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Maintenance
Manual No. 188000
September 1, 2009
Maintenance
Whizard
®
AirMax MACH 3 Operating Instructions and Parts
List
5-49
Inspection and Maintenance of Power Unit
(
Continued
)
Air Motor
Clean all build-up out of the inlet and exhaust ports.
Inspect the air motor for the following and replace or repair the air motor if damage is detected.
(See Air Motor Maintenance Section to repair the air motor).
Check for worn or chipped teeth. Worn out teeth are indicated by rounded off or pointed
tops on the teeth.
Look for cracked or broken gear teeth.
Inspect the upper bearing plate I.D. and O.D. for nicks, dents, or wear.
Inspect the vanes for chipped or broken tips by looking through the exhaust ports and
rotating the shaft to see all five vanes.
Inspect the guide pin to verify it is not bent.
The shaft should rotate freely.
Lubricate the air motor with mineral oil through the exhaust ports.
Exhaust
Ports
Shaft
Guide
Pin
Vane (5)
Inlet
Port
Gear Teeth
Upper Bearing
Plate