D7R Track-Type Tractor Power Train Caterpillar


Power Train Oil Pump

Usage:

D7R XR DJR



图 1g02827097

(1) 变矩器和变速箱扫油段

(2) 制动器润滑段

(3) 变矩器和变速箱充油泵段

表 1
377-5482 齿轮泵总成 的技术规格    
项目     数量     零件     技术规格说明    
4     1     111-4919 唇形密封     利用所密封的润滑剂轻轻润滑密封唇。
装配之前,在座合面上涂抹蓝色 Loctite 540。    
5     1     5H-4279 杯塞     装配之前,在座合面上涂抹蓝色 Loctite 540。
安装深度 (A) 为
1.25 ± 0.25 mm (0.049 ± 0.010 in)    
6     4     6L-4783 螺栓     拧紧至扭矩为
30 ± 4 N·m (266 ± 35 lb in)    



图 2g02829256

(7) 323-6362 机油泵体组件

(8) 325-7402 机油泵体组件

(9) 377-6173 机油泵体组件

表 2
项目     数量     零件     技术规格说明    
10     1     323-6364 轴     直径为
31.742 ± 0.005 mm (1.2497 ± 0.0002 in)    
11     1     323-6365 轴     直径为
31.742 ± 0.005 mm (1.2497 ± 0.0002 in)    



图 3g02829278

323-6362 机油泵体组件

表 3
项目     数量     零件     技术规格说明    
D     1     8M-8489 定位销     从机油泵体的突出量为
5.0 ± 0.5 mm (0.20 ± 0.02 in)    
E     2     131-0140 衬套     装配后的内径为
31.786 ± 0.008 mm (1.2514 ± 0.0003 in)    
安装深度 (G) 为
1.50 ± 0.25 mm (0.059 ± 0.010 in)
F     -     -     两个衬套的接头离垂直中心线的方位为 30 ± 15 度    



图 4g02829316

325-7402 机油泵体组件

表 4
项目     数量     零件     技术规格说明    
J     4     5M-4987 定位销     从机油泵体的突出量为
3.7 ± 0.5 mm (0.15 ± 0.02 in)    



图 5g02829337

377-6173 机油泵体组件

表 5
项目     数量     零件     技术规格说明    
L     2     7C-7225 套筒     从机油泵体的突出量为
5.0 ± 0.5 mm (0.20 ± 0.02 in)    

Caterpillar Information System:

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