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Maintenance
6
5
7
1
3
Figure 6.5
Design of hydraulic wheel axle brake
(1) expander arm , (2) expander shaft, (3) adjustment bolt, (4) hydraulic cylinder, (5) cylinder piston rod,
(6) cylinder fork, (7) cylinder pin
IMPORTANT
Incorrectly adjusted brake may cause rubbing of
brake shoes against brake drums, which may lead to
faster wear of brake linings and/or brake overheat-
ing.
extension length of each brake cylinder
piston rod while braking at parking. If the
piston rod stroke exceeds the maximum
value (45mm), the system should be
adjusted.
During dismantling of cylinder fork (6), re-
member or mark the original position of
cylinder fork pin (7) Mounting position de-
pends on the type of the braking system
4
2
and size of the trailer tires. It is selected by
the manufacturer and cannot be changed.
IMPORTANT
The positions for fixing the brake cylinder in the
bracket openings and the brake cylinder pin in the
expander arm are determined by the Manufacturer
and must not be changed.
Each time when dismantling the pin or brake cylin-
der, the original fixing position should be marked.
PROCEDURE
• Hitch trailer to tractor.
• Turn off tractor engine and remove
key from ignition.
• Immobilise the tractor with parking
brake.
PRONAR T700M/1
Section 6
589-J.03-1
6.7
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