Buhler 535 - Manual (Page 121)

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 5 mm - 76 mm (2" - 3") wood blocking under
the wheel to be dualed .
c . There are 20 nuts () that retain the inner wheel to
the planetary hub . Remove 8 of the 20 nuts from
the wheel, leaving 2 nuts (2) 80° 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 8 nuts () removed in Step c .
f . Torque the wheel nuts to 70 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