Product Manual

11
Compressor over
heated
1：Undersized unit for air
requirements
2：Compressor location
3：Air leaks in the system
4：Restricted air filter
5：Worn, damage, or carbon
build up on valve
6：Carbon build up at after - cooler
tube or check valve
1：Contact PUMA compressor
distributor
2：See installation section
3：Fix leaks
4：Clean or replace filter
5：Clean or replace valves
6：Clean or replace as needed
Pressure switch does
not unload or leak air
when unit is not
operating
1：Pressure switch unloading
may be dirty or faulty
2：Check valve may be dirty or faulty
1：Clean, repair or replace
pressure switch
2：Clean, repair or replace check
valve
Air leaks at check
valve
1：Defective or dirty check valve 1：A defective check valve results in
a constant air leak when there is
pressure in the tank, remove
and clean or replace valve.
Air leaks in air tank or
at tank welds
1：Defective air tank 1：Air tank must be replaced,
do not repair the leak.