990H Wheel Loader and 844H Wheel Dozer Braking System Caterpillar


Hydraulic Tank and Filter (Implement, Brake)

Usage:

844H BTW



图 1g01181084

正视图和后视图

(1) 螺柱的扭矩 ... 35 ± 5 N·m (26 ± 4 lb ft)

(2) 螺母的扭矩 ... 20 ± 1.5 N·m (15 ± 1 lb ft)

(3) 量规螺栓的扭矩 ... 7 ± 1 N·m (60 ± 9 lb in)

(4) 利用空气对油箱进行压力试验。 ... 150 ± 35 kPa (22 ± 5 psi)




图 2g01181085

剖面 A-A

(5) 2M-6911 弹簧

在试验力下的长度 ... 137 mm (5.4 in)
试验力 ... 1046 ± 45 N (235 ± 10 lb)
试验后的自由长度 ... 228.6 mm (9 in)
外径 ... 49.3 mm (1.94 in)



图 3g01181086

仰视图




图 4g01181087

剖面 B-B

(6) 螺塞的扭矩 ... 68 ± 7 N·m (50 ± 5 lb ft)

(7) 7B-3039 弹簧

在试验力下的长度 ... 26.19 mm (1.03 in)
试验力 ... 15.55 ± 1.25 N (3.50 ± 0.3 lb)
试验后的自由长度 ... 36.5 mm (1.44 in)
外径 ... 19.8 mm (0.78 in)



图 5g01181088

C 剖面

(8) 1L-4349 弹簧

在试验力下的长度 ... 106.0 mm (4.17 in)
试验力 ... 83.9 ± 6.7 N (19 ± 1.5 lb)
试验后的自由长度 ... 139.7 mm (5.5 in)
外径 ... 24.41 mm (0.96 in)

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