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3.2.1.2 Brake adjustment
Brake shoe adjustment
Check the thickness of the brake lining. Remove both
black plastic plugs (5), one on each wheel. When the
brake lining has been worn to a thickness of 1 mm or
less, the brake shoes have to be replaced. After
inspection and/or replacement re-insert both plugs.
– Brake shoe adjustment re-establishes the brake
lining-to-drum clearance and compensates for
lining wear.
– Lift and support the generator. Make sure that all
brakes are off (overrunbrake and hand brake
lever). The brake cables must be free from
tension. Lock the swivel cams of the wheel brake
from the outside by means of a pin 4 mm (4)
through the hole as shown in the figure above.
– Turn the adjusting bolt (1) clockwise with a
wrench till the wheel locks up. Center the brake
shoes by actuating the parking brake several
times.
– Turn the adjusting bolt anti-clockwise until the
wheel is running free in direction of travel
(approx. 1 full turn of the adjusting bolt).
– Check the position of the equalizer (see “Brake
cable adjustment” on page 26) with the parking
brake actuated.
– Perpendicular position of equalizer = identical
clearance of wheel brakes.
– Re-adjust the brake shoes, if necessary.
– To test, slightly apply the parking brake and check
identical brake torque on left and right side.
– Remove locking pin (4). Remove clearance from
brake cables (3).
– Check all lock nuts (see “Brake cable adjustment”
on page 26).
Test procedure of brake cable adjustment
– Check if the towing eye rod of the overrun brake
mechanism is in the outmost position.
– Check if the adjustable towbar (= option) is in the
actual towing position.
– Apply the hand brake lever.
– Push the generator a few centimeters backwards
so that the brake lever is automatically pulled
further up.
– Check the position of the arrow marking 1 at the
catch lock in combination with the arrow marking
2 at the toothed sector, according to the figure.
Before jacking up the generator,
connect it to a towing vehicle or
attach a weight of minimum 50 kg to
the towbar.
1 Adjusting bolt
2Axle
3 Brake cable
4Pin 4 mm
5Plug
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