120H and 135H Motor Graders Air System and Brakes Caterpillar


Parking Brake

Usage:

120H 124



图 1g01395042

(1) 离合器组

数量 ... 6
一块新盘的厚度 ... 3.18 ± 0.13 mm (0.125 ± 0.005 in)
摩擦片
数量 ... 五片
一片新片的厚度 ... 4.95 + 0.08 - 0.13 mm (0.195 + 0.003 − 0.005 in)
可继续使用的最小允许厚度 ... 4.45 mm (0.175 in)

(2) 用所要密封的润滑剂略微润滑密封唇。

(3) 螺栓扭矩 ... 120 ± 20 N·m (90 ± 15 lb ft)

(4) 弹簧(外部)

测试长度 ... 49 mm (1.9 in)
测试力 ... 253.7 ± 20.3 N (57 ± 4 lb)
测试后的自由长度 ... 64.3 mm (2.53 in)
外径 ... 24 mm (0.9 in)

(5) 弹簧(内部)

测试长度 ... 49 mm (1.9 in)
测试力 ... 139.5 ± 11.2 N (31 ± 2 lb)
测试后的自由长度 ... 64.3 mm (2.53 in)
外径 ... 16.46 mm (0.648 in)

(6) 用少量密封的润滑剂润滑孔。




图 2g01322869

(7) 螺塞扭矩 ... 35 ± 3 N·m (26 ± 2 lb ft)

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