C4.2 and C6.4 Engines for Caterpillar Built Machines Caterpillar


Rocker Shaft

Usage:

314D LCR BYJ



图 1g01411580

(1) 轴摇臂衬套中的孔 ... 24.949 至 24.975 mm (0.9822 至 0.9833 in)

(2) 摇臂轴直径 ... 24.915 至 24.928 mm (0.9809 至 0.9814 in)

摇臂衬套与轴的间隙

最低 ... 0.021 mm (0.0008 in)
最高 ... 0.060 mm (0.0024 in)



图 2g01411576

(3) 更换摇臂衬套时,将摇臂衬套 (4) 上的机油孔对准摇臂上的机油孔。




图 3g01526063

(5) 四个螺栓的扭矩 ... 18 ± 2 N·m (13 ± 1 lb ft)

(6) 四只螺栓的扭矩 ... 18 ± 2 N·m (13 ± 1 lb ft)

(7) 螺栓的扭矩 ... 74 ± 5 N·m (55 ± 4 lb ft)




图 4g01411582

气门间隙调整

转动曲轴,直到曲轴皮带轮上的正时标记对准正时齿轮壳体上的指针,以便调整气门间隙。 第 1 缸的进气门和排气门推杆不能对摇臂有张力。

进气阀间隙 ... 0.25 mm (0.010 in)

排气阀间隙 ... 0.40 mm (0.016 in)

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