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3-92
435/485/535
F3-131
F3-128
Standard and Row Crop Drum Style Dual Wheels
a. Row crop drum duals have a longer drum on the
outer wheel to give proper spacing for 30
" row
crops. Follow the listed procedure for both styles of
duals.
b. Put 51 mm - 76 mm (2
" - 3") wood blocking under
the wheel to be dualed.
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 outside duals 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 outside
wheel rim and pilot it onto the planetary studs.
Make sure that the two (3) notches in the outer
wheel rim align with the two nuts remaining on the
inner wheel rim.
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.
e. Reinstall the 18 nuts (1) removed in Step c.
f. Torque the wheel nuts to 710 N
·m (525 ft-lbs).
g. Repeat the above procedure for the other remaining
wheels.
h. Drive the tractor, steering lock to lock. Park the
tractor and recheck the torques on the wheel nuts
as described in Step f.
F4-65
1
1
2
3
2
3
Section 3 - Operation
Wheel Installation - Dual
4
Dual Wheel configuration