Polaris 2012 Sportsman Forest 500 International, Service Manual

Page: 229 / 432

6.17
CLUTCHING
6
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
NOTE: Rubber side of the button is positioned
toward the solid roller pin. It is recommended to
switch all buttons to the rubber version during
service (if needed).
Button To Tower Clearance Inspection
1. Inspect for any clearance between spider button to
tower. If clearance exists, replace all buttons and
inspect surface of towers.
See “Spider Removal”
procedure.
2. Inspect sheave surfaces. Replace the entire clutch if
worn, damaged or cracked.
Shift Weight Inspection
1. If clutch is not disassembled, inspect as shown, using
a clutch holding tool to compress the moveable
sheave. The contact surface of the weight should be
smooth and free of dents or gall marks.
2. Remove shift weight bolts and weights. Inspect as
shown. The contact surface of the weight should be
smooth and free of dents or gall marks. Inspect the
weight pivot bore and pivot bolts for wear or galling. If
weights or bolts are worn or broken, replace in sets of
three with new bolts.
NOTE: A damaged shift weight is usually caused by
a damaged or stuck roller in the spider assembly.
See “Roller, Pin and Thrust Washer Inspection”.
= In. / mm.
Button to Tower Clearance:
000-.001”
WARNING
The clutch assembly is a precisely balanced
unit. Never replace parts with used parts from
another clutch assembly!
Broken Worn Good