Section 01 ENGINES (1503 4-TEC)
Subsection 06 (CYLINDER HEAD)
CYLINDER HEAD
Removal
Lock crankshaft with crankshaft locking tool
(P/N 529 035 821), refer to CYLINDER BLOCK
section.
Drain coolant (refer to appropriate
VEHICLE SHOP
MANUAL
).
Disconnect coolant temperature and camshaft po-
sition sensors (CTS and CAPS).
Remove:
– exhaust manifold (refer to EXHAUST MANI-
FOLD elsewhere in this section)
– engine hoses
1
R1503motr253A
2
TYPICAL
1. Coolant hose
2. TOPS ventilation hose
– chain tensioner (refer to CYLINDER BLOCK
section)
– valve cover shield (see VALVE COVER RE-
MOVAL above)
– camshaft timing gear
– cylinder head screws M6
no. 16
1
R1503motr98A
1. Cylinder head screws M6
– cylinder head screws M11
no. 17
retaining
cylinder head to cylinder block.
1
R1503motr99A
1. Cylinder head screws M11
Pull up cylinder head
no. 18
.
Remove gasket
no. 19
.
Cleaning
Remove carbon deposits from combustion cham-
ber, exhaust port and piston top.
Inspection
Check for cracks between valve seats, if so, re-
place cylinder head.
Check mating surface between cylinder and cylin-
der head for contamination. If so, clean both sur-
faces.
78
smr2005-036
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Содержание Rotax 1503 4-Tec 2005
Страница 1: ...C M Y CM MY CY CMY K www SeaDooManuals net ...
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Страница 123: ...NOTES www SeaDooManuals net ...
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