PRONAR RC3100 Operator's Manual page 122

Section 6
are not blocked with impurities and
that there is no water or ice inside the
brake cylinder.
• Clean the brake cylinder. If nec-
essary, defrost the brake cylinder and
drain water through the unblocked
vent holes. Replace damaged brake
cylinder with a new one. When in-
stalling the brake cylinder, maintain
its original position with regard to
bracket (7).
• Rotate adjustment bolt (4) to align the
marked expander arm opening with
the brake cylinder fork opening.
During adjustment, membrane
(2) must rest on the rear wall of
the brake cylinder.
• Install the brake cylinder fork pin
and washers and secure the pin with
cotter pins.
• Rotate adjustment bolt (4) to the right
6.6 PRONAR RC3100
until one or two clicking sounds are
heard in the expander arm regulating
mechanism.
• Repeat the adjustment activities for
other cylinders.
• Engage the brake.
• Remove previous marks and measure
the brake cylinder piston rod stroke
again.
• If the brake cylinder piston rod stroke
is outside the proper operating range,
repeat the adjustment.
CHECKING THE BRAKE OPERATION
• After completed adjustment, perform
a trial run.
• Engage the brake several times. Stop
the tractor with trailer and check the
temperature of brake drums.
• If any of the drums is too hot, correct
the brake adjustment and perform
a trial run again.
Maintenance
J.3.1.526.04.1.EN