Installation Instructions
81700·82100·B2400 WSM,11770
7
STEERING
Bl77P209
Seal
Ring on Ball Nut
1.
Cut the
seal
ri
ng
with
a knife and remove it.
2.
Remove
the O-ring inside the teflon ring.
(When reassembling)
• Apply grease
to
the ring groove.
•
Replace
the
seal
rings
with
new
ones.
• Stretch the
teflon
ring by hand, install
it
on
the
ball nut, and
press
it
so
that
it
is
restored
to
its original form.
(1)
Ball
Nut
(1)
U-Seal
U-Seal
on Gear Box
1.
Remove
the
U-seal
(1)
with
a sharp tool.
(When reassembling)
•
Replace
the
U-seal
(1)
with
new
ones.
• Directthe
lip
ofthe
U-seal
(1)
inward.
CD
After
applying grease
to
the ring groove and
to
seals, set
them.
Seal
Rings
on Gear Box
1.
Remove
the
seal
ring
(1).
2.
Remove
the
seal
ring
(2).
(When reassembling)
• Apply grease
to
the
ri
ng groove.
• Replace
the
seal
rings
(1)
(2)
with
new
ones.
• Change
the
shape
of
the
seal
ring
(1)
to
the heart figure by
fingers, install
it
on the gear box and
press
it
so
that
it
is
restored
to
its original form.
(2)
Seal
Ring
(1)
Seal
Ring
Bl77F715
SERVICING
Bl77P210
Clearance between Steering Gear Box and Ball Nut
1.
Measure the steering gear box cylinder
1.0.
with
a cylinder
gauge.
2.
Measure the ball
nut
0.0.
with
an
outside micrometer, and
calculate this clearance.
3.
If
the clearance exceeds
the
allowable
limit,
replace
the
steering gear box or ball
nut
assembly.
Factory
spec.
0.035
to
0.079 mm
Clearance between 0.001
to
0.00311 in.
steering gear box and
ball
nut
Allowable
limit
0.15
mm
0.0059 in.
Gear box bore
J.D.
Factory
spec.
56.005
to
56.030
mm
2.2049
to
2.20591 in.
Ball
nutO.D.
Factory
spec.
55.951
to
55.970 mm
2.20280
to
2.20354 in.
7-S
11