BOMBARDIER 1980 Shop Manual page 64

SECTION 03
SUB-SECTION 02, (ENGINES)
BOTTOM END
CLEANING
Discard all all seals, gaskets, "0" nngs and sealing rings,
Clean all metal components in a non-ferrous metal
cleaner. Remove old "Loctite" from crankcase mating
surfaces with Bombardier sealant stripper.
. . . CAUTION: Never use a sharp object to scrape
" away old sealant as score marks incurred are
detrimental to crankcase sealing.
DISASSEMBLY & ASSEMBLY
000Crankcase halves are factory matched and there-
fore, are not interchangeable or available as single halves.
Prior to jOining of crankcase halves, apply a light coat
of "Loctlte 515" (413 702700) on mating surfaces.
. . . CAUTION: Before joining of crankcase halves be
... Sure that crankshaft rotary valve gear is well
engaged with rotary valve shaft gear.
Position the crankcase halves together and torque bolts
by hand, then Install armature plate (tighten) on magneto
side to correctly align crankcase halves, Torque bolts
to 22 Nom (1 6ft-lbs) following Illustrated sequence.
o
15
7 3
9 5 13
16
B 12
4
10 6 14
NOTE: Torque the two smaller bolts (15 and 16)
on magneto side to 13 Nom (10 ft-Ibs),
00@Apply "Loctlte 242" on threads pnor to assem-
bly.
(354-454 ENGINE TYPES), PAGE 6
@@Because of cap nuts, cylinder studs have to be
screwed into the crankcase so that they do not exceed
further than 82.5 mm (3.250") on exhaust Side
and 57.5 mm (2.260") on Intake Side.
n
575 mm
Apply "Loctlte 242" on the threads of the two studs
screwed above the intake ports .
@@Torque to 22 Nom (16 ft-Ibs),
@Torque to 14 Nom (10 ft-Ibs).
@At assembly on crankcase, apply "Loctlte 242" on
threads.
@Torque to 35 Nom (26 ft-Ibs).
@®@lTo remove beanngs from crankshaft, use a pro-
tective cap and special puller as Illustrated.
Prior to Installation, place bearings into an oil container
previously heated to 1 OO'C (212' F). ThiS will expand
bearing and ease installation. Install bearings
With
groove
as per the follOWing illustration,