Maintenance and Adjustment
72
410/420/430 - 001 8903 U1
UZEL
Brakes
Disc Brakes - MF 410/420/430
Check the brakes every 250 hours, or more frequently
if heavy work is involved.
Procedure to adjust the brakes:
1. With the rear wheels attached, jack up the rear of
the tractor and place it on axle stands with the wheels
clear of the ground.
2. Slacken off the parking brake cable on the right-
hand side of the tractor.
3. With the aid of an assistant, rotate one of the
wheels slowly, at the same time tighten the adjuster
nut (Fig. 100) until the wheel just locks. It is important
to always rotate the wheel forwards.
4. The clearance is adjusted by unscrewing the
adjuster nut a number of flats back-off related to the
number of friction discs fitted to one side of the axle,
see table below:
Fig.100
Tractor model
No. of friction
discs
No. of flats of nut
back-off
5. Carry out the same operation on the left-hand side
of the tractor.
410/420/430 4 9
6. Tighten the parking brake cable.
7. Road test the tractor, and check the brakes for
binding or pulling to one side. Any tendency to pull
to one side should be counteracted by slackening
off the adjuster nut on the side to which the tractor
pulls.
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