Maintenance
5-60
Maintenance
Whizard
®
AirMax MACH 3 Operating Instructions and
Parts List
Manual No. 188000
September 1, 2009
Inspection and Maintenance of Air Motor
Upper and Lower Bearing
Inspect the shields for dents. If damaged,
replace the bearing.
Rotate the bearing. If you feel a rough or
gritty resistance, replace the bearing.
If the center hub can be moved from side to
side, replace the bearing.
Upper Bearing Plate
Inspect the I.D. and O.D. for nicks, dents,
or wear. Replace the upper bearing plate if
damaged.
Inspect the alignment pin to be sure it is not
bent. Replace the upper bearing plate if
damaged.
Clean and dry the part thoroughly.
Cylinder
Inspect the cylinder I.D. for grooves. If the grooves are more than .002” (.05mm) deep,
replace the cylinder.
Clean and dry the part thoroughly.
Vanes
Inspect the vanes for chipped or broken tips. Replace if damaged.
Inspect the vanes for grooves. If grooves are more than .010” (.25mm) deep, replace the
vanes.
Inspect the vane height. If the overall vane height is less than .195” (.5mm), replace the
vanes.
NOTE:
Always replace all five (5) vanes as a set.
Center Hub
Shields
(on both sides)
