BOMBARDIER ski-doo Tundra Scandic 2004 Series, Shop Manual

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Section 04 ENGINE
Subsection 02 (277 ENGINE TYPE)
MMR2004-111_04_02A.FM
04-02-11
NOTE: Engine must be removed from chassis to
perform the following procedures.
CLEANING
Discard all oil seals and gaskets.
Clean all metal components in a non-ferrous metal
cleaner.
DISASSEMBLY
General
To remove drive pulley, refer to DRIVE PULLEY.
To remove magneto, refer to MAGNETO.
2,6, Crankcase Half
Heat to 110 - 120°C (230 - 248°F) all around bear-
ing seat on PTO side. Install puller (P/N 420 876
298) to plate (P/N 529 024 900) with flat washer
under screw heads and extract PTO side crank-
case half
no. 1 .
1. Plate
2. Flat washer
Heat to 110 - 120°C (230 - 248°F) all around bear-
ing seat on MAG side. Install puller with plate, long
bolts M8 x 110 mm and flat washers. Extract MAG
side crankcase half
no. 2 .
1. Plate
2. Flat washers
To remove seals nos. 3 and 4 , push from outside
the crankcase towards the inside.
To remove bearings nos. 5 and 6 from crankshaft
use a protective cap and special puller as illustrated.
1. Protective cap
2. Special puller
INSPECTION
Refer to LEAK TEST AND ENGINE DIMENSION
MEASUREMENT.
A05C0GA
1
M8 x 40
2
M8 x 30
A05C0HA
1
M8 x 110 mm
2
1
2
A00B28A