3306C Engines for Caterpillar Built Machines Caterpillar


Valve Rocker Arms and Lifters

Usage:

D6D 01Y



图 1g01347082

典型范例

(2) 弹性垫圈

(3) 垫圈

(1) 4B-4910 弹簧

数量 ... 五
测试力下的长度 ... 69.9 mm (2.75 in)
测试力 ... 65.0 ± 4.5 N (15 ± 1 lb)
测试后自由长度 ... 102 mm (4.0 in)
外径 ... 24.6 mm (0.97 in)

(4) 气门调整螺钉的全螺母的扭矩 ... 29 ± 7 N·m (21 ± 5 lb ft)

(B) 气门间隙

进气门 ... 0.38 ± 0.08 mm (0.015 ± 0.003 in)
排气门 ... 0.64 ± 0.08 mm (0.025 ± 0.003 in)

(C) 衬套轴承新轴孔 ... 18.448 ± 0.013 mm (0.7263 ± 0.0005 in)

新轴直径 ... 18.402 ± 0.013 mm (0.7245 ± 0.0005 in)

衬套轴承与旧轴之间的最大容许间隙 ... 0.20 mm (0.008 in)

(D) 新气门挺杆直径 ... 33.288 ± 0.013 mm (1.3105 ± 0.0005 in)

缸体新气门挺杆孔 ... 33.388 ± 0.050 mm (1.3145 ± 0.0020 in)

挺杆与旧气门挺杆孔之间的最大容许间隙 ... 0.30 mm (0.012 in)

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