C4.4 Industrial Engine Caterpillar


Camshaft

Usage:

C4.4 444



图 1g00987750

检查凸轮轴的端隙

(1) 凸轮轴的端隙 ... 0.126 至 0.558 mm (0.0050 至 0.0220 in)

磨损凸轮轴的最大允许轴向间隙 ... 0.62 mm (0.0244 in)




图 2g01195129

典型实例

(2) 螺栓

将螺栓拧紧至下述扭矩。 ... 95 N·m (70 lb ft)

(3) 下表给出了凸轮轴轴颈的直径。

表 1
凸轮轴轴颈     标准直径    
1    
50.711 至 50.737 mm (1.9965 至 1.9975 in)    
2    
50.457 至 50.483 mm (1.9865 至 1.9875 in)    
3    
49.949 至 49.975 mm (1.9665 至 1.9675 in)    

凸轮轴轴颈的最大磨损量 ... 0.05 mm (0.0021 in)

检查凸轮轴凸轮有无可见损伤。 如果安装了新的凸轮轴,则必须安装新的挺杆。

Caterpillar Information System:

C4.4 Industrial Engine Air Inlet and Exhaust System
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