Bostitch CWC100 Quick Start Manual page 10

CWC100
TROUBLE SHOOTING, CONTINUED:
F. Compressor will not restart and the motor hums:
Compressor runs and gets up to pressure, shuts off, does not give off
a hiss of air from pressure switch. Compressor has to be drained for
unit to kick on again.
#57 Pressure switch
#52 Head unloader valve
A continuous hiss of air coming from Pressure Switch's Unloader Valve:
#52 Head unloader valve
G. Compressor keeps running, does not reach full pressure:
#64 Drain valve-make sure drain valve is shut,
check for leakage
#7 Starting Valve
#17 Piston rings worn
Replace gaskets, #9-11,13-16
#61 Safety valve
#53 Filler pipe, check for leaks at end of pipe
#4 Filter element, be sure it is clean
Check for any air leaks. If leaks are found,
this would be a good time for a tune-up.
Replace: Piston ring kit
Reed valve kit
Gasket kit
H. Compressor runs, stops, but does not reach full pressure:
Possible thermal overload will shut it down.
Running too close to wall
Running in an enclosed area
Plug directly into outlet
Use shorter or heavier extension cord
Low voltage
#57 Pressure switch adjust or replace
#59 Pressure gauge on tank
Compressor does not shut off after reaching pressure setting (135PSI):
#57 Pressure switch
#59 Pressure gauge on tank
REV A 12