Installation Instructions
81700·82100·82400 WSM,11772
SERVICING
CHECKING
AND
ADJUSTING
3
TRANSMISSION
8193P014
(1) 8rake
Rod
(RH)
(2)
HST
Pedal
Damper
(3) Neutral Adjuster
(4) Return Spring
(for
forward
adjustment)
(5) Return Spring
(for
reverse adjustment)
(6) Adjusting
Nut
(7) Adjusting
Nut
(8) Lock
Nut
(9) Lock
Nut
(10) Lock
Nut
(11) Neurtal Position
Adjusting
Nut
(12)
Rod
(13) Stay
Neutral
1.
Disengage the
front
wheel
drive
lever. (Drive
only
rear
wheels.)
2.
Lift
the
rear
of
the
tractor
so
that
the
rear wheels are
off
the
ground and run the engine
at
low
idling
and drive
only
rear
wheels.
3.
Depress
the
one end
of
speed control pedal and release, and
do
the
same
at
the other end.
4.
If
the
rear wheels
do
not
stop
turning,
adjust
as
following
procedure.
Adjusting Neutral
1.
Disconnect the brake rod
RH
(1).
2.
Loosen
the
lock
nut
(8)
(9)
and adjusting
nut
(6) (7)
until
springs
(4)
(5)
are freely.
3.
Loosen
the
lock
nut
(10) and neutral position adjusting
nut
(11) until washer welded on
the
rod (12) comes
off
from
stay
(13).
4.
Remove
the
HST
pedal damper (2).
5.
Loosen
the
neutral adjuster
(3)
setting screw.
(When rear wheels tend
to
turn
forward)
1.
Rotate
the
neutral adjusting lever clockwise
so
that
the
rear
wheels
turn
reverse.
2.
Then
rotate
it
counterclockwise
until
wheels
stop
completely.
(When rear wheels tend
to
turn
reverse)
1.
Rotate
the
neutral adjusting lever counterclockwise
so
that
the
rear wheels
turn
forward.
2.
Then rotate
it
clockwise until wheels stop completely.
(After
adjusting neutral)
1.
Make sure the
HST
control pedal (d)
is
at
the neutral position.
(Let the pedal
go
from
the
forward
to
the
neutral position,
as
well
as
from
the rearward
to
the
neutral position. Make sure
the pedal returns
to
just the
same
neutral position.)
2.
Turn
the
neutral position adjusting
nut
(11)
to
move
the
rod
(12) until there
is
a clearance
"A"
0 mm
(0
in.) between
the
welded washer and the stay (13). (Set in
position
with
a
slight contact.)
Now
turn
this
nut
counterclockwise by
half
a
turn.
Now
lock
the
nut
(10).
(Be
careful
not
overtighten
the
nut
(11). Otherwise the
HST
pedal may
get
stuck.)
3.
Finally lock the double
nut
(8),
(9)
so
that
the
spring (4), (5),
should
be
49
to
51
mm (1.93
to
2.01
in.)
forward
and
49
to
51
mm (1.93
to
2.01
in.) rearward in
length
Band
C.
----
Length
(B)
Length
(C)
Normal compression
50
mm (2.0 in.)
50
mm (2.0 in.)
Max. compression
42
mm (1.7 in.)
42
mm (1.7 in.)
Neutral adjuster setting
39.2
to
44.1
N'm
Tightening
torque
4.0
to
4.5
kgf'm
screw
28.9
to
32.5 ft-Ibs
E3-S1