BF15D.BF20D
c.
INSTALLATION
1)
Install a new oil pump O-ring
to
the oil pump body.
2)
Install the oil pump assembly by aligning the groove of
the oil pump shaft with the pin on the camshaft as shown.
3)
Tighten the three
6
x
35
mm flange bolt
to
the specified
torque.
TORQUE:
11
Nom
(1.1
kgfom,
8
Ibfoft)
3.
CYLINDER HEAD DISASSEMBLY
Before removing the cylinder head, check the camshaft axial
play (P.
10-10).
1)
Remove the three 6
x
35
mm flange bolts oil pump and
O-ring.
2)
Loosen the all valve adjust lock nuts and valve adjusters
firmly.
3)
Pull the rocker arm shaft slowly, and remove the rocker
arms, spring, and fuel pump lifter.
Mark the rocker arm shaft and all rocker arms
so
they
can be placed back in their original position.
4)
Remove the camshaft.
I
[l] CAMSHAFT [2] PUMPSHAFT
\
/
[3] GROOVE
[4]
PIN
[l] O-RING
6
x
35
(3)
%
/
[2] OIL PUMP ASSY.
VALVE ADJUSTER
LOCK NUT (4)
11 01
VALVE ADJUSTER
SCREW(4)
121
FUEL PUMP ROCKER ARM
/
PI
ROCKER ARM SPRING
141
No. 2 INTAKE
ROCKER ARM
151
No. 2 EXHAUST
191
No. 1 INTAKE
ROCKER ARM
/
NO.
1 EXHAUST
ROCKER ARM
/
ROCKERARM
ROCKER ARM SHAFT
[71
CAMSHAFT
10-8
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