Sears 919.15412 - Manual (Page 11)

TROUBLESHOOTING GUIDE (Oontinued)
PROBLEM CAUSE CORRECTION
Air teak from Safety Vialve Rjssibie defect in Safety Valve. Operate safely valve manualfy by pulling on ring. If
yàvQ still leaks, it should be replaced.
Knocking Noise Defective Check Valve. Remove and clean or replace.
Ciorripressor (6 rrot supply^
ing enough air to operate
accissortes. Fhulonged excessive use of air.Decrease amount of air usage.
Compreeeor te not large enough
for air requirement. Check the accessory air requirement, if it is higher
than tfw SCFM or pressure auppBed by your air
compressor, you a iarger compressa.
Restricted air Irstake fitter. Ciaan or replace ai r intake filler, Do not operate the
air oomprassor In the paint spray area.
Hole in hose. Check and repiace if required.
Cheok Valve restricted. Remove and cleam or replace.
Air teaks. Tighten fittings, {See Air Leaks Section of
T^ubteshootlng Guide.)
Motor Wilt Not Rirt Motor overload protection switch
has tripped. Ljit motor cool off and overload switch will auto
rtailcally reset.
Tank pressure exceeds pressure
switch “cut-in" pressure. Motor will start automatlc^ly when tank pressure
dh)p8 below ’cut-in" pressure of pressure switch.
Wrong gauge wire or length of
extension cord. Check for proper gauge wire and cord iertgth,
Check Valve stuck open. Remove and clean or replace.
Loose etectrical connections. Check wiring connection inside pressure swilch
and terminal box area.
Possible defective capacitor; Rsturn to Sears Service Center for inspection or
replacement If necessary.
Paint spray on internal motor
parts. Have Checked at Sears Service Center Do not
operate the compressor in the paint spray area,
See fiammabie vapor warning on page 3.
Possible deieciivs motor. Have checked at a local Sears Service Center.
F u s e blown, circuit breaker
tripped.
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 thai
sfbcifled tor your particular branch circuit
2, Check for proper fuse: only “Fusslron“ type T
fuses ere acceptable.
3, Check for low voltage conditions and/or proper
extension cord.
4, Disconnect the other oiectical appliances from
circuit or operate ths compessor on its own branch
cirouiL
Pressure release valve on pi«s-
sore switch has not unloaded
head pressure. Bleed the Hne by pushing the iever on the pressure
switch to ths "Off" position; if the valvo does not
open, replace it
Hagylalot knob ~ confirtu-
ous air leak. Regulator wilt
not shut-off at air outlet
Dirty or damaged regulator inter­
ne! parts. Clean Of replace regulator, or internal parta
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