BOMBARDIER 1982 Shop Manual page 32

SECTION 02 ENGINE
SUB-SECTION 01 (247 ENGINE TYPE)
CLEANING
Clean all metal components in a non-ferrous metal
cleaner.
_ CAUTION: Clean armature using only a clean
. . cloth.
DISASSEMBL Y
• To gain access to magneto assembly, remove:
- muffler
- upper column
- air duct
- air deflector
@
- spark plug cable clamp@
- fan cowl@
- starting pulley@
- pulley spacer@
O
NOTE: Before disassembling magneto , indexing
marks should be located to facilitate reassembly .
• @
To remove magneto retaining nut:
- Lock crankshaft with magneto housing holder(ser-
vice tool) as illustrated .
- Remove magneto retaining nut.
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 Loctite bond. This will elim-
inate the possibility of thread breakage.
If magneto housing holder is not available, crankshaft
can be locked with the following procedure:
PAGE32
- With engine cold, remove spark plug(s).
- Bring magneto side piston at top dead center posi-
tion.
- Rotate magneto 45° counterclockwise.
- Insert enough starter rope into cylinder to fill it com-
pletely .
- Remove magneto retaining nut .
• @
To remove magneto housing (flywheel): use fly-
wheel puller (service tool) and magneto housing holder
(service tool) as illustrated.
Magneto housing
holder
Tighten puller nut and, at same time, tap on bolt head
using a hammer to release magneto from its taper.
REPAIR
• CD
To replace a condensor:
- Disconnect the two black leads using a soldering iron.
- Drive the condensor out of the armature plate using a
suitable pusher.
- To reinstall, reverse procedure .
• G)When replacing contact breaker,
- apply a light coat of grease on lubricating wick
- clean breaker points with acetone, alcohol or ether.