Sears Craftsman 919.153111 - Manual (Page 10)

STORAGE
Before you store the air compressor, make sure you do
the following:
1. Review the “Maintenance" section on the preceeding
pages and perform maintenance as necessary. Be
sure to drain water from the air tank.
2. Protect the electrical cord and air hose from damage
{such as being stepped on or run over). Wind them
loosely around the compressor handle.
Store the air compressor in a clean and dry location.
TROUBLESHOOTING GUIDE
WARNING
PERFORMING REPAIRS MAY EXPOSE VOLTAGE SOURCES, MOVING PARTS, OR COM­
PRESSED AIR SOURCES. PERSONAL INJURY MAY OCCUR. PRIOR TO ATTEMPTING ANY
REPAIRS UNPLUG THE COMPRESSOR AND BLEED OFF TANK AIR PRESSURE.
PROBLEM CAUSE CORRECTION
Excessive Tank pressure -
safety valve pops off.
Pressure switch does not shut off
motor when compressor reaches
“cut-out” pressure.
Move the pressure switch lever to the “OFF” posi­
tion. If the outfit doesn’t shut off, and the electrical
contacts are welded together, replace the pressure
switch.
If the contacts are good, check to see if the pin in
the bottom of the pressure release valve is stuck. If
it does not move freely, replace the valve.
Pressure switch “cut-out” too
high.
Return the outfit to Sears Service Center to check
and adjust, or replace switch.
Air leaks at fittings Tube fittings are not tight enough. Tighten fittings where air can be heard escaping.
Check fittings with soapy water solution. DO NOT
OVER-TIGHTEN.
Air leaks at check valve. Defective or dirty check valve. A defective check valve results in a constant air
leak at the pressure release valve when there is
pressure in the tank and the compressor is shut off.
Remove and clean or replace check valve. DO
NOT OVER-TIGHTEN.
Air leaks at pressure
switch release valve Defective pressure switch
release valve.
Remove and replace the release valve.
Defective check valve. A defective CHECK valve results in a constant air
leak at the pressure release valve when there is
pressure in the tank and the compressor is shut off.
Remove and clean or replace check valve. DO
NOT OVER-TIGHTEN.
Air leaks in air tank. Defective air tank. Air tank must be replaced. Do not repair the leak.
WARNING 1
DO NOT D R I L L I N T O , W E L D , O R
OTHERWISE MODIFY AIR TANK OR IT
WILL WEAKEN.
Pressure reading on the
regulated pressure gauge
drops when an accessory is
used.
It is normal for “some” pressure
drop to occur.
If there is an excessive amount of pressure drop
when the accessory is used, adjust the regulator
following the instructions on pg. 6.
Note
Adjust the regulated pressure under flow
conditions (while accessory is being
used.)