BOMBARDIER 1982 Shop Manual page 168

SECTION 02 ENGINE
SUB-SECTION 07 (640 ENGINE TYPE)
CLEANING
Clean all metal components in a non-ferrous metal clean-
er.
_ CAUTION: Clean armature and magneto using
... only a clean cloth.
DISASSEMBL Y
- To gain access to magneto assembly, remove:
- fan grill
- rewind starter
- starting and V-belt pulleys
O NOTE: Before disassembling magneto plate, in-
dexing marks should be located to facilitate re-as-
sembly.
- @To remove magneto flywheel retaining nut:
lock crankshaft with crankshaft locking tool (service
tool) as illustrated
remove magneto retaining nut
Crankshaft
locking tool
O
NOTE: It should be noted that to correctly remove
a "Loctite" locked fastener it is first necessary to
tap on the fastener to break "Loetite" bond . This will
eliminate the possibility of thread breakage.
- @To remove magneto housing (flywheel):
lock crankshaft with crankshaft locking tool (service
tool) and adjust magneto housing puller (service
tool) as illustrated
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1/
Magneto housing
puller
tighten puller bolt and at same time, tap on bolt
head using a hammer to release magneto from its
taper.
REPAIR
-0
To replace a condenser:
Disconnect the two black leads using a soldering
iron .
Drive the condenser out of the armature plate using
a suitable pusher.
To reinstall, reverse procedure.
- @@When replacing breaker point set:
Clean breaker points with acetone, alcohol or ether.
Apply a light coat of grease on lubricating wick.
- @®
CD
Whenever a coil is replaced, the air gap
(distance between coil end and magnet) must be adjust-
ed:
To check air gap, insert a feeler gauge of 0.30-0.45 mm
(,012"-.018") between magnet and coil ends. If
necessary to adjust, slacken coil retaining screws and
relocate coi I.