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SECTION 3 - LUBRICATION AND MAINTENANCE
3-86
AS REQUIRED
5. 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 sixteen nuts, 1, that retain the
inner wheel to the planetary hub. Remove
fourteen of the sixteen nuts from the
wheel, leaving two nuts, 2, 180° apart on
the wheel as shown. This will retain the
rim to the hub and fit into the notches on
the center wheel’s rim. Choose the two
remaining nuts carefully so that the valve
stem of all wheels will align for easier tire
inflation 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 wheelrim.
DANGER: THE DRUM-STYLE DUAL
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 dish welded 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.
1
2
2
Figure 3-143
Figure 3-144