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Просмотр инструкции снегоходы Ski Doo SUMMIT 2005, страница 1087
Section 04 ENGINE (4-TEC)
Subsection 05 (CYLINDER AND CYLINDER HEAD)
NOTE: Secure camshaft chain no. 27 with a re-
taining wire.
Inspection
Check camshaft timing gear for wear or deteriora-
tion.
If gear is worn or damaged, replace it as a set
(camshaft timing gear and timing chain).
For crankshaft timing gear, refer to CRANKSHAFT
AND DRIVE GEARS.
Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
Using the camshaft locking tool (P/N 529 035 839),
lock camshaft on TDC position.
1
R1004motr88A
2
1. Camshaft locking tool
2. Camshaft on TDC position
Install the camshaft timing gear with the writing
visible.
IMPORTANT: Make sure that tensioner is in place
and properly preloaded before tightening sprocket
screws.
Fit the screws with Loctite 243 (P/N 293 800 060).
Torque screws to 9 N•m(80lbf•in).
CAUTION: Crankshaft and camshaft must be
locked on ignition TDC position of cylinder 1
(front-side) to place camshaft timing gear and
timing chain in the proper position.
TIMING CHAIN
Refer to CRANKSHAFT/DRIVE GEARS.
CYLINDER HEAD
Removal
The removal procedure is the same for both cylin-
der heads no. 12 and no. 71.
Lock crankshaft with crankshaft locking tool
(P/N 529 035 900), refer to CRANKSHAFT/DRIVE
GEARS.
Drain coolant (refer to COOLING SYSTEM).
Disconnect temperature sensor and/or camshaft
position sensor.
Remove:
– RH side cover
– seat support
– exhaust pipe and upper engine support (refer to
REMOVAL AND INSTALLATION)
– engine outlet hose
– air intake manifold (refer to COMPONENT IN-
SPECTION AND ADJUSTMENT)
– chain tensioner (refer to CHAIN TENSIONER)
– valve cover (refer to VALVE COVER)
– valve cover and profile sealing ring (see VALVE
COVER above)
– breather (refer to BREATHER)
– decompressor (refer to DECOMPRESSOR)
– camshaft timing gear (refer to CAMSHAFT TIM-
ING GEAR)
– cylinder head screws M6 no. 21
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R1004motr89A
1. Cylinder head screws M6
– cylinder head screws M11 no. 20 retaining
cylinder head and cylinder to cylinder base.
220 mmr2005-025
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