Troubleshooting Chart - Porter Cable PXCMLA4708065 Manual De Instrucciones

Note: Troubleshooting problems may have similar causes and solutions.
PROBLEM
Excessive current
draw trips circuit
breaker of motor reset
switch
Compressor stalls
Low discharge
pressure
Compressor pump
knocking
TROUBLESHOOTING
POSSIBLE CAUSE
Low voltage/motor
overload
Drive belt too tight
Restricted air passages
Low voltage motor
Bad check valve
Seized pump
Air leaks
Leaking valves
Restricted air intake
Blown gaskets
Worn piston rings or
cylinder
Loose engine pulley or
compressor flywheel
Low oil level in pump
crankcase
Excess carbon on valves
or top of piston
19 - ENG
SOLUTION
Check that power
supply is adequate
and that compressor
is on a dedicated
circuit. If compressor is
connected to a circut
protected by a fuse, use
dual element time delay
fuses (Buss Fusetron
type "T" only).
Readjust belt tension
Inspect and replace
transfer tubes or
check valve, as
required.
Furnish adequate power.
Replace the check
valve.
Contact authorized
service center.
Tighten or replace
leaking fittings or
connections. Do not
overtighten.
Contact authorized
service center.
Clean or replace air filter
element(s).
Contact authorized
service center.
Contact authorized
service center.
Retighten pulley
and flywheel. Check
alignment.
Keep oil at proper level
at all times.
Contact authorized
service center.