Yamaha EF2000iS - Inverter Generator, Руководство по обслуживанию

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3-42
ENG
PISTON, CONNECTING ROD, CRANKSHAFT AND
CRANKCASE
45˚
a b
c d
90˚
90˚
90˚
b
1
a
a
b
ASSEMBLING THE CRANKSHAFT
1. Make sure that the end gap of each piston
ring is positioned, as shown in the illustra-
tion.
a
Top ring
b
Upper oil ring rail
c
Second ring
d
Lower oil ring rail
2. Install:
9
Piston already assembled to connect-
ing rod
1
TIP
9 Make sure that the
“ ”
mark
a
on the
piston head faces toward the push rod.
9 Make sure that the “PTO” mark
b
on the
connecting rod faces toward the crank-
case cover.
3. Install:
9
Crankshaft
9
Connecting rod cap
TIP
Make sure that the “ ” mark
a
on the con-
necting rod is aligned with the “ ” mark
b
on
the rod cap.
4. Install:
9
Camshaft
9
Crankcase cover
Refer to “CRANKCASE COVER AND
CAMSHAFT”.
3. Install:
9
Piston
1
9
Piston pin
2
9
Piston pin circlip
3
TIP
9
Make sure that the “FWM” mark
a
on the
connecting rod faces as shown.
9
Make sure that the “ ” mark
b
on the piston
head faces toward the push rod.
9 Nm (0.9 m · kgf, 6.6 ft · lbf)
a
b
3
1
2
7DK40-03_b 6/12/09 5:50 PM Page 53