Trouble
Low power or low free speed
Motor will not run
Rough operation
Air leaks
Gear Case gets hot
SAVE THESE INSTRUCTIONS. DO NOT DESTROY.
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MAINTENANCE SECTION
TROUBLESHOOTING GUIDE
Probable Cause
Dirty inlet or Air Strainer Screen Using a clean, suitable cleaning solution in a well–
Worn or broken Vanes
Worn or broken Cylinder and/or
scored End Plates
Dirty motor parts
Improper positioning of the
Reverse Valve
Incorrect assembly of the motor
Worn or broken Rear Rotor
Bearing or Front Rotor
Bearing
Worn or broken gear teeth
Worn Throttle Valve Face or
Throttle Valve Face Cap
Oil Chamber Plug worn or not
tight
Insufficient grease
Worn or damaged parts
Solution
ventilated area, clean the Air Strainer Screen. Al-
low to air dry.
Replace the complete set of Vanes.
Examine the Cylinder and replace it if it is worn or
broken or if the bore is scored or wavy. Replace
the End Plates if they are scored.
Disassemble the tool and clean all parts with a
clean, suitable cleaning solution in a well–venti-
lated area. Reassemble the tool as instructed in
this manual.
Make certain the Reverse Valve is fully engaged.
Disassemble the motor, replace worn or broken
parts and reassemble as instructed.
Examine each bearing. Replace if worn or
damaged.
Check for worn or broken gearing. Replace any
damaged or worn gears.
Replace worn parts.
Tighten the Plug. If the problem persists, replace
the Plug.
Clean and inspect the Gear Case gearing parts and
lubricate as instructed in LUBRICATION.
Clean and inspect the Gear Case and gearing.
Replace worn or broken components.