Tyres, Wheels, Ballasting
181
6
Bar Axle Adjustment
DS97M213
MAXIMUM TREAD - HUB FLANGE OUT
The maximum tread position of 3175mm (125 in) is
obtained with the hubs at the end of the axle shafts
and the hub flanges, wheel rims and discs turned out.
DS97M214
MINIMUM TREAD - HUB FLANGE IN
The minimum tread position of 1586 mm (62 in) is
obtained with the hub flanges, wheel rims and discs
turned in. Position the hubs on the axle shafts so that
there is a clearance of at least 50 mm (2 in) between
the tires and components of the rear fenders.
Use the following procedure to change the tread
setting:
STEP 1
Park the tractor on hard, level ground, apply the
park brake and stop the engine.
STEP 2
Clean any paint dirt or rust from the axle shafts
area where the hubs are to be located.
STEP 3
Loosen the six tapered bushing bolts.
STEP 4
To prevent accidental tractor movement if the
spring clutch engages when a rear wheel is
rotated; raise the front wheels off the ground and
install supports under the axle.
STEP 5
Lift the rear of the tractor until the rear tires are
just clear of the ground. Install supports under
the axle.
STEP 6
DI96M106
Remove the six bolts (1) from the tapered
bushing.
Clean the threads of the three threaded holes (2)
in the tapered bushing and apply oil. Install three
of the bolts removed and install into the threaded
holes and use as a jack to separate the hub and
bushing. Tighten the bolts evenly to separate the
wheel and hub from the tapered bushing.
STEP 7
Install a wedge into the bushing slot just enough
so that the bushing can be moved on the shaft to
the new tread position.
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