(4) Disconnect the
tractor
meter
cable.
(5) Remove the cap
on
steering handwheel,
loosen the
nut
and take
off
the handwheel.
(6) Check to be sure, for safety's sake,
that
all
electrical wires have been disconnected.
From
steering column, remove panel and
panel cover together.
(7)
From
clutch
housing
and
steering gear
box, remove fuel
tank
bracket
with fuel
tank.
(8) Undo the ball socket
joint
between pitman
arm and drag link.
The
gearbox
is
now
accessible for its removal.
Disassembling the steering gearbox
Except
when the gearbox
need
to
be re.placed,
it
is
not
necessary to take
it
down
for
it can be
disassembled and reassembled in place.
(1)
Remove the gearbox from
clutch
housing.
(2) Remove pitman arm from sector shaft.
(3) Loosen boIts securing the holder
to
the
right-hand side
of
gearbox,
turn
adjusting
screw clockwise, and take the
holder
off.
( 4) Reposition the sector shaft gear
to
the
shape
of
gearbox. Drive lightly on the
pi tman arm-side end face
of
sector shaft to
force
it
out.
(5)
From
the sector
shaft
removed, separate
adjusting screw and shim.
[NOTE]
If
sector shaft is
not
to
be replaced,
preserve the shim for re-use. Keep the
removed shim separate from others.
(6) Loosen boIts securing the steering column,
remove the column, and remove the ball
nut
sub-assembly from the gearbox.
FRONT
AXLE
& STEERING LINKAGE SYSTEM
Reassembling
the
steering gearbox
Have all disassembled parts cleaned
by
wash-
ing.
Be
sure
to
oii moving parts before using
them in reassembly.
(1)
Press bearing
outer
races
into
the
bottom
of
the gearbox and the column flange.
(2) Fill the gearbox with 0.3 liter (0.63 pint)
of
gear oil.
(3)
Fit
bearing
inner
race
to
the ball
nut
sub-
assembly, and set this sub-assembly in place
inside the gearbox.
(4)
Attach
steering column to
the
gearbox
tentatively, making the bolts snug-tight.
(5) Adjust
the
thickness
of
the shim (whose
location
is
shown) in such a
way
as
to
give
a bearing preload
of
0.025
~
0.055 kg-m
(0.18
~
0.4
ft-Ib) to the worm shaft
in place. The shim
stock
for this adjust-
ment
is
available in these thicknesses:
Shim set parts No.
67453-00115
Thickness
Q'ty
0.05 mm (0.002 in.)
2
0.07 mm (0.0028 in.)
2
0.08 mm (0.003 in.)
2
0.10 mm (0.004 in.)
2
0.20 mm (0.008 in.)
2
4·15
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