Section 05
TRANSMISSION
Subsection 03
(DRIVE PULLEY)
05-03-7
GENERAL
Some drive pulley components (return spring,
ramp) can be changed to improve vehicle perfor-
mance in high altitude regions. The
High Altitude
Technical Data booklet (P/N 484 0686 00 and 484
0545 00 for binder) gives information about cali-
bration according to altitude.
NOTE:
TRA clutch stands for Total Range Adjust-
able clutch.
REMOVAL
30,31, Conical Spring Washer and Screw
Use clutch holder (P/N 529 0064 00).
TYPICAL
1. Retaining screw
2. Insert in any slot
NOTE:
Sliding half can be removed while fixed
half remains on crankshaft.
Remove retaining screw.
To remove drive pulley ass’y and/or fixed half from
engine, use puller (P/N 529 0079 00).
To Remove Drive Pulley Ass’y:
Retain drive pulley with clutch holder.
Install puller in pulley shaft then tighten.
DISASSEMBLY
1,2, Screw and Ring Gear
5,6, Fixed and Sliding Half
Screw puller into fixed half shaft about 13 mm
(1/2 in). Raise drive pulley and hold it by the sliding
half while knocking on puller head to disengage
fixed half.
-
CAUTION
Such modifications should only be per-
formed by experienced mechanics since they
can greatly affect vehicle performance. Verify
spring specifications before installation. Do
not only refer to the spring color code.
;
WARNING
Any drive pulley repairs must be performed
by an authorized Bombardier snowmobile
dealer, or other such qualified person. Sub-
component installation and assembly toler-
ances require strict adherence to procedures
detailed.
A20D06A
2
529 0064 00
1
;
WARNING
Never use any type of impact wrench at
drive pulley removal and installation.
-
CAUTION
These pulleys have metric threads. Do not
use imperial threads puller. Always tighten
puller by hand to ensure that the drive pulley
have the same type of threads (metric vs im-
perial) prior to fully tighten.
-
CAUTION
Retaining screws must be heated before dis-
assembly.
-
CAUTION
Do not tap on governor cup.
Содержание Formula S 1998
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