Troubleshooting Guide; Front Seal Cup; Front End Plate; Throttle Valve Seat - Ingersoll Rand CD Serie Manual De Uso Y Mantenimiento

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

TROUBLESHOOTING GUIDE

Probable Cause
Insufficient air pressure
Clogged muffler elements
Plugged Inlet Screen
Worn or broken Vanes
Loose Clamp Nut or Arbor
Housing
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
Front Seal Cup dragging against
the shield of the Front Rotor
Bearing
Bent rotor hub
Loose Collet Nut
Worn or damaged Collet or Collet
Nut
Worn or damaged Front Rotor
Bearing
Bent, worn or broken Extension
Arbor on CX models
Worn or damaged Front Arbor
Bearing on CX models
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
Incorrect orientation of the Flow
Ring
29
Solution
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 clean suitable cleaning
solution. If elements cannot be cleaned, replace the
Motor Housing and/or the Flange.
Clean the Inlet Screen with a clean, suitable
cleaning solution or replace the Screen.
Install a complete set of new Vanes.
Tighten the Nut or Housing between 20 and
25 ft–lb (27 and 34 Nm) torque.
Replace the Motor Housing.
Replace the Motor Housing.
Remove the Throttle Lever and clean the groove in
the Motor Housing.
Replace the Throttle Valve.
Re–position the Front Seal Cup.
Replace the Rotor.
Tighten the Collet Nut until snug.
Replace the damaged component and re–test.
Replace the Front Rotor Bearing.
Replace the Extension Arbor if, when mounted
between centers, the runout on the arbor body exceeds
0.002" T.I.R. or 0.0005" T.I.R. on the bearing
mounting diameters.
Replace the Front Arbor 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.
Reverse the face of the Flow Ring against the
Motor Housing.