---------------.,SECTION
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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