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Test and Inspection Procedure
1. Clutch Ratcheting: Turn the drive (2) pinion by hand in the direction of starter rotation. The clutch should ratchet smoothly with a slight
clicking action.
2. Motor and Gearing Freeness: Turn the drive (2) pinion opposite the direction of Starter rotation. The pinon should turn by hand.
3. Motor Action and Pinion Engagement: Secure starter in a vise or xture that will safely allow to pinion to extend and rotate. Install a
regulator using ½” (13 mm) airline to the starter inlet. Slowly increase pressure to 30 psig, the pinion should extend 1-¼” (31.8 mm) and
rotate the direction marked on the nameplate.
Troubleshooting
Trouble Probable Cause Solution
Motor will not run and pinion does
not engage
No air supply Check for blockage or damage to air supply lines or tank.
Foreign material in starter and/or piping
Remove liner assembly and/or piping and remove blockage.
Defective control valve or relay valve Replace control valve or relay valve.
Low air signal pressure to start valve Check air supply.
Loss of Power Low air pressure to starter Check air supply.
Restricted air supply line Check for blockage or damage to air lines.
Relay valve malfunctioning Clean or replace lines or relay valve. Lube relay valve.
Foreign material in starter Remove liner assembly and remove blockage.
Damaged liner assembly components Replace liner assembly.
Motor runs and pinion engages,
but does not rotate ywheel
Damaged or broken liner assembly Replace liner assembly.
Excessive butt engagement Damaged drive pinion or ywheel Inspect drive pinion and ywheel and replace if
necessary.
Low air pressure Check air supply.
Wrong drive pinion Replace with proper drive pinion.
Oil leaking out of exhaust Oil in air supply line Inspect airline and remove source of oil including inline
lubricators.
Oil leaking from engine bell housing Replace drive seal.
Worn or damaged seals in liner
assembly
Replace liner assembly.
Air leakage Loose joints Make sure all joints are tight. Use Ingersoll Rand SMB-
441 Sealant on all NPT connections.
Worn or damaged inlet O-Ring Replace O-Ring using O-Ring lubricant.
Parts and Maintenance
NOTICE
The use of other than genuine Ingersoll Rand replacement parts may result in safety hazards, decreased motor performance, and
increased maintenance, and may invalidate all warranties. Ingersoll Rand is not responsible for customer modication of motors for
applications on which Ingersoll Rand was not consulted.
When product life has expired, it is recommended that the product be disassembled, degreased and parts be separated by material for proper
recycling.
Repair and maintenance should only be carried out by an authorized Service Center. Refer all communications to the nearest Ingersoll Rand
oce or distributor.
Related Documentation
Manuals can be downloaded from ingersollrandproducts.com
For additional information, refer to:
Product Safety Information Manual: 45558624
Product Information Manual: 47619006001
Parts Information Manual: 47616907001
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