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Просмотр инструкции снегоходы Ski Doo SUMMIT 2005, страница 1086
Section 04 ENGINE (4-TEC)
Subsection 05 (CYLINDER AND CYLINDER HEAD)
NOTE: Engage the edge of centrifugal weight into
the decompressor shaft groove then put the parts
in place.
2
R1004motr84A
1
1. Decompressor shaft groove
2. Centrifugal weight
Place the torsion spring end under socket screw
head.
1
R1004motr85A
1. Position of torsion spring end
Install the cover no. 33. Position the cover on the
timing gear so that the holes fits to the pin of tim-
ing gear.
R1004motr176A
1
1. Hole in cover fits to pin of timing gear
CAUTION: Before and after cover installation,
make sure the centrifugal system works prop-
erly.
CAMSHAFT TIMING GEAR
The engine is equipped with two camshaft timing
gears no. 28 and no. 70. The timing gear provides
the signals for the camshaft position sensor and is
located in the cylinder head of the cylinder 2.
NOTE: Although it is not necessary to position
crankshaft to TDC for disassembly, it is a good
practice to do it, as a troubleshooting step, to
know before disassembly if valve timing was ap-
propriate.
Removal
The procedure for disassembly of the two
camshaft timing gears no. 28 and no. 70,is
the same.
Lock crankshaft with crankshaft locking tool
(P/N 529 035 900), refer to CRANKSHAFT AND
DRIVE GEARS.
Remove:
– valve cover (refer to VALVE COVER)
– breather (refer to BREATHER)
– chain tensioner (refer to CHAIN TENSIONER)
– decompressor (refer to DECOMPRESSOR)
– chain guide no. 30
– screws no. 29
– camshaft timing gear no. 70.
mmr2005-025 219
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