Crankshaft/Balancer/Piston Removal/Installation - Honda GX270H Manual

62Z7B000.book 6 ページ ２０１２年９月２７日 木曜日 午前１０時２１分
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CRANKCASE
CRANKSHAFT/BALANCER/PISTON
REMOVAL/INSTALLATION
Remove the following:
– Cylinder head (page 13-3)
– Fuel tank (page 6-3)
– Flywheel (page 8-5)
LOCK PIN (10 mm)
INSTALLATION:
Install the lock pin immediately after installing the governor arm
shaft in the direction as shown.
The 10 mm lock pin must be installed with the straight side of the
10 mm lock pin against the groove of the governor arm shaft.
SEALING WASHER
(12 mm) (2)
OIL LEVEL
SWITCH
NUT (10 mm)
10 N·m (1.0
kgf·m, 7 lbf·ft)
OIL DRAIN
BOLT (2)
23 N·m (2.3
kgf·m, 17 lbf·ft)
WASHER
(8.2 x 17 x 0.8 mm)
GOVERNOR ARM SHAFT
O-RING
BALANCER
OIL LEVEL SWITCH
WEIGHT
(If equipped)
(GX390H1 ONLY)
FLANGE BOLT
(6 x 12 mm) (2)
14-6
CONNECTING ROD BOLT
14 N·m (1.4 kgf·m, 10 lbf·ft)
CONNECTING ROD LOWER
(Apply to the threads and
seating surface)
PISTON
INSTALLATION:
Install the piston to the cylinder
barrel with the mark on the piston
head toward the push rod hole of the
cylinder head.
Viewed from cylinder head side
GROOVE
CRANKSHAFT
INSTALLATION:
Before installing the crankshaft,
check the oil seal of the cylinder
barrel for damage or hardening.
Be careful not to damage the oil
seal when installing the crankshaft.
INSTALLATION:
Set the connecting rod lower with
the oil dipper toward the camshaft.
MARK
VALVE LIFTER
REMOVAL:
When removing the
valve lifters, mark so
that the intake and
exhaust sides can be
distinguished.
INSTALLATION:
Attach the valve lifters
to the cylinder barrel
immediately before
installing the camshaft.
CAMSHAFT