3500B Engines and 776D, 777D, 784C, 785C, 789C, 793C and 793D Off-Highway Truck/Tractors Caterpillar


Crankshaft

Usage:

785C 1HW


图 1g03110979
典型实例

表 1
8N-7103 曲轴总成、 161-6926 曲轴总成和 379-4851 曲轴总成的技术规格 
项目  数量  零件  技术规格说明 
更多信息,请参阅技术规格, "连杆和主轴承承颈"。 
7C-6209 止推板  仅用于中心主轴承上,如图所示 
新曲轴的端隙为 0.17 - 0.63 mm (0.007 - 0.025 in)。 
2W-2288 螺塞  拧紧至扭矩为 50 ± 7 N·m (37 ± 5 lb ft)。 
36  128-4845 螺栓组件  采用以下步骤拧紧螺栓:
1. 组装前,使用 6V-4876 润滑剂润滑螺纹、螺杆、垫圈和螺栓头底部。
2. 将螺栓均匀拧紧至 70 ± 5 N·m (50 ± 4 lb ft)
3. 将每个螺栓额外转动 120 ± 5 度。
不要重复使用配重螺栓。 
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