TESTING AND ADJUSTING
EX20 Series 20-13
ADJUSTING PARING BRAKE
ADJUST OPERATING EFFORT OF LEVER
1. Release the parking brake (push the lever forward).
2. Adjust the operating effort of the lever with turning
the adjusting bolt
.
ADJUSTING CLEARANCE
1. Turn the adjustment wheel in the direction to expand
the shoe to bring the lining into tight contact with the
brake drum.
2. Turn the adjustment wheel to set the clearances
(point X and point Y in the diagram on the right)
between the drum and lining to 0.1–0.25 mm (0.004–
0.01 in). (If the wheel is turned back 11 notches, the
clearance is adjusted to 0.25 mm (0.01 in.))
Operating effort of lever 196 N {20 kgf}
Adjustment bolt
ADJUSTING PARING BRAKE
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