BOMBARDIER 1980 Shop Manual page 95

SECTION 03
SUB-SECTION 02, (ENGINES)
BOTTOM END
CLEANING
Discard all oil seals, gaskets, "0" rings and sealing rings.
Clean alJ metal components in a non-ferrous metal
cleaner.
Remove old sealant from crankcase mating surfaces with
Bombardier sealant stripper.
. . , CAUTION: Never use a sharp object to scrape
V
away old sealant as score marks incurred are
detrimental to
~rankcase
sealing.
DISASSEMBLY & ASSEMBLY
0@@Crankcase halves are factory matched and there-
fore, are not Interchangeable or available as single halves,
Prior to Joining of crankcase halves, apply" Loctite 515"
(no, 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 tighten nuts
by hand then install armature plate (tighten) on magneto
side to correct align the crankcase halves.
Torque bolts to 22 N'm (16 ft-Ibs) following illustrated
sequence.
16
14
13
15
000Torque to 22 N'm (16 It-Ibs),
0At assembly on crankcase, apply "Loctite 242" on
threads.
@Torque to 35 N'm (26 It-Ibs).
@)Apply "Loctite 242" on threads prior to assembly.
@It is recommended to wrap "Teflon" pipe tape around
threads.
(444 ENGINE TYPE), PAGE 6
@Because of cap nuts, cylinder studs have to be screwed
Into crankcase so that they do not protrude further than
15.6 cm (6.140"), If it is not possible to obtain this
length, a washer must be added between cylinder head
cap and cap nut,
Apply "Loctite 242" on the threads of the two studs
screwed above the intake ports .
15.6 em
Longer threaded part of stud should be screwed into
crankcase.
@To remove bearings from crankshaft, use a protective
cap and special puller as illustrated,
Protective cap
~~~
Special puller
);i;=.~
Prior to installation, place bearings Into an oil contamer
and heat the oil to 100°C (212°F), This will expand
bearing and ease installation.
Install bearings with groove outward.