Valve Mechanism
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图 1 | g00547202 |
(1) 气门调整螺钉锁紧螺母
- 扭矩 ... 70 ± 15 N·m (50 ± 11 lb ft)
(2) 摇臂轴
- 直径 ... 37.084 ± 0.013 mm (1.4600 ± 0.0005 in)
- 摇臂轴轴承孔孔径 ... 37.140 ± 0.015 mm (1.4622 ± 0.0006 in)
(3) 气门间隙
- 进气门 ... 0.51 mm (0.020 in)
- 排气门 ... 1.27 mm (0.050 in)
(4) 定位销高度
- 至定位销顶部的高度 ... 66.5 ± 0.5 mm (2.62 ± 0.02 inch)
(5) 气门桥调整螺钉锁紧螺母
- 扭矩 ... 30 ± 4 N·m (22 ± 3 lb ft)
(6) 气门挺柱
- 直径 ... 29.900 ± 0.010 mm (1.1772 ± 0.0004 in)
- 缸盖内的孔 ... 30.000 ± 0.025 mm (1.1811 ± 0.0010 in)
(7) 定位销
- 直径 ... 11.008 ± 0.003 mm (0.4334 ± 0.0001 in)
- 气门桥上的定位销孔 ... 11.07 ± 0.03 mm (0.436 ± 0.001 in)
- 缸盖上的定位销孔l ... 10.968 ± 0.020 mm (0.4318 ± 0.0008 in)
- 气门桥上的定位销孔 ... 11.07 ± 0.03 mm (0.436 ± 0.001 in)
(8) 摇臂轴安装螺栓
- 扭矩 ... 120 ± 20 N·m (90 ± 15 lb ft)
(9) 导向弹簧
弹簧导向杆不能再次使用。 每次都必须安装新的导向弹簧。
Caterpillar Information System:
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