PRONAR T663/4 Operator's Manual page 103

SECTION 5
Trailer wheels must brake simultaneously. BRAKES ADJUSTMENT INVOLVES CHANGING
THE POSITION OF THE EXPANDER ARM (1), FIGURE (5.4), in relation to expander shaft
(2).
Required maintenance activities
Dismantle pin (3) fixing the cylinder fork (4) to expander arm (3).
Mark position of expander arm (1) with regard to the shaft (2).
Dismantle arm and set it in the appropriate position.
Repeat the process for the second arm.
Replace the pin fixing the cylinder fork to expander arm.
FIGURE 5.4 Adjustment of axle mechanical brakes
(1) expander arm, (2) expander shaft, (3) pin, (4) cylinder fork
in direction (A), if braking is too early,
in direction (B), if breaking is too late.
5.11
Pronar T663/4 T663/4 SILO