Ingersoll-Rand 10/125, Operating & Maintenance Manual

Page: 126 / 133

Operating & Maintenance Manual Fault Finding
126 22442594
Excessive oil
present in the
discharge air.
Blocked scavenge line. Check the scavenge line, drop tube and
orifice. Clean and replace.
Perforated separator
element. Replace the separator element.
Pressure in the system
is too low. Check the minimum pressure valve.
Safety valve
operates.
Operating pressure too
high. Refer to SPEED AND PRESSURE
REGULATION ADJUSTMENT in the
MAINTENANCE section of this manual.
Incorrect setting of the
regulator. Adjust the regulator.
Faulty regulator. Replace the regulator.
Inlet valve set
incorrectly. Refer to SPEED AND PRESSURE
REGULATION ADJUSTMENT in the
MAINTENANCE section of this manual.
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. Faulty load valve. Replace the valve.
Machine fails to
load when the load
switch is pressed.
Faulty load valve. Replace the valve.
Faulty switch. Test switch.
Loose pipe/hose
connections. Check all pipe/hose connections.
FAULT CAUSE REMEDY