Arctic Cat Sno Pro 500 Operator's Manual page 45

14. Remove the cap screw (B) securing the upper
MAG-side engine mount to the chassis; then
remove the lower cap screw (C) securing the
engine to the chassis.
15. Move the engine up far enough to gain access to
the coolant hose clamps securing the hoses to the
lower crankcase and thermostat housing; then
loosen the clamps and remove the coolant hoses.
16. Remove the engine from the MAG-side of the
chassis and account for the engine mount spacer
(A) located between the MAG-side and PTO-side
engine mounting bracket; then with the engine
removed, remove the cap screws securing the
engine mounting brackets to the engine.
NOTE: For installing purposes, note the location
of the different-length cap screws.
Disassembling Engine
NOTE: It is advisable to loosen the spark plugs
prior to disassembling the engine.
1. Using the Flywheel Spanner Wrench (p/n 0144-
007) to secure the flywheel, remove the flywheel
cap screw and flat washer; then remove the three
starter pulley cap screws and remove the pulley.
0744-860
2. Install Flywheel Puller Insert (p/n 0644-179) onto
the end of the crankshaft.
0744-859
3. Using Flywheel Puller (p/n 0744-040) or suitable
substitute, remove the flywheel from the crank-
shaft by tightening the puller bolt, striking the
head of the puller bolt with a hammer, and tighten-
ing again. Repeat this procedure until the flywheel
is free. Account for the key.
To prevent damage to the crankshaft, do not thread
puller bolts more than 12.7 mm (1/2 in.) into the fly-
wheel. Damage to the coils may result.
CAUTION
FC014
FC015
FC016
39