7.27
FINAL DRIVE
7
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
6. Place ADC Piston Tool PA-48542 on top of the piston
and verify alignment of the sight hole (circled) and
piston mark with the casting marks. Support the case
and press the piston down evenly. The piston is fully
seated and located in the pin bosses when the piston
surface is just below the cavity edge.
7. Repeat procedure for the other gearcase half.
NOTE: Verify that the o-rings are seated properly
a
nd that no o-ring shavings exist outside of the
piston area, which is an indication of damage during
installation.
Assembly
1. Thoroughly clean the gearcase components before
beginning reassembly.
2. Install a new seal in the main gearcase halve.
3. Install the input shaft assembly.
Install the pinion
gear/ bearing assembly (1). Install a new seal and o-
ring the input shaft cover (2) prior to reassembly.
4. Install the snap ring retaining the input shaft
ass
embly.
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