Craftsman 919.175261 Owner's Manual page 11

One stage air compressor
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CAUSE
Motor overload protection switch has tripped.
Tank pressure exceeds pressure switch "cut-
in" pressure.
Check valve
stuck - fails to relieve
head
}ressure; motor cannot start.
Loose electrical
connections.
PROBLEM
Motor will not run.
Restricted air intake.
Compressor is not supply-
ing enough air to operate
accessories.
Possible defective
capacitor.
Possible defective
motor,
Fuse blown, circuit breaker tripped.
Pressure release valve on pressure switch
has not unloaded head pressure.
Dirty air filter.
Prolonged excessive use of air.
Compressor is not large enough for air re-
quirement.
Restricted
air intake filter.
Loose belt.
Hole in hose.
Check valve restricted.
Air leaks,
CORRECTION
Let the motor cool off and reset switch by pressing
the red button located on the end of the motor.
Motor will start automatically
when tank pressure
drops below "cut-in"
pressure of pressure switch.
Remove and clean or replace. (Do not overtighten,}
Check wiring
connection
inside pressure switch
and terminal
box area,
Return to Sears Service Center for inspection or
replacement
if necessary.
Have checked at a local Sears Service Center.
1. Check fuse box for blown fuse and replace if
necessary. Re-set 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 "Fusetron"
Type
T fuses are acceptable.
3. Check for low voltage conditions.
4. Remove check valve and clean or replace if it
is stuck open or closed.
5. Disconnect
the other electrical appliances
from circuit or operate the compressor on its
own branch
circuit.
Bleed the line by pushing the lever on the pressure
switch to the "OFF _ position, opening the pres-
sure release valve. If the valve still doesn't open,
it must be replaced.
Replace with new.
Decrease amount of air usage.
Check the accessory
air requirement. If it is higher
than the pressure sup plied by your air compressor,
you need a larger compressor.
Replace air intake filter.
Adjust belt tension.
Check and replace if required.
Remove and clean or replace.
Excessive belt wear.
Squealing sound.
Loose belt.
Tight belt.
Loose
pulley.
Loose
belt.
There is no oiJ in the compressor.
Tighten fittings. (See Air Leaks Section of Trouble-
shooting Guide.)
Adiust tension,
Adjust tension.
Check for worn keyway or pulley bore. Also check
for bent motor shaft. Replace parts if necessary.
Adjust
belt tension.
Add oil.
11

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