AX55S AIR MOTOR ASSEMBLY – TROUBLESHOOTING
PROBLEM
Pump will not start
Erratic operation of air
motor, air motor stops
Continuous air leak from
the exhaust
14
CAUSE
No compressed air.
System is blocked.
Worn poppet assemblies.
Worn or dirty spool and sleeve
assembly.
Worn poppet assemblies.
Worn piston seal.
Worn diaphragm.
SOLUTION
Check compressed air supply.
Clear the blockage.
Replace poppet assemblies.
Clean or replace the spool and sleeve
assembly as necessary.
Replace poppet assemblies.
Replace piston seal.
Replace diaphragm.