BOMBARDIER 1980 Shop Manual page 236

SECTION 05
SUB-SECTION
03,
(DRIVE PULLEY)
•
WARNING: Drive pulley repairs that include any
disassembly or assembly procedures must be per-
formed by an authorized Bombardier dealer, or other
such qualified person. Sub-component installation and
assembly tolerances require strict adherence to proce-
dures detailed.
REMOVAL
Some pulley components are marked to insure proper
assembly. If components lack such marks. marking should
be done manually before disassembly. as per illustration.
INDEXING MARKS IN LINE
(2)
Fixed half
CD
Sliding half
CD
Governor
cup
@,'
III I I
@
Hub plug
l~j
With engine cold. remove spark plugs then bring P.T.O.
(Power Take Off) piston at T.D.C. (Top Dead Center)
position. Rotate drive pulley
45
0 clockwise then Insert
enough starter rope into cylinder to fill it completely.
Open tab lock and remove retaining bolt.
Remove drive pulley assembly using appropriate puller.
PIN
529002100
on all standard thread taper shaft
pulleys
or
PIN 860 414 200 on Citation and Mirage models (met-
ric threads)
Remove starter rope blocking piston. then reb lock piston
after having turned 45
0
counter-clockwise from T.D.C.
position.
Install puller In pulley shaft then tighten. at the same
time knock slightly on puller head to disengage pulley
from engine crankshaft.
(DRIVE PULLEY). PAGE 8
DISASSEMBLY & ASSEMBLY
Remove sliding half assembly and governor cup.
• CAUTION: Do not tap on the governor cup.
The governor cup can be easily removed
by
inserting
two (2)
t"
Xl" NC bolts and tightening alternately
until cup pulls out.
Some bolts of the drive pulley having "Loctite" on their
threads, it is advisable to use a tool such as an impact
to break the "Loctite" seal before attempting to unscrew.
0Torque to 7 N'm (5 ft-Ibs).
0Apply "Loctite 242" on threads then screw In until
head IS flush with hub plug. Do not allow head to bite
Into hub plug.
®®@At disassembly. hold hub plug firmly against
sliding half until the two (2) bolts are completely removed.
This will prevent damage of the sliding half threads. At
assembly. apply "Loctl1e 242" on threads of bolts then
torque to
1 6
N'm
(12
ft-Ibs).