PRONAR 663/4 SILO, Operator'S Manual, Page: 103 / 135

SECTION 5 Pronar T663/4 T663/4 SILO
5.11
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.
in direction (A), if braking is too early,
in direction (B), if breaking is too late.
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