Installation Instructions

B1700·B21 00·B2400 WSM, 11770
(2) Differential
Lock
3 TRANSMISSION
B177F322
(1)
Differential
Pinions
(2)
Shift
Fork
(3)
Differential
Lock Lever
(4)
Differential
Gear Shaft
(5) Spiral Bevel Gear
(6)
Differential
Pinion Shaft
(7)
Differential
Case
(8)
Differential
Lock Clutch
(9)
Differential
Gear Shaft
When
resistance
to
the
right
and
left
tires
are
greatly
different
due
to
ground
conditions
or
type
of
work,
the
tire
with
less
resistance slips and prevents
the
tractor
from
moving
ahead.
To
compensate
for
this
drawback,
the
differential
lock
restricts
the
differential
action
and
causes
both
rear axles
to
rotate
as
a
unit.
When
the
differential
lock pedal
is
stepped on,
it
causes
the
differential
lock lever
(3)
to
rotate,
which
will
move
the
shift
fork
(2)
and
the
differential
lock
. clutch (8)
toward
the
spiral bevel
gear
(5). The
differential
lock clutch
(8)
engaged
with
the
teeth
of
the
differential
case
(7)
to
cause
the
differential
case
(7)
and
the
differential
lock clutch (8)
to
rotate
as
a
unit.
Therefore,
differential
pinions (1) are
unable
to
rotate
around
differential
pinion
shaft
(6)
and
identical revolutions are transmitted
to
the
right
and
left
differential
gear shafts (4), (9).
3-M17