789C Off-Highway Truck/Tractor Caterpillar


Torque Converter

Usage:

789C 2BW



图 1g01635393

(1) 锁定离合器

4 块新摩擦片和 3 块新板片的厚度 ... 29.61 ± 0.47 mm (1.166 ± 0.019")

一块新 336-9318 摩擦片 的厚度 ... 4.83 ± 0.08 mm (0.19 ± 0.003")

一块新 1T-1897 板片 的厚度 ... 3.43 ± 0.05 mm (0.135 ± 0.002")




图 2g00294845

螺栓 (2) 螺栓型号

(2) 26 个螺栓的扭矩 ... 240 ± 25 N·m (177 ± 18 lb ft)

按照图示2和以下步骤拧紧 26 个螺栓 (2) 。

按照编号顺序 1-8 拧紧 8 个螺栓 (2) 。 然后,再按照编号顺序 9-34 拧紧 26 个螺栓。 交叠起点,以确保所有螺栓都达到所要求的扭矩。

(3) 10 个螺栓的扭矩 ... 80 ± 10 N·m (59 ± 7 lb ft)




图 3g00294846

螺栓 (4) 螺栓型号

(4) 8 个螺栓的扭矩 ... 30 ± 5 N·m (22 ± 4 lb ft)

按照图示3和以下步骤拧紧 8 个螺栓 (4) 。

按照编号顺序 1-8 拧紧 8 个螺栓 (4) 。 然后,再按照数编号顺序 9-16 拧紧 8 个螺栓。 交叠起点,以确保所有螺栓都达到所要求的扭矩。

(5) 6 个螺栓的扭矩 ... 30 ± 5 N·m (22 ± 4 lb ft)

(6) 12 个螺栓的扭矩 ... 50 ± 7 N·m (37 ± 5 lb ft)

(7) 安装前,在密封件的密封唇上涂抹少许润滑剂。

(8) 螺栓的扭矩 ... 430 ± 50 N·m (317 ± 37 lb ft)

(9) 12 个螺栓的扭矩 ... 120 ± 15 N·m (88 ± 11 lb ft)

(10) 1T-1257 弹簧 (用于单向离合器)

数量 ... 2
在试验力下的长度 ... 17.8 mm (0.70")
试验力 ... 30 ± 2 N6 (.9 ± 0.5 lb)
试验后的自由长度 ... 27.4 mm (1.08")
外径 ... 5.84 mm (0.230")

(11) 3 个螺栓的扭矩 ... 240 ± 25 N·m (177 ± 18 lb ft)

(12) 9M-8808 弹簧

在试验力下的长度 ... 15.52 mm (0.611")
试验力 ... 80 ± 2 N18 (.0 ± 0.4 lb)
试验后的自由长度 ... 22.53 mm (0.887")
外径 ... 13.23 mm (0.521")

(13) 2 个螺栓的扭矩 ... 80 ± 10 N·m (59 ± 7 lb ft)

(14) 8 个螺栓的扭矩 ... 80 ± 10 N·m (59 ± 7 lb ft)




图 4g00294847

螺栓 (15) 螺栓型号

(15) 30 个螺栓的扭矩 ... 135 ± 15 N·m (100 ± 11 lb ft)

按照图示4和以下步骤拧紧 30 个螺栓 (15) 。

按照编号顺序 1-8 拧紧 8 个螺栓 (15) 。 然后,再按照数字顺序 9-38 拧紧所有 30 个螺栓。 交叠起点,以确保所有螺栓都达到所要求的扭矩。

(16) 12 个螺栓的扭矩 ... 50 ± 7 N·m (37 ± 5 lb ft)

表 1
部件     径向间隙     运行 (1)    
(A) 定子和涡轮     新    
1.08 mm 至 1.42 mm (0.043" 至 0.056")    

0.54 mm 至 0.71 mm (0.021" 至 0.028")    
max
磨损

1.90 mm (0.075")    

0.95 mm (0.037")    
(B) 定子和叶轮     新    
1.08 mm 至 1.42 mm (0.043" 至 0.056")    

0.54 mm 至 0.71 mm (0.021" 至 0.028")    
最大值
磨损

1.90 mm (0.075")    

0.95 mm (0.037")    
( 1 ) 径向间隙的一半

Caterpillar Information System:

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