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435/485/535
3-93
F3-131
Standard Drum-Style Triple Wheels
a. For triple tire configuration, it is only permissible
to install the inner wheel with the rim inset (narrow
tread width).
b. Put a 51 mm - 76 mm (2
"-3") wood block under
the wheel to be tripled.
c. There are 20 nuts (1) that retain the inner wheel
to the planetary hub. Remove 18 of the 20 nuts
from the wheel, leaving 2 nuts (2) 180° apart on
the wheel as shown. This will retain the rim to the
hub and fit into the notches (3) on the center wheel’s
rim. Choose the two remaining nuts carefully so that
the valve stem of both wheels are accessable (4) for
easier tire inflation pressure maintenance later.
d. Using an appropriate lifting device, lift the center
wheel rim and pilot it onto the planetary studs.
Make sure that the two slots in the center wheel
rim align with the two nuts remaining on the inner
wheel rim.
DANGER: THE DRUM-STYLE DUAL AND TRIPLE
WHEELS ARE EXTREMELY HEAVY AND WILL EASILY
TIP TOWARD THE DRUM END OF THE WHEEL. USE
AN APPROPRIATE LIFTING DEVICE AND SAFETY
CHAINS WHEN HANDLING DRUM-STYLE WHEELS.
NOTE: Do not mix up the center wheel with the outer
wheel. The center wheel has a dishwelded (5) in the
inner diameter to bolt the outside drum to.
NOTE: Install the wheels so that both inner and center
treads face the same direction.
NOTE: Install the center wheel so that the valve stem
is in line with the inner and outer wheels.
e. Reinstall the 18 nuts (1) removed in Step c.
Torque the wheel nuts to 710 N
·m (525 ft-lbs).
f. Using an appropriate lifting device, lift the outer
wheel and pilot it into the center wheel. Line up
the holes in the center wheel dish with the holes in
the outer wheel drum.
Section 3 - Operation
Wheel Installation - Triple
F4-65
1
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