PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

 

Compressor is not supply-

Compressor is not large enough

Check the accessory air requirement. If it is higher

ing enough air to operate

for air requirement.

than the SCFM or pressure supplied by your air

accessories.

 

compressor, you need a larger compressor.

 

 

Restricted air intake filter.

Clean or replace air intake filter. Do not operate

 

 

 

the air compressor in any paint spray or drywall

 

 

 

sanding area.

 

 

Hole in hose.

Check and replace if required.

 

 

Check valve restricted.

Remove and clean, or replace.

 

 

Air leaks.

Tighten fittings.

 

 

Loose belt.

Adjust belt tension.

 

 

Restricted or defective check valve.

Remove and clean or replace.

 

 

 

Motor will not run or restart.

Present tank pressure exceeds

Motor will start automatically when tank pressure

 

 

pressure switch "cut-in" pressure.

drops below "cut-in" pressure of pressure switch.

 

 

Fuse blown, circuit breaker tripped.

1. Check fuse box for blown fuse and replace, if

 

 

 

 

necessary. Reset circuit breaker. Do not use a

 

 

 

 

fuse or circuit breaker with higher rating than

 

 

 

 

that specified for your particular branch circuit.

 

 

 

2.

Check for proper fuse; only Time Delay fuses

 

 

 

 

are acceptable.

 

 

 

3. Check for low voltage conditions and/or

 

 

 

 

proper extension cord.

 

 

 

4.

Disconnect the other electrical appliances

 

 

 

 

from circuit or operate the compressor on its

 

 

 

 

own branch circuit.

 

 

 

5.

Check for loose electrical connections.

 

 

Motor overload protection switch

Let motor cool off and overload switch will

 

 

has tripped.

auto- matically reset.

 

 

Possible defective motor or

Return to Sears Service Center for inspection or

 

 

capactior.

replacement, if necessary.

 

 

Paint spray on internal motor

Have compressor checked at Sears Service Center.

 

 

parts.

Do not operate the compressor in the paint spray

 

 

 

area. See flammable vapor warning.

 

 

Check valve stuck open, putting

Remove and clean, or replace the check valve.

 

 

pressure on head.

 

 

 

 

 

 

Pressure release valve on pressure

Bleed the line by pushing the lever on the pressure

 

 

switch has not unloaded head

switch to the "O" position; if the valve does not

 

 

pressure.

open, replace it.

 

 

 

 

 

Regulator knob continuous

Dirty or damaged regulator

Replace regulator.

air leak. Regulator will not

internal parts.

 

 

 

 

shut off at air outlet.

 

 

 

 

 

 

 

 

 

 

 

 

D21245

16 — ENG

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Craftsman 919.728000, D21245 owner manual Have compressor checked at Sears Service Center