Drive Clutch Disassembly - Polaris 340 LX 2007 Service Manual

PVT System

Drive Clutch Disassembly

SPIDER BUTTON
COVER
COVER BEARING
RETAINER
CAUTION
Wear eye protection when servicing the drive clutch.
Sheaves must be marked to provide a reference point
for dutch balance and spider indexing. If the sheaves
are not marked and the spider washers are changed or
misplaced, the clutch may be out of balance and
damage to the clutch may result.
WARNING
Clutch spring is under extreme tension, use caution
when disassembling the clutch.
1. In a straight line, mark/etch the sheaves and the cover
with a black marker or a scribe.
2. Place the drive clutch in the clutch compression tool
(PU-50518), or similar clutch compressor tool.
3. Evenly remove the cover fasteners. The cover
bushing may be damaged if the cover is side-loaded
or mis-aligned.
4. Carefully remove the tension from the compression
tool.
5. Remove the cover and inspect the cover bearing.
Replace if damaged or worn.
NOTE: Replace the cover bearing if the inside
diameter is over 1.40 (28.95mm)
6. Remove the spring.
7. Mount the drive clutch securely in a drive clutch
holding fixture (PN 2871358-1).
8. Remove the jam nut in a counterclockwise direction
7.18
ROLLER
WASHER ROLLER PIN
SHIM
SPRING
JAM NUT
SPIDER
SPACERS
CLUTCH SPACER
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
WEIGHT
WEIGHT PIN
BEARING SLEEVE
MOVEABLE SHEAVE
(standard thread) using the drive clutch spider nut
socket (PN 2870338).
9. Install the spider removal tool (PN 2870341), and
remove the spider in a counterclockwise direction
(standard thread).
10. Measure the total thickness of the spacer washers
that are installed on top of the clutch spacer. Record
the thickness of these spacer washers. Note the .130
clutch spacer and that the washers sit on top clutch
spacer.
11. Inspect both sheave surfaces for wear or damage.
12. Inspect the moveable sheave bushing for wear or
damage.
13. Remove all three drive clutch weights.
14. Inspect each weight. The roller surface should be
smooth, with no waves or galling. Place bolt inside
weight to check flyweight bushing and pin surface for
wear by rocking the weight back and forth.
15. Inspect the rollers, bushings and roller pins by pulling
a flat metal rod across each roller.
16. Roller can also be inspected by rolling with a finger to
feel for flat spots, roughness, or loose bushing.
NOTE: The flyweight bushing is not replaceable. If
flyweight bushing is damaged both the flyweight, pin
and nut will need to be replaced.
17. Inspect to see if the roller and bushing are separating.
18. Bushing must fit tightly in roller.
19. Replace roller and pin if roller fails to roll smoothly (no
flat spots) or if the bushing is loose or worn.
MOVEABLE INSERT
STATIONARY SHEAVE