BOMBARDIER 1980 Shop Manual page 44

(
Measuring
distance
I
between
~
crankshaft
blades
c) Subtract measurement B from measurement A minus
tolerance. Total balance
IS
distance to be shimmed.
Shim(s) must be located between magneto side beanng
and crankshaft blade.
@Ta remove bearings from crankshaft use a protective
cap and special puller as illustrated. (See Tools Section.)
Special puller
.~
O NaTE: Prior to magneto side beanng Installation.
_. install required shim(s) (crankshaft end play) on
crankshaft extension. At assembly. place bearings into
an oil container and heat the oil to 100
0
C (210
0
F) for
5 to 10 min. This will expand the bearings and permit
them to slide easily on the shaft.
@To remove
Of
install new seal into crankcase use an
appropnate oil seal pusher as illustrated. (See Tools
Section).
SECTION 03
SUB-SECTION 02 (ENGINES)
Oil seal pushAr
II
~
no
420 977 920
Also, prior to crankcase adjoining. install a protector
sleeve on each crankshaft extension to prevent oil seal
damage (See Tools Section). Apply a light coat of lithium
grease on seal lip. Seal outer surface should be flush
with crankcase.
@At assembly. position labyrinth nng with bevelled side
on top.
@@To remove or install magneto retaining nut. lock
crankshaft in position with special hold·on support. (See
Tools Section).
/
/
~
Hold-on support
At assembly clean thoroughly and apply "Loctite 242"
on threads then torque retaining nut to 73 N"m (54 h·lbs).
(247 ENGINE TYPE). PAGE 5