Service manual

CHASSIS
3
Pull sector
shaft cover
together
with sector shaft
from
gear housing
Disassemble sector
shaft
adjusting
screw and shims from
the
cover
c
Fig
ST 7
Pulling
out sector
shaft
4
Remove
fixing
bolts
used to secure
column
jacket
to
gear housing
and
pull
out column
jacket
r
1
3 Worm
bearing
4
Worm
bearing
adjusting
shim
Fig
SY 8
Removing
column
jacket
5
Remove
steering
worm
assembly
from
gear housing
and detach
wonn bearings
wonn
bearing adjusting
shims
and O
ring
Note Be careful not to allow ball nut to run down to the
worm
end If ball nut rotates
suddenly
to
the
worm end ends of ball
guides
may
be
damaged
6 Pry
out sector shaft oil seal from
gear housing
and
discard it
7 Remove column
jacket bushing
INSPECTION
AND REPAIR
Wash all
parts
in clean
solvent
and
dry
them
thoroughly
I Sector
shaft
Check sector
shaft tooth surface for
pitting
exfoliation
or other
damage
and
replace
as
necessary
Yhen gear
housing
bushing
contact
surface is
damaged
replace
sector
shaft and or
bushing
as necessary
Check
sector
shaft and sector shaft
bushing
for
bushing
and shaft
fitting Replace
them
together
when
excessively
worn
2
Steering
worm
assembly
It
is not
necessary
to disassemble ball
nut when it
rotates
smoothly
on column
worm Raise
steering
worm
assembly
vertically
and observe ball
nut
When
ball nut
rotates
and
comes
down
by
its
own weight
condition
is
satisfactory
In
this
test
if ball nut
is
turned
until it
reaches
the end
of
worm
thread ball
guide may
be
damaged
Do
not
allow ball nut
to
turn
down to the end
of
worm
thread When
steering
worm assembly
is defec
live
be
sure
to
replace
as an
assembly
3
Worm
bearing
Check
worm
bearing
for
pitting
wear
or
other
damage
and
replace
as
necessary
ASSEMBLY
AND
ADJUSTMENT
Apply genuine gear
oil MP 90 to all
disassembled
parts
Fit column
jacket bushing
to column
jacket
Note
When
fitting
apply
adhesive to
bushing
exterior
and
grease
to interior
2 Fill
space
between
sector
shaft oil seal
lips
with
grease
and
fit
it
to
gear housing
3 Place
steering
worm
assembly
in the
position
in
gear
housing
together
with
worm
bearings
and install column
jacket
on
gear housing together
with worm
bearing
shims
and O
ring