Sears 919.72512 owner manual TROUBLESHOOTING GUIDE Continued, Problem, Cause, Correction

Models: 919.72512

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TROUBLESHOOTING GUIDE (Continued)

PROBLEM

CAUSE

CORRECTION

 

Compressor is not supplying

Compressor is not large enough for

Check the accessory air requirement. If it is higher

enough air to operate acces-

air requirement.

than the SCFM or pressure supplied by your air

sories.

 

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.

 

 

 

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 has

Let motor cool off and overload switch will auto-

 

 

 

tripped.

matically reset.

 

 

 

Possible defective motor or

Return to Sears Service Center for inspection or

 

 

 

capactior.

replacement, if necessary.

 

 

 

Paint spray on internal motor parts.

Have compressor checked at Sears Service

 

 

 

 

Center. 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.

 

 

 

Broken exhaust valve.

Inspect and replace if necessary.

 

 

 

 

 

 

 

Regulator knob continuous air

Dirty or damaged regulator internal

Replace regulator.

 

leak. Regulator will not shut

parts.

 

 

 

 

 

off at air outlet.

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sears 919.72512 owner manual TROUBLESHOOTING GUIDE Continued, Problem, Cause, Correction