349F and 352F Excavators Machine System Specifications Caterpillar


Pump Head (Main)

Usage:

352F-VG A9J



图 1g01505843

(1) 4 只螺栓的扭矩 ... 12.0 ± 1.8 N·m (105 ± 16 lb in)

(2) 两个螺栓的扭矩 ... 29.0 ± 4.3 N·m (255 ± 40 lb in)

(3) 5 个螺塞的扭矩 ... 8.8 ± 1.3 N·m (80 ± 12 lb in)

(4) 两个螺栓的扭矩 ... 12.0 ± 1.8 N·m (105 ± 16 lb in)

(5) 两条螺栓的扭矩 ... 12.0 ± 1.8 N·m (105 ± 16 lb in)




图 2g01505842

(6) 两条螺栓的扭矩 ... 29.0 ± 4.3 N·m (255 ± 40 lb in)

(7) 4 只螺栓的扭矩 ... 6.9 ± 1.0 N·m (60 ± 9 lb in)




图 3g01505841

剖面 A-A

(8) 5I-8811 弹簧

自由长度 ... 26 mm (1.0 in)
外径 ... 23.1 mm (0.91 in)

(9) 5I-8810 弹簧

自由长度 ... 35.2 mm (1.39 in)
外径 ... 15.4 mm (0.61 in)

(10) 锁紧螺母扭矩 ... 160 ± 24 N·m (120 ± 18 lb ft)

(11) 螺母的扭矩 ... 19.0 ± 2.8 N·m (170 ± 25 lb in)

(12) 295-9582 弹簧

自由长度 ... 42.7 mm (1.68 in)
外径 ... 30.5 mm (1.20 in)

(13) 295-9581 弹簧

自由长度 ... 28.3 mm (1.11 in)
外径 ... 17.8 mm (0.70 in)



图 4g01505840

剖面 B-B

(14) 295-9576 弹簧

自由长度 ... 33.2 mm (1.31 in)
外径 ... 19.9 mm (0.78 in)

(15) 4 只螺栓的扭矩 ... 12.0 ± 1.8 N·m (105 ± 16 lb in)

(16) 螺母的扭矩 ... 16.0 ± 2.4 N·m (140 ± 21 lb in)

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