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Problem/Trouble found
Low Power
Low Torque output
Motor will not run
"blows air"
Tool will not impact
Notes:
For more information see the Maintenance Manual and Parts List Manual for the tool. Most manuals can be
found on the Ingersoll Rand product web page under the Documents tab.
For Additional Information and assistance:
Browse the Knowledge Base: https://irtoolhelp.ingersollrand.com
Submit a Request for assistance:
Technical/Warranty Support: irtoolhelp@irco.com.
32
Power Tools and Industrial Lifting - Customer Technical Service
Pneumatic Impact Tool diagnostic
Probable Causes
Dirty inlet bushing or air strainer and/
or exhaust silencer material
Worn or broken vanes
Worn or broken cylinder and/or
scored end plates
Dirty motor parts
Improper positioning of FWD/REV
valve
Incorrect assembly or damage of
motor components (rotor, bearings,
vanes, cylinder, spacers, etc.)
Broken or worn impact mechanism
parts
Impact mechanism assembled
incorrectly
Solution
Using a suitable cleaning solution in a
well ventilated area, clean inlet parts
and exhaust silencer
Replace complete Vane set
Examine cylinder and replace if worn
or broken or if bore is scored or wavy.
Replace end plates if they are scored.
Note: 2146 Series - it is recommended
to replace the Cylinder Rotor Pressure
Gauge Assembly 2146-A3 if motor is
damaged.
Disassemble the tools and clean in
a suitable cleaning solution in a well
ventilated area. Reassemble and test
Make certain valve is fully engaged to
left or right.
Make certain that valve is properly
timed in composite body tools.
Disassemble motor, replace worn or
broken parts
Note: 2146 Series - it is recommended
to replace the Cylinder Rotor Pressure
Gauge Assembly 2146-A3 if motor is
damaged.
Remove hammer case and examine
impact mechanism parts. Replace any
worn or broken parts. Lubricate upon
reassembly.
Review assembly and correct as neces-
sary. Refer to the service information.
Warrantable
No
Maybe, if not due to improper lube or
contamination
Maybe, if not due to improper lube or
contamination
No
Yes, unless caused by improper
previous repair.
Yes, unless caused by improper
previous repair.
Yes, unless caused by improper
previous repair or abuse.
Yes, unless caused by improper
previous repair.
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