120H and 135H Motor Graders Hydraulic and Steering System Caterpillar


Control Valve (Sideshift)

Usage:

120H 124



图 1g01387463

带备用环 (8) 的控制阀的横截面




图 2g01946381

不带备用环 (8) 的控制阀的横截面

(1) 安全阀总成的扭矩 ... 35 ± 7 N·m (26 ± 5 lb ft)

(2) 两个单向阀总成的扭矩 ... 80 ± 4 N·m (60 ± 3 lb ft)

(3) 使用密封的润滑剂稍微润滑 O 形密封圈。

(4) 管塞的扭矩 ... 35 ± 7 N·m (26 ± 5 lb ft)

(5) 6E-5153 弹簧

在试验力下的长度 ... 14.00 mm (0.551")
试验力 ... 18.00 ± 1.44 N (4.0 ± 0.3 lb)
试验后的自由长度 ... 18.38 mm (0.724")
外径 ... 7.2 mm (0.28")

(6) 102-7412 弹簧

在试验力下的长度 ... 28.00 mm (1.102")
试验力 ... 46.00 ± 2.40 N (10.3 ± 0.5 lb)
试验后的自由长度 ... 48.417 mm (1.9062")
外径 ... 18.20 mm (0.717")

(7) 使用密封的润滑剂稍微润滑 O 形密封圈。

(8) 使用密封的润滑剂稍微润滑备用环。

(9) 111-8233 弹簧

在试验力下的长度 ... 15.50 mm (0.610")
试验力 ... 13.50 ± 0.80 N (3.0 ± 0.2 lb)
试验后的自由长度 ... 25.60 mm (1.008")
外径 ... 15.00 mm (0.591")

(10) 组装过程中,轻轻将钢珠座入阀体中。

(11) 6E-3007 弹簧

在试验力下的长度 ... 8.60 mm (0.339")
试验力 ... 0.234 ± 0.024 N (0.1 ± 0.0 lb)
试验后的自由长度 ... 10.00 mm (0.394")
外径 ... 4.6 mm (0.18")

(12) 手柄的扭矩 ... 25 ± 6 N·m (18 ± 4 lb ft)

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