Valve Rocker Arms and Lifters
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图 1 | g01347082 |
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)
- 测试力下的长度 ... 69.9 mm (2.75 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)
Caterpillar Information System:
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