Installation Instructions
6
FRONT
AXLE
[BI-SPEED TURN TYPE]
81700'82100·82400 WSM,11771
8177F614
(1) 8i-speed Turn
Clutch
(2) FrontWheel Hub
(3) Spiral 8evel Pinion
Shaft
6
(4) Torque Wrench
(5)
Jig
(6)
Shim
(7) Gear Shaft
Bi·speed Turn Clutch Friction Torque
1.
Lift
up
the
front
of
tractor
and set the stand.
2.
Remove the
front
tires.
3.
Shift the
front
wheel drive
leverto
"ON"
position.
4.
Shift
the
bi-speed
turn
leverto
"ON"
position.
5.
Set
the
parking brake.
6.
Fully
turn
the
steering wheel
to
the
left
or
right
to
set
the
bi-
speed
turn
"ON"
position.
7.
Set
the
torque
wrench
(4)
with
the
special
jig
on
the
front
wheel hub
(2)
and set
the
special
jig
(locking bar) on
the
other
side
of
front
wheel hub.
8.
Measure
the
torque,
when
the
bi-speed
turn
clutch
is
slipped.
9.
If
the
torque
is
not
within
the
factory specifications, adjust
it
with
the
shims (6).
Dyna m
ic
friction
441.3
to
490.4 N'm
torque
of
bi-speed
Factory
spec.
45
to
50
kgf'm
turn
clutch on
the
front
wheel hub
325.5
to
361.7 ft-Ibs
(Reference)
• Thickness
of
shims:
1.0
mm (0.039 in.),
1.5
mm (0.059 in.)
• When
the
dynamic friction
torque
of
bi-speed
turn
clutch
is
measured on
the
gear shaft (7), its factory specifications
as
follows.
Dyna m
ic
friction
86.40
to
96.01
N'm
torque
of
bi-speed
Reference value
8.81
to
9.79 kgf'm
turn
clutch on
the
gear shaft
63.65
to
70.81
ft-Ibs
II
NOTE
• Check
the
springs, clutch discs and
friction
plates
if
the
correct
torque
can't
be
adjusted.
Clearance between Shift Fork and Shifter Groove
1.
Place
the shift
fork
in the shifter groove and measure
the
clearance
with
a feeler gauge.
2.
Ifthe
clearance exceeds the allowable
limit,
replace.
Factory
spec.
0.1
toO.? mm
Clearance between
0.004
to
0.028 in.
shift
fork
and shifter
groove
Allowable
limit
1.0mm
0.04 in.
II
NOTE
• When measuring
the
clearance,
be
sure
to
place
the
shifter
collar between
the
shift
fork
and shifter.
D6-S13