12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Caterpillar


Front Axle

Usage:

143H 1AL



图 1g01393818

后视图

(1) 车轮倾斜液压缸

(2) 转向油缸

(3) 两个全螺纹螺母的扭矩 ... 700 ± 27 N·m (520 ± 20 lb ft)

(4) 两个螺母的扭矩 ... 120 N·m (90 lb ft)

注: 根据需要,将螺母 (4) 再拧紧一些,使其与开尾销对齐。




图 2g01393830

剖面 A-A




图 3g01393828

剖面 B-B

(F) 从臂组件到销端部的距离 ... 45.3 ± 0.3 mm (1.78 ± 0.01")

(G) 最小间隙 ... 0.8 mm (0.03")

(H) 轴承深度 ... 8.0 ± 0.5 mm (0.31 ± 0.02")




图 4g01393821

剖面 C-C




图 5g01393822

截面 D-D

(5) 螺栓的扭矩 ... 120 ± 20 N·m (90 ± 15 lb ft)

(6) 在前轮轴轴承上安装销前,先在销和轴承上涂上油脂。

(7) 垫圈的厚度 ... 1.52 ± 0.23 mm (0.060 ± 0.009")

注: 根据需要,加上垫圈 (7) 以达到尺寸 (K) 的最大间隙 1.5 mm (0.06")。

(J) 轴承的深度 ... 7.2 ± 0.4 mm (0.28 ± 0.02")




图 6g01393831

剖面 E-E

(L) 销的暴露长度 ... 2.0 ± 0.5 mm (0.08 ± 0.02")




图 7g01393837

顶视图

(8) 倾斜杆

(9) 每只转向油缸螺母的扭矩 ... 340 ± 40 N·m (250 ± 30 lb ft)

(10) 卡箍上的两个锁紧螺母的扭矩 ... 75 ± 7 N·m (55 ± 5 lb ft)

(12) 两个螺母的扭矩 ... 140 ± 14 N·m (105 ± 10 lb ft)

注: 根据需要,将螺母 (12) 再拧紧一些,使其与开尾销对齐。

(N) 从卡箍至横拉杆 (11) 杆端的距离 ... 6.4 mm (0.25")




图 8g01393826

剖面 M-M

(P) 销的暴露长度 ... 2.0 ± 0.5 mm (0.08 ± 0.02")

Caterpillar Information System:

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