Chain Tensioner - Can-Am DS 450 2008 Shop Manual

Apply CV grease (P/N 293 550 019) on O-ring.
Insert a NEW hub on axle and align splines.
Using the same steel tube as for removal, press
hub until the C-clip groove allows C-clip insertion.
CAUTION: Be careful not to press more than
needed. Otherwise, the O-ring might be dam-
aged.
Install C-clip.
Press hub in the opposite direction until hub bot-
toms on the C-clip.

CHAIN TENSIONER

Chain Tensioner Inspection
Check seals for damages. Replace if necessary.
Check if the bearings turn smoothly and freely.
Replace them if necessary.
NOTE: If bearings were seized on rear axle, care-
fully inspect it. New bearings must have a slide fit
on the axle.
Chain Tensioner Removal
Remove rear axle. Refer to
complete procedure.
Remove the circlip on the LH side of chain ten-
sioner.
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1. Circlip
2. Caliper bracket
Remove caliper bracket.
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1. Pull off bracket
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REAR AXLE
above for
Section 07 DRIVE SYSTEM
Subsection 01 (DRIVE CHAIN/REAR AXLE)
Remove chain tensioner from the RH side.
Chain Tensioner Disassembly
Remove and discard both seals.
Using a heat gun, heat chain tensioner lobes.
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1. Heat here
Drive bearings out by using a punch.
NOTE: Support chain tensioner properly to avoid
damaging it.
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Chain Tensioner Assembly
Clean inside and outside of chain tensioner to re-
move antiseize and adhesive products.
Apply a thin layer of Loctite 609 (P/N 413 703 100)
on outer race of each bearing.
CAUTION: On rear sprocket side, bearings
could stick together if a large amount of Loctite
609 is used.
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