Ingersoll-Rand MHP825WCAT, Operation & Maintenance Manual

Page: 95 / 109

Fault Finding Operation & Maintenance Manual
93
Loose pipe/hose
connections. Check all pipe/hose connections.
Faulty safety valve. Check the relieving pressure. Replace the
safety valve if faulty.
DO NOT ATTEMPT A
REPAIR.
Oil is forced
back into the
air filter. Incorrect stopping
procedure used
.
Always employ the correct stopping procedure.
Close the discharge valve and allow the
machine to run on idle before stopping.
Faulty inlet valve. Check for free operation of the inlet valve(s).
Machine goes
to full
pressure
when started. Inlet valve set
incorrectly.
(17/235, 21/215) Refer to SPEED AND PRESSURE
REGULATION ADJUSTMENT in the
MAINTENANCE section of this manual.
(17/235, 21/215)
Faulty load valve. Replace the valve.
Machine fails
to load when
the load
button is
pressed. Faulty load valve. Replace the valve.
Refer also to the Engine Manufacturer’s Manual.
FAULT CAUSE REMEDY