CAS80R
SECTION 6: TROUBLESHOOTING
PAGE - 32
Manual # 99905932 (February 2016)
®
IOWA MOLD TOOLING CO., INC.
(641) 923-3711 • www.imt.com
System retains pressure
after shutdown
Blowdown valve stuck
Clean or replace blowdown valve.
Leak back from air line
Check minimum pressure valve for
leaks.
Compressor stalls
Insufficient hydraulic system
pressure flow. This can occur if
another hydraulically activated
component is used off same
pump system. Activating the
secondary component may drop
hydraulic supply system
pressure/flow and leave
insufficient for compressor.
NOTE:
Even a momentary drop
in supply hydraulic supply
pressure/flow may initiate
compressor blowdown to
commence.
Check setting on supply pressure
system relief valve.
Check to ensure adequate pressure/
flow. Check if other systems are
activated off same supply.
Hydraulic pressure relief valve
set too low
Contact factory service department.
Leak in seals on pressure relief
valve.
Remove and check seals or fit new
valve cartridge.
Air pressure set too high for
hydraulic system.
Contact IMT Service Department.
Leak in solenoid valve cartridge
(directional flow control valve) on
manifold.
Remove and check seals or fit new
valve cartridge.
Check over-pressure or over-
temperature
Adjust if necessary.
6.2 TROUBLESHOOTING GUIDE
MALFUNCTION/FAULT
POSSIBLE CAUSE
CORRECTIVE ACTION
Summary of Contents for IMT CAS80R
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