Sears 176 Owner's Manual page 14

PROBLEM
Motor Will Not Run (Cont'd)
Excessive Tank Pressure
(Safety Valve Pops Off)
Air Leaks
I'
CAUSE
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Fuse blown, circuit breaker
pped,
Wrong gauge wire Or length of
extension cord.
Pressure release valve on pres-
sure switch has not unloaded
head pressure.
Check valve struck.
Loose electrical connections.
Capacitor on the motor.
Faulty motor.
Pressure Switch doesn't shut off
motor.
Pressure switch cut-out too high,
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Tube or hose r_tings loose.
Defective check valve.
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CORRECTION
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!) Check fuse box for blown fuse and replace
as necessary or reset circuit breaker. Do not
use a fuse or circuit breaker with a rating that
is higher than what is specified for your par-
ticular branch circuit. (See Specification
Chart, page 5.)
2) Check for proper fuse, only "Fusetron"
Type T fuses are acceptable.
3) Remove check valve and clean or replace
if it is stuck open or closed.
4) Check for low voltage conditions and/or
proper extension cord.
5) Disconnect the other electrical appliances
from circuit or operate the compressor on its
own branch circuit
Check for proper gauge wire and cord length.
Refer to extension cord recommendation
under motor section on page 8.
Bleed line by pushing lever on pressure
switch to OFF position which opens the pres-
sure release valve. If valve still does not
open, replace it.
A defective check valve results in a constant
air leak at the pressure release valve
attached to the side of the pressure switch
(19) when there is pressure in the air tank and
the compressor is not running. Remove and
clea n or replace check valve (do not
overtighten).
Check wiring connection inside pressure
switch. Pressure switch cover can easily be
removed by lifting cover at rear of switch.
Return to Sears Service Center to check and
replace if necessary.
Unless motor is visibly damaged, remove
motor and have it checked at local Sears
Service Center.
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Move pressure switch lever to the "off" posi-
tion. If outfit doesn't shut off, replace the
switch.
Return outfit to Sears Service Center to
check and adjust or replace if necessary.
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Tighten fittings with audible leak and check
fittings under pressure with soapy water
solution (do not overtighten).
. A defective check valve results in a constant
air leak at the pressure release valve
attached to the side of the pressure switch
(19) when there is pressure in the air tank and
the compressor is not running. Remove and
clean or replace check valve (do not
overtighten).
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