3512 and 3516 EUI Engines and 784B, 785B, 789B and 793B Off-Highway Truck/Tractors Caterpillar


Auxiliary Water Pump

Usage:

793B 1HL


图 1g02837897

表 1
技术规格 - 9Y-8909 辅助水泵总成 
项目  数量  零件  技术规格说明 
9X-4594 唇形密封  不要润滑密封唇。 
166-4375 密封圈总成  按以下步骤安装密封总成:
只能使用干净的水或 P-80 润滑零件。
密封安装工具是更换密封总成的一部分。
1. 使用手压的密封安装工具将橡胶密封件 (2) 和陶瓷环 (3) 作为一个整体安装到泵壳体组件上。
2. 将弹簧从密封总成上拆下。
3. 使用手压的密封安装工具将密封总成安装到轴上,直到密封面轻轻接触。
4. 安装弹簧到密封总成上。 
叶轮和水泵盖之间的间隙为 0.5000 ± 0.4925 mm (0.01968 ± 0.01939 inch)。 
叶轮到泵壳体组件面的距离为 31.6526 ± 0.4425 mm (1.24616 ± 0.01742 inch)。 
149-5462 O 形密封圈  组装前,使用甘油或经认可的等同物质稍稍润滑孔。 
212-8180 泵驱动轴组件  将叶轮压装至轴前,在轴上涂一薄层清洁的发动机机油进行润滑。 轴的端部必须与叶轮表面在 0.00 to 0.30 mm (0.000 to 0.012 inch) 范围内平齐。 
5H-6734 O 形密封圈  组装前,使用甘油或经认可的等同物质稍稍润滑孔。 
0S-1594 螺栓  拧紧至扭矩为 35 ± 5 N·m (26 ± 4 lb ft)。 
3D-2824 O 形密封圈  组装前,使用甘油或经认可的等同物质稍稍润滑孔。 
10  7G-8478 齿座  拧紧至扭矩为 100 ± 10 N·m (75 ± 7 lb ft)。 
11  9S-8752 全高螺母  拧紧至扭矩为 27 ± 4 N·m (239 ± 35 lb in)。 

Caterpillar Information System:

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