789C Off-Highway Truck/Tractor Caterpillar


Differential and Bevel Gear

Usage:

789C 2BW
注: 有关差速器和锥齿轮的正确调整步骤,请参考测试和调整, "差速器和锥齿轮 - 调整"。


图 1g00903473



图 2g00903449

B-B 视图




图 3g00903481

C-C 视图

(1) 安装前,将 155-0695 螺纹锁固胶 涂在螺栓的螺纹上。

(2) 四只螺栓的扭矩 ... 1600 ± 150 牛米 (1180 ± 110 磅英尺)




图 4g00903291

剖面图 A-A

(3) 26 只螺母的扭矩 ... 430 ± 60 牛米 (317 ± 44 磅英尺)

(4) 24 只螺母的扭矩 ... 440 ± 40 牛米 (325 ± 30 磅英尺)

(5) 将两个销钉安装在孔上。 ... 8.0 ± 1.0 毫米 (0.32 ± 0.04 英寸)

(6) 使用少量润滑剂来润滑要密封的孔。

(7) 9M-5874 垫片组

数量 ... 根据需要
垫片组的厚度 ... 0.130 毫米 (0.005 英寸)

(8) 24 只螺母的扭矩 ... 430 ± 60 牛米 (317 ± 44 磅英尺)

(9) 24 只双头螺栓的扭矩 ... 170 ± 30 牛米 (125 ± 22 磅英尺)

(10) 以 50 ± 5 牛米 (37 ± 4 磅英尺)的扭矩拧紧 18 只螺栓。 然后,将 18 只螺栓再拧 60 ± 5 度。

(11) 使用少量润滑剂来润滑要密封的密封唇口。

(12) 垫片

132-6757 垫片
数量 ... 根据需要
厚度 ... 0.12 ± 0.015 毫米 (0.005 ± 0.0006 英寸)
132-6758 垫片
数量 ... 根据需要
厚度 ... 0.18 ± 0.015 毫米 (0.007 ± 0.0006 英寸)

注: 请参考测试和调整, "差速器和锥齿轮 - 调整"。

(A) 外罩和锥齿轮的间隙 ... 1.0 + 2.0/−0.5 毫米 (0.039 +0.079/−0.0197 英寸)

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