770 and 772 Off-Highway Truck Power Train Caterpillar


Transmission Planetary

Usage:

770 BZZ



图 1g01314501

表 1
车速选档器表    
车速     接合的离合器    
空档     1    
后退     3 和 7    
第一档     2 和 6    
第二档     1 和 6    
第三档     3 和 6    
第四档     1 和 5    
第五档     3 和 5    
第六档     1 和 4    
第七档     3 和 4    

(1) 第 1 号离合器的测压孔

两块新摩擦盘和一块新片的厚度 ... 16.18 ± 0.24 mm (0.637 ± 0.009 in)
一块新 9P-7390 摩擦盘 的厚度 ... 5.59 ± 0.08 mm (0.220 ± 0.003 in)
一块新 8P-2051 片 的厚度 ... 5.00 ± 0.08 mm (0.197 ± 0.003 in)

(2) 第 2 号离合器的测压孔

3 块新摩擦盘和 2 块新板片的厚度 ... 29.38 ± 0.40 mm (1.157 ± 0.016 in)
一块新 102-8671 摩擦盘 的厚度 ... 5.56 ± 0.08 mm (0.219 ± 0.003 in)
一块新 7G-0825 片 的厚度 ... 6.35 ± 0.08 mm (0.250 ± 0.003 in)

(3) 第 3 号离合器的测压孔

3 块新摩擦盘和 2 块新板片的厚度 ... 26.68 ± 0.40 mm (1.050 ± 0.016 in)
一块新 6Y-9807 摩擦盘 的厚度 ... 5.56 ± 0.08 mm (0.219 ± 0.003 in)
一块新 7G-0824 片 的厚度 ... 5.00 ± 0.08 mm (0.197 ± 0.003 in)

(4) 第 4 号离合器的测压孔

两块新摩擦盘和两块新片的厚度 ... 21.12 ± 0.32 mm (0.832 ± 0.013 in)
一块新 6Y-9807 摩擦盘 的厚度 ... 5.56 ± 0.08 mm (0.219 ± 0.003 in)
一块新 7G-0824 片 的厚度 ... 5.00 ± 0.08 mm (0.197 ± 0.003 in)

(5) 第 5 号离合器的测压孔

两块新摩擦盘和一块新片的厚度 ... 17.47 ± 0.24 mm (0.688 ± 0.009 in)
一块新 102-8671 摩擦盘 的厚度 ... 5.56 ± 0.08 mm (0.219 ± 0.003 in)
一块新 7G-0825 片 的厚度 ... 6.35 ± 0.08 mm (0.250 ± 003 in)

(6) 第 6 号离合器的测压孔

四块新摩擦盘和三块新片的厚度 ... 41.29 ± 0.56 mm (1.626 ± 0.022 in)
一块新 102-8671 摩擦盘 的厚度 ... 5.56 ± 0.08 mm (0.219 ± 0.003 in)
一个新 6T-1996 片 的厚度 ... 6.35 ± 0.08 mm (0.250 ± 0.003 in)

(7) 7 号离合器的测压孔

5 块新摩擦盘和 4 块新板片的厚度 ... 53.20 ± 0.72 mm (2.095 ± 0.028 in)
一块新 102-8671 摩擦盘 的厚度 ... 5.56 ± 0.08 mm (0.219 ± 0.003 in)
一个新 6T-1996 片 的厚度 ... 6.35 ± 0.08 mm (0.250 ± 0.003 in)

(8) (9) 4M-9592 弹簧

数量编号 1 离合器 (8) ... 10
数量编号 5 离合器 (9) ... 10
在试验力下的长度 ... 34.92 mm (1.375 in)
试验力 ... 116.5 ± 5.8 N (26.2 ± 1.3 lb)
试验后的自由长度 ... 44.70 mm (1.76 in)
外径 ... 14.27 mm (0.562 in)

