Installation Instructions
6
FRONT
AXLE
B1700·B2100·B2400 WSM,11771
III Bi-speed Turn Power Train
[Standard 4WD]
11)-----H-~
10
Bi-speed clutch
is
mechanically engaged
when
front
wheel reaches
approximately
0.42 rad. (24°)
turning
angle.
This bi-speed
turn
front
wheel speed
is
1.53
times
higher than
the
standard
front
wheel speed.
III Standard 4WD
21T
Gear Shaft
(3)
~
Shifter (4)
~
Bi-speed Turn
Coupling
(8)
~
Spiral Bevel Pinion Shaft (11)
~
Front
Axle.
III Bi-speed Turn 4WD
21T
Gear Shaft
(3)
~
13T-10T Gear Shaft
(5)
~
18T
Gear
(1
0)
~
Bi-speed Turn Clutch Drum (9)
~
Friction
Plate
(7)
~
Clutch
Disc
(6)
~
Bi-speed Turn Coupling
(8)
~
Spiral Bevel Pinion Shaft (11)
~
Front Axle.
(1
)
Shift Fork
(10)
18TGear
(2)
Shifter Collar
(11)
Spiral Bevel Pinion Shaft
(3)
21TGearShaft
(12)
Shift
Rod
(4)
Shifter
(13)
Shift Roller Shaft
(5)
13T-1
OT
Gear Shaft
(14)
Shift Roller
(6)
Clutch Disk
(15)
Shift
Cam
(7)
Friction Plate
(16)
Shift Lever
(8)
Bi-speed Turn Coupling
(17)
Change Fork
(9)
Bi-speed Turn Clutch Drum
(18)
Change Lever
III Bi-speed
Cam
(5) Spring
(6) Change Lever
(7) Shift Lever
(B)
Bi-speed
turn
"OFF"
(D)
More
than
0.44 rad. (25°)
Bi-speed
turn
4WD and standard 4WD positions
are selected by change lever
(6)
to
move
the
position
of
shift
cam
(1). This lever
is
operated by
the
bi-speed
turn
change lever located on
the
right
side
of
the
clutch housing.
III Standard 4WD Position
The
bi-speed
turn
change lever
is
shifted
to
the
"OFF" position.
The
shift
cam
(1)
is
free
to
turn,
so
that
the
shift
rod
(2)
and
shift
fork
(4)
are remained in standard
4WD position by springs (3), (5).
III Bi-speed Turn 4WD Position
The
bi-speed
turn
change lever
is
shifted
to
the
"ON"
position.
When
the
steering
wheel
is
turned
more
than
approx. 0.44 rad. (25°)
turning
angle,
the
shift lever
(7) and
shift
cam
(1)
are turned together. This
cam
make the
shift
rod (2) move the
arrow
direction
so
that
the shifter
is
engaged
with
the
bi-speed
turn
clutch.
When
the
steering
wheel
is
turned
less
than
approx. 0.40 rad. (23°)
turning
angle, the
shift
rod
doesn't move in spite
of
the
cam
rotation.
(1) Shift
Cam
(2) Shift
Rod
(3) Spring
(4) Shift Fork
(A) Bi-speed
turn
"ON"
(C)
Less
than
0.40 rad. (23°)
turning
angle
(D)
3
[Bi-speed Turn 4WD]
(C) 3
'II
~
B177F614
B177F615
D6-M3