Gearcase Disassembly - Polaris MS4000 Service And Owner's Manual

FINAL DRIVE

Gearcase Disassembly

1. Drain the oil from the mid drive gearcase. Properly dispose
of the oil.
2. Remove the output cover bolts (A) and the output cover (B).
A
3. Remove the O-ring (C) and two shims (D) from the output
cover.
NOTE: The two shims are different of thickness. Be
sure to note the placement of the shims as they are
removed from the output cover for later installation.
7.30
B
C
D
4. Remove the output shaft and ring gear assembly (E) from
the gearcase. Inspect the ring gear for abnormal wear,
broken, or chipped teeth. Inspect and spin the bearings (F),
the bearings should rotate smoothly.
E
F
5. Remove the wave spring (G) from the gearcase assembly.
6. Remove the bolts from the input cover (H).
F
G
H