Ingersoll-Rand 4578217 manual Troubleshooting Guide, Maintenance Section, Probable Cause, Solution

MAINTENANCE SECTION

TROUBLESHOOTING GUIDE

Trouble	Probable Cause	Solution
Low power or low free speed	Insufficient air pressure	Check air line pressure at the Inlet of the Tool.
		It must be 90 psig (6.2 bar/620 kPa).
	Clogged muffler elements	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.
	Plugged Inlet Screen	Clean the Inlet Screen with a clean, suitable
		cleaning solution or replace the Screen.
	Worn or broken Vanes	Install a complete set of new Vanes.
	Worn or broken Motor Housing	Replace the Motor Housing.
	Internal air leakage in the Motor	Replace the Motor Housing.
	Housing indicated by high air
	consumption/low speed or air
	leaking out the front and rear
	exhaust simultaneously.
	Grit buildup under the Throttle	Remove the Throttle Lever and clean the groove in
	Lever restricting full Throttle	the Motor Housing.
	Valve Plunger movement
	Bent stem on Throttle Valve	Replace the Throttle Valve.
	Angle gear wick misaligned or	Reposition or replace the wick.
	damaged
Excessive runout	Bent Arbor	Replace the Arbor.
	Loose Collet Nut	Tighten the Collet Nut until snug.
	Worn or damaged Collet, Collet	Replace the damaged component and retest.
	Nut or Nosepiece
	Worn or damaged Upper Arbor	Replace the worn or damaged Bearing.
	Bearing or Lower Arbor Bearing
Scoring of End Plate	Worn Front End Plate Spacer or	Install a new Front End Plate Spacer and Front End
	Front End Plate	Plate.
	Worn Front Rotor Bearing	Install a new Front Rotor Bearing.
Leaky Throttle Valve	Dirt accumulation on Throttle	Disassemble, inspect and clean parts.
	Valve or Throttle Valve Seat
	Worn Throttle Valve or Throttle	Replace the Throttle Valve and/or Throttle Valve
	Valve Seat	Seat.
	Excessive dirt build-up beneath	Clean out the slot area.
	the Throttle Lever
	Bent Throttle Valve Plunger	Replace the Plunger.

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