Troubleshooting Guide - Ingersoll Rand AC Serie Manual De Uso Y Mantenimiento

Trouble
Low power or low free speed
Excessive runout
Scoring of End Plate
Leaky Throttle Valve
MAINTENANCE SECTION

TROUBLESHOOTING GUIDE

Probable Cause
Insufficient air pressure
Clogged muffler elements
Plugged Inlet Screen
Worn or broken Vanes
Worn or broken Motor Housing
Internal air leakage in the Motor
Housing indicated by high air
consumption/low speed or air
leaking out the front and rear
exhaust simultaneously.
Grit buildup under the Throttle
Lever restricting full Throttle
Valve Plunger movement
Bent stem on Throttle Valve
Angle gear wick misaligned or
damaged
Bent Arbor
Loose Collet Nut
Worn or damaged Collet, Collet
Nut or Nosepiece
Worn or damaged Upper Arbor
Bearing or Lower Arbor Bearing
Worn Front End Plate Spacer or
Front End Plate
Worn Front Rotor Bearing
Dirt accumulation on Throttle
Valve or Throttle Valve Seat
Worn Throttle Valve or Throttle
Valve Seat
Excessive dirt build- -up beneath
the Throttle Lever
Bent Throttle Valve Plunger
Check air line pressure at the Inlet of the Tool.
It must be 90 psig (6.2 bar/620 kPa).
Disassemble the Tool and agitate bare Motor
Housing and Flange in a clean, suitable cleaning
solution. Back Flush the Muffler Elements with a
clean, suitable cleaning solution until all contamin-
ents and obstructions are removed. If elements can-
not be cleaned, replace them.
Clean the Inlet Screen with a clean, suitable
cleaning solution or replace the Screen.
Install a complete set of new Vanes.
Replace the Motor Housing.
Replace the Motor Housing.
Remove the Throttle Lever and clean the groove in
the Motor Housing.
Replace the Throttle Valve.
Reposition or replace the wick.
Replace the Arbor.
Tighten the Collet Nut until snug.
Replace the damaged component and retest.
Replace the worn or damaged Bearing.
Install a new Front End Plate Spacer and Front End
Plate.
Install a new Front Rotor Bearing.
Disassemble, inspect and clean parts.
Replace the Throttle Valve and/or Throttle Valve
Seat.
Clean out the slot area.
Replace the Plunger.
17
Solution