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- - - - - - - - - - - - - - - . , S E C T I O N A
dished side of
the
disc is facing
the
tractor (mini-
mum range), when the wheel is
installed
on the
other side
of the
tractor the
dished side
will be fac-
ing
away from
the
ttactor.
After
inter-changing
the
wheels, tighten
the disc to hub
nuts
to 350
lbf.ft
(475 Nm).
Changing Track Width Range - 30 and 38 in.
wheels
To change from one track
width
range to another,
it is
necessary
to remove the clamps and reposi-
tion them on
the
other side of the wheel discs, as
follows:
NOTE: •If the
wheels are at
the
mini.mum track
setting
with the
clamps on the outside
of
the discs,
or,
if
the,
wheels are
at
the maximum setting with
the
clamps on the inside
of
the discs, it will be nec-
essary
to
move
the stop lugs one positionfrom the
extreme
and
power adjust the wheels
as
previ-
ously
described
before the clamps can be re-
moved.
Position the
wheel
with
the
stop lugs at
the
bottom
and
loosen
the nuts
on all the clamp
screws.
Working
from
the
top
of the
wheel,
remove one
clamp
at
a time
and
reposition on the other
side of
the wheel disc to fit against the
rail
and disc. To
obtain this fit it will
be
necessary to
install
the
clamp one hole
either side
of the original
posi-
tions.
Tighten
the clamp nuts just sufficiently
to retain
the
clamps.
When
the three
upper clamps
have been
reposi-
tioned in this way. move the tractor until the stop
lugs are
at
the top
of
the wheel.
Reposition the re-
maining
clamps on
the
other side of the wheel
disc.
Before repositioning
the
upper clamp the stop lugs
must
be
removed. Re-install the
stop
lugs when
the clamp
is
correctly positioned.
Tighten
all
clamp nuts unifonnly,
SO
lbf.ft
(68 Nm) at a time, until a torque of 325 !bf.ft
(440 Nm) is obtained. 'Seat'
the
clamps using a
hammer
and hardwood block
then
retorque the
nuts
to 325 lbf.ft (440 Nm).
IMPORT ANT:
30 and 38 in. wheels only: Check
the gap between each clamp and the wheel disc.
See Figure
44.
The gap should not vary more
than
0.125
in.
(3
mm) between any of
the
six clamps
otherwise the rim and tire will not run tru.e
and
ex-
cessive side
loads
will be imposed
on
one or more
of the rails.
Tighten the stop
lug
screws
to 33
lbf.ft
(45 Nm).
Repeat the procedure
on the
other wheel.
Drive
the
tractor for approximately
200 yards
(200
m) and
check
the
clamp
nut
torques.
Re-
check the
torque settings
after 1 hour and 8 hours
operation
and
thereafter
at the
50 hour service in-
terval.
WARNING:
Never operate the tractor
with a loose wheel rim or disc. Always
tighten nuts
to
the specified torque and at the rec-
ommended intervals. Owners should ensure that
all steering components are maintained in a reli-
able and satisfactory condition to ensure safe op-
eration and comply with legal requirements.
USE OF DUAL WHEELS, ROWCROP
WHEELS, TERRA TIRES AND OTHER
SPECIALIZED WHEEL EQUIPMENT
Dual rear wheels are available as a dealer installed
accessory
in conjunction with
certain power ad-
just wheels. The
dual
wheel
kit
consists
of
power
adjust rims and
rim to disc attaching hardware.
Both wheels are supponed
by
the same disc. Be-
fore the outer wheels can
be
installed, the inner
wheels
must
be power adjusted to the
minimum
41
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