Craftsman 919.728000 - Manuel (Page 16)

16 — ENG D21245
CORRECTION
Compressor is not supply-
ing enough air to operate
accessories. 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.
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.
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 supplied by your air
compressor, you need a larger compressor.
Loose belt. Adjust belt tension.
Restricted or defective check valve. Remove and clean or replace.