Installation Instructions

1
ENGINE
B1700·B2100·B2400 WSM,11770
21.6to26.5N·m
Tightening torque
Rocker arm bracket nuts
2.2
to
2.7
kgf'm
15.9
to
19.5 ft-Ibs
49.0
to
68.6 N'm
Nozzle holder assembly
5.0
to
7.0
kgf'm
36.2
to
50.6 ft-Ibs
Tightening torque
19.6
to
24.5 N'm
Overflow pipe assembly
2.0
to
2.5
kgf'm
retaining
nut
14.5
to
18.1
ft-Ibs
Overflow
Pipe, Nozzle Holder Assembly and
Glow
Plug
1. Remove
the
overflow
pipe assembly
{1}.
2. Detach
the
nozzle holders using a
21
mm
deep
socket
wrench.
3.
Remove
the
copper gasket
{3}
and heat
seal
{4}.
4.
Remove
the
glow
plug cock and
glow
plugs.
(When reassembling)
.. Replace
the
copper gasket and heat
seal
with
new
one.
(4)
Heat
Seal
(5)
Glow
Plug
(4)
Rocker Arm Shaft
(5)
Set
Screw
(1)
Overflow
Pipe
Assembly
(2) Nozzle Holder
(3)
Copper Gasket
(1)
Rocker Arm
(2)
Spring
(3)
Rocker Arm Bracket
Rocker Arm
1.
Remove
the
set nuts
for
the rocker arm brackets.
2.
Detach
the
whole
rocker arm.
3.
Remove
the
push rods.
4.
Remove
the
external snap ring, and detach
the
rocker arm
(1), spring
(2)
and rocker arm bracket (3)
from
the
rocker arm
shaft
(4).
II
NOTE
Before detaching the rocker arm bracket
of
gear
case
side
from
the
rocker arm shaft,
be
sure
to
remove
the
set screws.
(When reassembling)
Before inserting
the
push rods
into
the tappets, check
to
see
if
their ends are properly engaged
with
the grooves.
IMPORTANT
After
installing
the
rocker arm,
be
sure
to
check
the
valve
clearance.
0343F123
1-520