TROUBLESHOOTING GUIDE
Trouble
Probable Cause
Solution
Low power
Dirty Inlet Bushing or Air
Strainer Screen and/or Exhaust
Silencer
Using a suitable cleaning solution, in a well
ventilated area, clean Air Strainer Screen, Inlet
Bushing and Exhaust Silencer.
Worn or broken Vanes
Replace
complete
set of Vanes.
Worn or broken Cylinder and/or
scored End Plates
Examine Cylinder and replace it if it is worn or
broken or if bore is scored or wavy. Replace End
Plates if they are scored.
Dirty motor parts
Disassemble tool and clean all parts with a
suitable cleaning solution, in a well–ventilated area.
Reassemble tool as instructed in this manual.
Improper positioning of Reverse
Valve
Make certain that Reverse Valve is
fully
engaged to the left or right.
Motor will not run
Incorrect assembly of motor
Disassemble motor and replace worn or broken
parts and reassemble as instructed.
Insufficient lubricant in the
impact mechanism
Remove Hammer Case Assembly and lubricate
impact mechanism.
Tool will not impact
Broken or worn impact
mechanism parts
Remove Hammer Case and examine impact
mechanism parts. Replace any worn or broken
parts.
Impact mechanism not assembled
correctly
Refer to
Assembly of the Impact Mechanism.
SAVE THESE INSTRUCTIONS. DO NOT DESTROY.
Form 04584272-Edition 1
5
