TROUBLESHOOTING GUIDE
Trouble
Probable Cause
Solution
Motor will not operate
Gears binding due to improper
installation.
Using a hand torque wrench, turn the output shaft.
If the force needed to turn the shaft exceeds
3--7 in--lbs (.339--.791 N m), the gearing is improp-
erly installed. Disassemble and reassemble the
gearing as instructed in the
Maintenance
section.
Low air pressure at Motor.
Check air supply. For top performance, the air
pressure must be 90 psig (6.2 bar/620 kPa) at the
inlet.
Worn Vanes.
Install a new set of Vanes.
Loss of power.
Damaged Rear End Plate Gasket.
Install a new Rear End Plate Gasket.
Inadequate Motor lubrication.
Check air line lubricator. Refer to page 2 for
lubrication specifications.
Worn or damaged parts.
Disassemble the Motor and examine parts. Replace
any worn or damaged parts.
Motor heats up.
Inadequate lubrication.
Refer to
Lubrication
section on page 2.
Gear Case Heats up.
Improper lubrication.
Refer to
Lubrication
section on page 2.
Grease leakage.
Too much grease in the Gear Case. Refer to
Lubrication
section on page 2.
SAVE THESE INSTRUCTIONS. DO NO DESTROY.
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