BOMBARDIER 1980 Shop Manual page 110

SECTION 03
SUB-SECTION 02, (ENGINES)
BOTTOM END
CLEANING
Discard all oil seals, gaskets, "0" rings 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
(00@Crankcase 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 "Loctite 51 5" (413 7027 00) 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 N'm (16 ft-Ibs) following illustrated sequence.
15
7 11
3
9 5 13
16
8 12 4 2 10 6 14
O NOTE: Torque the two smaller bolts (15 and
on magneto side to 13 N'm (10 It-Ibs).
000
Torque to 22 N'm (16 It-Ibs).
0Torque to 14 N'm (10 ft-Ibs).
16)
@At assembly on crankcase, apply "Loctite 242" on
threads.
@)Torque to 36 N'm (26 ft-Ibs),
@Apply "Loctite 242" on threads prior to assembly.
(464 ENGINE TYPE), PAGE 6
@Because 01 cap nuts, cylinder studs have to be screwed
mto the crankcase so that they do not exceed further
than 57.5 mm (2.260")
n
57,5 mm
Apply "Loctlte 242" on the threads of the two studs
screwed above the intake ports.
@@To remove bearings Irom crankshaft, use a protec-
tive cap special puller as illustrated.
Protective cap
I~~,.~
V
~
Special puller
~.
Prior to installation, place bearings into an oil container
and heat the oil to 100°C (212°F). This will expand
bearing and ease installation, Install bearings with groove
as per the following illustration.