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Troubleshooting Guide
Trouble
Probable Cause
Solution
Loss of Power
Low air pressure
Check air supply. For top performance, the air pressure must be
90 psig (6.2 bar/620 kPa) at the inlet.
Plugged Inlet Bushing Screen
Clean the Inlet Bushing Screen using a clean, suitable cleaning
solution. If the Screen cannot be cleaned, replace it.
Worn or broken Vanes
Replace a complete set of Vanes.
Worn or broken Cylinder
Replace the Cylinder if it is cracked or if the bore appears wavy
or scored.
Exhaust control restricted
Make certain the Exhaust Diffuser against the Back Cap is in the
fully open position.
Shutoff Valve too short
Lengthen the Shutoff Valve. Refer to Testing the Tool.
Motor won’t run
Motor Clamp Washer binding
Remove the Gear Case make certain the Washer is flat and the
Motor Seal is properly positioned.
Gears binding
Clean and inspect all gearing. Replace any worn or damaged
gearing.
Push Rod worn
Install a new Push Rod.
Gear Case gets hot
Excessive grease
Clean and inspect Gear Case and gearing parts and lubricate
as instructed.
Worn or damaged parts
Clean and inspect the gear Case and Gearing. Replace worn or
broken components.
Inconsistent disengagement
of the Adjustable Clutch
Improper lubrication
Remove the Adjustable Clutch mechanism and examine the
parts. Lubricate as instructed.
Wrong Clutch Spring (using Heavy Clutch
Spring on light torque application)
Change to Medium or Light Clutch Spring.
Motor stalls before Adjustable
Clutch ratchets
Improper Clutch adjustment or improper
tool ratio for application
Check Clutch Adjustment and review tool performance vs.
requirements.
Low pressure at the inlet
Check the air supply. For top performance, the air pressure
must be 90 psig (6.2bar/620kPa) at the inlet.
Insufficient grease
Lubricate the Clutch as instructed.
Improper exhaust control adjustment
Adjust the exhaust flow to obtain the desired speed.
Tool ratchets before shutoff
Push Rod too long
Shorten the push Rod. Refer to Testing the Tool.
Tool stalls without shutting off Shutoff Valve too short
Lengthen the Shutoff Valve. Refer to Testing the Tool.
Tool runs slower than normal
Shutoff Valve too short
Lengthen the Shutoff Valve. Refer to Testing the Tool.
Related Documentation
For additional information refer to:
Product Safety Information Manual Form 04585006.
Product Information Manual Form 80165921.
Parts List Manual Form 16574493.
Manuals can be downloaded from ingersollrandproducts.com
