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4-4 CONNECTING ROD AND PISTON
The connecting rod is forged aluminum alloy, and its
large and small ends function as bearings.
The piston is an aluminum alloy casting, and carries
two compression rings and one oil ring.
4-5 PISTON RINGS
The piston rings are made of special cast iron.
The profile of the top ring is barrel face and the second ring has a tapered face.
The oil ring is designed for better sealing and less oil consumption, in combination with 3 pieces.
4-6 CAMSHAFT
The camshaft is made of special cast iron and
camshaft gears are casted together in one piece.
Each 2 cam robs are provided for intake and
exhaust valves correspondingly.
Both sides of the shaft fit into the plane bearings on
the crankcase and main bearing cover.
TOP
RING
SECOND
RING
OIL
RING
1
2
3
BARREL
TAPER
COMBINATION
RING
1
2
3
Содержание EH63
Страница 1: ...SERVICE MANUAL EH63 64 65 and EH72 ENGINES Models PUB ES2158 Rev 08 09 ...
Страница 84: ......
Страница 85: ...PRINTED IN THE USA ...