Advertisement
Maintenance
Figure 6.7
Principle of hydraulic brake adjustment
(1) brake cylinder piston rod, (2) brake cylinder housing, (3) expander arm, (4) adjustment bolt,
(5) brake cylinder fork, (6) fork pin, (7) brake cylinder bracket, (A) mark on the cylinder piston rod at
brake release position, (B) mark on the cylinder piston rod at full braking position, (C) position of arm at
brake release position, (D) position of arm at full braking position
are not blocked with impurities and
that there is no water or ice inside the
brake cylinder (pneumatic cylinder).
Check if the brake cylinder is cor-
rectly installed.
• Clean the brake cylinder. If nec-
essary, defrost the brake cylinder and
drain water through the unblocked
vent holes. (pneumatic cylinder). Re-
place damaged brake cylinder with
a new one. When installing the brake
cylinder, maintain its original position
IMPORTANT
Do not disassemble the membrane cylinder. The
membrane is glued into and may lose its tightness.
2
1
B A
7
with regard to bracket (7).
• Rotate adjustment bolt (4) to align the
marked expander arm opening with
the brake cylinder fork opening.
During the adjustment, mem-
brane (2) must rest on the rear
wall of the brake cylinder figure
(6.6) - (pneumatic cylinder).
• Install the brake cylinder fork pin
and washers and secure the pin with
cotter pins.
• Rotate adjustment bolt (4) to the right
until one or two clicking sounds are
heard in the expander arm regulating
mechanism.
• Repeat adjustment activities for the
C
D
6
3
589-J.05-1
PRONAR T700M/1
Section 6
25-45 mm
5
4
6.9
Advertisement
