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7-10
REMOVAL AND DISASSEMBLY
STEERING
GEAR AND TIE RODS
(242)
REPLACER J
1587
Figure 7-
I S- Insta lli ng Control Sha ft
Lower Bearing
Figure
7-14-Removing Control Shaft Lower Bearing
6. Inspect steering shaft for wear or brinel-
ling in ball
and
roller bearing races, which would
r
equir e replacement of shaft; check shaft to
make sure it is
straight.
7. Inspect teeth of ball nut and pitman shaft.
If
scored or
excessively
worn it is advisable
t
o
replace
both parts to ensure
W'
0 per mating of
teeth. Check serrations of pitman shaft; if
twisted, replace the shaft.
8.
Check
fit of pitman shaft adjusting screw
and
shim in the slot in end of pitman
shaft.
With shim in
place, screw
head must
be free
to
turn in slot with no perceptible end play to
.002"
loose.
If
end play is excessive, selectively
fit a new shim; these are furnished in four
different
thicknesses.
9. Inspect steering colum
n
jacket for distor-
b.
Cleaning and
Inspe ction
of Steering
Gear
Pa
rts
1. Clean and inspect all ball and roller bear-
ings and
races,
including race in housing, as
described under Bearing Service (par. 1-13,
1-14)
.
2.
Thoroughly
clean all other pa
rts
in clean
kerosene or other solvent and wi
pe
dry with
clean cloths. Do not clean signal switch housing
assembly with
solvent
as switch and wiring will
be damaged.
3. Inspect pitman shaft bushings in gear
housing and end cover. Rep
lace
bushings in
housing and
replace
end cover if
bushings
are
worn
excessively.
4.
It
is advisable to
replace
t
he
pitman
shaft
grease seal in housing to avoid possible
leakage
of
lubricant. The seal must be installed with
feather edge toward inside of housing.
5. Inspect oil shedder and control shaft
bearing in gear housing.
If
bearing is of doubt-
fu
l conditi on r
eplace it, using Remover J 1583
to remove old
bearing
and
Replacer
J
1587 t
o
install new bearing. See figures 7-14 and 7-15.
Use care when installing new bearing as
har d
gear
shifting
will result if this
bearing
is
damaged.
loosen control lever housing clamp bolt by in-
serting screwdriver through slot in jacket, then
slide housing from transmission control shaft.
Remove housing lower thrust and plain washers.
3. Remove back-up light switch. Remove
neutral safety switch and shift control detent,
on Dynaflow cars
only.
Remove steering column
jacket and seal from gear housing.
4. Remove control rod and control shaft from
jacket if inspection of
these
parts is
desired.
Pull signal switch wires through slot in jacket
and remove switch housing assembly from
jacket.
5.
Loosen adjusting screw lock nut, then re
-
move housing side cover with pitman shaft
attached. Remove gasket. Separate pitman
shaft from side cover by unscrewing the ad-
justing screw. (See figure 7-13.)
6. Loosen lock nut and back off worm thrust
bearing adjuster several
turns,
then remove
housing end cover and gasket. Remove lower
thrust bearing, steering
shaft,
and upp
er bear-
ing from housing.
7. Remove ball return guide clamps and
guides from ball nut, t
urn
ball nut over to
re-
move balls
,
then remove ball nut
from
steering
shaft worm.
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