69D and 769D Off-Highway Truck/Tractors and 771D Quarry Truck Hydraulic System Caterpillar


Hoist Cylinder

Usage:

769D 5SS



图 1g02411420

(1) 四条螺栓的扭矩 ... 430 ± 60 N·m (317 ± 44 lb ft)

(2) 杆

连杆的外径 ... 101.550 ± 0.038 mm (3.9980 ± 0.0015 in)

(3) 油缸

气缸内径 ... 146.10 ± 0.08 mm (5.752 ± 0.003 in)
气缸外径 ... 165.050 ± 0.038 mm (6.4980 ± 0.0015 in)
包括两道棱在内的气缸外径 ... 175.75 ± 0.13 mm (6.919 ± 0.005 in)

(4) 油缸

气缸内径 ... 177.80 ± 0.10 mm (7.000 ± 0.004 in)

(5) 用少许所要密封的润滑剂润滑密封唇。

(6) 在拧紧螺栓前使杆完全伸出。

(7) 活塞

活塞外径,包括两道棱 ... 145.55 ± 0.05 mm (5.730 ± 0.002 in)

(8) 头部

缸盖内径 ... 165.18 ± 0.03 mm (6.503 ± 0.001 in)

(9) 头部

缸盖的扭矩 ... 870 ± 130 N·m (642 ± 96 lb ft)

Caterpillar Information System:

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