BOMBARDIER ski-doo Tundra Scandic 2004 Series, Shop Manual, Page: 245 / 427

Section 05 TRANSMISSION
Subsection 04 (DRIVEN PULLEY)
05-04-2
MMR2004-124_05_04A.FM
NOTE: Driven pulley components (support, cam,
shoes, etc.) can be serviced without removing the
whole driven pulley from chaincase. Refer to the
following procedures but neither remove brake
caliper nor open chaincase for those cases.
REMOVAL
To remove driven pulley from chaincase, follow this
procedure.
Remove guard and drive belt from vehicle.
Remove brake support from chaincase with brake
ass’y.
Free countershaft support from support clamp.
Chaincase
Open chaincase and drain oil. Unlock and remove
upper sprocket.
The following is required to have enough space to
remove driven pulley from chaincase:
Loosen steering column upper retaining screws.
Disconnect carburetor boots from intake manifold
and air intake silencer.
Disconnect impulse hose from engine.
Disconnect oil injection supply line at injection
pump and plug line to prevent draining.
Remove screws retaining rear engine support to
chassis.
Tip engine forward just enough to allow driven pul-
ley removal from chaincase. Block in this position.
NOTE: In some cases, chaincase retaining
screws might have to be loosened to allow pivot-
ing of chaincase. In this case, note position of
alignment shims. In addition, air intake silencer
and oil injection reservoir might have to be slightly
moved to get enough space to pull driven pulley.
Remove bearing cone.
Knock driven pulley shaft with a plastic hammer
and pull driven pulley out.
DISASSEMBLY
To disassemble driven pulley, driven pulley spring
compressor (P/N 529 035 300) must be used. See
following procedure.
Position stop nut 13 mm (1/2 in) from threaded rod
end, as shown in the next photo.
A. 13 mm (1/2 in)
Install driven pulley spring compressor (P/N 529
035 300). Fully tighten the 13 mm (1/2 in) exposed
threads in driven pulley. Tighten stop nut. Tighten
tool knob to compress spring then remove roll pin
no. 2 .
Step : Tighten stop nut
Step : Tighten knob to compress spring
Step : Remove roll pin
Once roll pin has been removed, loosen knob until
spring pressure is completely released.

WARNING
To avoid injuries always hold stop nut with a
key when loosening knob, as shown in the next
photo.
A05D0WA
A
2
A05D0XB
1
3
1
2
3