Disassembly / Inspection - Polaris A12MH46AX Service Manual

FINAL DRIVE

Disassembly / Inspection

1. Drain and properly dispose of used oil. Remove any
metal particles from the drain plug magnet.
2. Remove the piston pump assembly from the
gearcase.
NOTE: Piston pump is a non-serviceable item and
should not be disassembled. Replace as an
assembly if found to be damaged or non-working.
3. Remove screws (arrows) retaining the outer cover
plate assembly.
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9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
4. Remove the outer cover plate assembly. Remove
and inspect the cover o-ring (A). Replace items as
required.
A
NOTE: Thrust bearing (2) located between the two
output assemblies is pressed into the clutch pack
and is not removable.
5. Remove the output clutch assembly. Inspect thrust
bearing (B) for wear. Inspect the bearings, contact
surfaces and splines of the output clutch for signs of
wear or damage. Visually inspect the clutch plate
area. If plates are steel-on-steel, or if the friction
material is worn, the assembly should be replaced.
B
NOTE: Excessive debris in the oil and/or noise
coming from the front drive on deceleration are key
indicators of clutch pack failure. Replace clutch as
an assembly if found to be worn or damaged.