moving parts, electrical sources, compressed air, or hot surfaces.

TroubleshootingGuide

PROBLEM POSSIBLE CORRECTION

Air leaks at the check

valve or at the pres-

sure relief valve.

A defective check valve results in a constant air leak at the pressure relief

valve when there is pressure in the tank and the compressor is shut off.

Drain the tank, then remove and clean or replace the check valve.

Air leaks between

head and cylinder.

Be sure of proper torque on head bolts. If leak remains, contact a service

technician.

Air leak from safety

valve.

Operate the safety valve manually by pulling on the ring. If the valve con-

tinues to leak when in the closed position, it should be replaced.

Pressure reading on

the regulated pressure

gauge drops when an

accessory is used.

If there is an excessive amount of pressure drop when the accessory is

used, replace the regulator.

NOTE:

Adjust the regulated pressure under ow conditions (while accessory is

being used). It is normal for the gauge to show minimal pressure loss

during initial use of the tool.

Excessive tank pres-

sure.

Move the Auto-On/Off lever to the Off position. If the unit doesn’t shut off,

unplug it from the power source and contact a service technician.

Motor will not start. Make sure power cord is plugged in and the switch is on. Inspect for the

proper size fuse in your circuit box. If the fuse was tripped, reset it and

restart the unit. If repeated tripping occurs, replace the check valve or

contact a service technician.

Excessive moisture in

the discharge air.

Remove the water in the tank by draining after each use. High humidity

environments will cause excessive condensation. Utilize water lters on

your air line.

NOTE:

Water condensation is not caused by compressor malfunction. Be sure

the compressor’s air output is greater than your tool’s air consumption

rate.

Air leaks from the tank

body or tank welds.

Never drill into, weld or otherwise modify the air tank or it will weaken.

The tank can rupture or explode. Compressor cannot be repaired. Dis-

continue use of the air compressor.

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