(10) (11) 7M-5813 弹簧

数量编号 2 离合器 (10) ... 10
数量编号 6 离合器 (11) ... 10
在试验力下的长度 ... 46.23 mm (1.82 in)
试验力 ... 133.4 ± 10.7 N (30.0 ± 2.4 lb)
试验后的自由长度 ... 58.93 mm (2.32 in)
外径 ... 14.27 mm (0.562 in)

(12) (13) 1A-2170 弹簧

数量编号 3 离合器 (12) ... 12
数量编号 4 离合器 (13) ... 16
在试验力下的长度 ... 21.34 mm (0.84 in)
试验力 ... 200.2 ± 15.6 N (45.0 ± 3.5 lb)
试验后的自由长度 ... 30.99 mm (1.22 in)
外径 ... 14.27 mm (0.562 in)

(14) 1M-9691 弹簧

数量编号 7 号离合器的测压孔 ... 10
在试验力下的长度 ... 62.74 mm (2.47 in)
试验力 ... 124.73 ± 6.23 N (28.04 ± 1.40 lb)
试验后的自由长度 ... 77.98 mm (3.07 in)
外径 ... 14.30 mm (0.563 in)

(15) 拧紧螺栓前,增加垫片,使垫片组的厚度达到比测量间隙小 0.03 至 0.08 mm (0.001 至 0.003 in) 的程度。

一块 7G-1158 垫片组 的厚度 ... 1.85 mm (0.073 in)

(16) 用少量密封的润滑剂润滑密封唇。 使用 5P-3413 密封剂 涂覆密封的外径。

表 2
行星齿轮尺寸    
位置     轴径     齿轮孔径     行星齿轮架孔径    
A    
35.255 ± 0.008 mm (1.3880 ± 0.0003 in)    

43.221 ± 0.008 mm (1.7016 ± 0.0003 in)    

35.278 ± 0.010 mm (1.3889 ± 0.0004 in)    
B    
35.255 ± 0.008 mm (1.3880 ± 0.0003 in)    

43.221 ± 0.008 mm (1.7016 ± 0.0003 in)    

35.278 ± 0.010 mm (1.3889 ± 0.0004 in)    
C    
35.255 ± 0.008 mm (1.3880 ± 0.0003 in)    

43.221 ± 0.008 mm (1.7016 ± 0.0003 in)    

35.278 ± 0.010 mm (1.3889 ± 0.0004 in)    
D    
35.255 ± 0.008 mm (1.3880 ± 0.0003 in)    

43.221 ± 0.008 mm (1.7016 ± 0.0003 in)    

35.278 ± 0.010 mm (1.3889 ± 0.0004 in)    
E    
39.220 ± 0.008 mm (1.5441 ± 0.0003 in)    

51.948 ± 0.010 mm (2.0452 ± 0.0004 in)    

39.243 ± 0.010 mm (1.5450 ± 0.0004 in)    
F    
42.395 ± 0.008 mm (1.6691 ± 0.0003 in)    

51.948 ± 0.010 mm (2.0452 ± 0.0004 in)    

42.418 ± 0.010 mm (1.6700 ± 0.0004 in)    

Caterpillar Information System:

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2008/09/01 Correction to Systems Operation Testing and Adjusting, "Electrical System - Test" {7540}
2006/11/06 Correction to Systems Operation Testing and Adjusting, "Electrical System Test" {7540}
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770 and 772 Off-Highway Truck/Tractors Solenoid Valve and Manifold (Steering Disable) - Assemble
773F and 775F Off-Highway Trucks Machine Systems Solenoid Valve and Manifold (Steering Disable) - Install
777E, 777F and 777G Off-Highway Truck Engine Oil Cooler - Install
PL61 Pipelayer and D6K Track-Type Tractor MID 039 - CID 0490 - FMI 03
770 and 772 Off-Highway Truck Rollover Protective Structure (ROPS) - Inspect
414E, 416E, 420E and 430E Backhoe Loaders MID 053 - CID 2403 - FMI 13
770 and 772 Off-Highway Truck Power Train Torque Converter and Transmission Pressure Chart
770, 772, 773F and 777F Off-Highway Truck/Tractors and 775F Quarry Truck Monitoring System Switch Circuits
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