12 — ENG
D20418 Rev. 0 2/22/00
CORRECTION
Compressor is not
supplying enough air
to operate accesso-
ries.
Compressor is not large
enough for air requirement.
Possible defective motor or
capactior.
Check valve stuck open, putting
pressure on head.
Pressure release valve on pressure
switch has not unloaded head
pressure.
Paint spray on internal
motor parts.
Broken exhaust valve.
Dirty or damaged regulator
internal parts.
Regulator knob
continuous air leak.
Regulator will not
shut off at air outlet.
Fuse blown, circuit breaker tripped.
Let motor cool off and overload switch
will auto- matically reset.
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.
Return to Sears Service Center for inspection or
replacement, if necessary.
Bleed the line by pushing the lever on the pressure
switch to the "O" position; if the valve does not
open, replace it.
Inspect and replace if necessary.
Replace regulator.
Remove and clean, or replace the check valve.
Have compressor checked at Sears Service Center.
Do not operate the compressor in the paint spray
area. See flammable vapor warning.
Clean or replace air intake filter. Do not
operate the air compressor in any paint
spray or drywall
sanding area.
Restricted air intake filter.
Check and replace if required.
Hole in hose.
Check valve restricted.
Tighten fittings.
Motor will not run or
restart.
Present tank pressure exceeds
pressure switch "cut-in" pressure.
Motor will start automatically when tank pressure
drops below "cut-in" pressure of pressure switch.
Remove and clean, or
replace.
Air leaks.
Motor overload protection
switch has tripped.
CAUSE
PROBLEM
Check the accessory air requirement. If it
is higher than the SCFM or pressure sup-
plied by your air compressor, you need a
larger compressor.
Summary of Contents for 919.727350
Page 13: ...13 ENG D20418 Rev 0 2 22 00 REPAIR PARTS ...
Page 14: ...14 ENG D20418 Rev 0 2 22 00 AIR COMPRESSOR DIAGRAM ...
Page 16: ...16 ENG D20418 Rev 0 2 22 00 COMPRESSOR PUMP DIAGRAM ...
Page 31: ...13 FR D20418 Rev 0 2 22 00 Dépannage Pièces ...
Page 32: ...14 FR D20418 Rev 0 2 22 00 SCHÉMA APPAREIL ...
Page 34: ...16 FR D20418 Rev 0 2 22 00 SCHÉMA BLOC COMPRESSEUR ...