Air Shutoff Solenoid
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图 1 | g01095901 |
注: 将少量清洁的发动机机油或甘油涂抹在密封 (7) 的唇上。 此外,组装时将少量清洁的发动机机油或甘油涂抹在 O 形密封圈的孔内。
(1) 二极管组件
注: 需要二级管组件抑制电磁阀断开时产生的反向电压峰值。
(2) 4N-3890 电磁阀
额定电压 ... 24 或 32 V
耗电量
- 38.4 V 时接通绕组 ... 39.1 A
- 38.4 V 时保持绕组 ... 0.58 A
柱塞表面到法兰表面的距离
- 电磁阀通电后的距离。 ... 9.6 ± 0.5 mm (0.38 ± 0.02 in)
注: 停机时发动机的保持耗电量(电流)必须低于 2 A。
(3) 必须调整支架组件以使阀组件 (9) 平行于管道孔,误差不超过 2 度。
(4) 3N-7848 弹簧
- 在试验力下的长度 ... 22.86 ± 0.50 mm (0.900 ± 0.020 in)
- 试验力 ... 4 N·m (35 lb in)
- 外径 ... 18.8 ± 0.5 mm (0.74 ± 0.02 in)
- 试验力 ... 4 N·m (35 lb in)
(5) 轴径 ... 9.60 ± 0.03 mm (0.378 ± 0.001 in)
轴承中的孔径 ... 9.80 ± 0.03 mm (0.386 ± 0.001 in)
注: 根据需要,调整轴以改变弹簧张力,直到停机时保持耗电量(电流)低于 2 A。
(6) 108-2858 弹簧
- 自由长度 ... 54.5 ± 0.5 mm (2.15 ± 0.02 in)
- 外径 ... 30.36 ± 0.50 mm (1.195 ± 0.020 in)
(7) 密封
安装密封时,使密封顶部朝外,如图所示。
(8) 轴径 ... 15.80 ± 0.03 mm (0.622 ± 0.001 in)
轴承中的孔径 ... 15.88 mm (0.625 in)
弯管中的轴承孔 ... 18.263 ± 0.013 mm (0.7190 ± 0.0005 in)
(9) 所示阀组件处于运转(开启)位置。 阀闭合时,管道中阀和孔之间的任何位置都绝对不能容下一把 0.08 mm (0.003 in) 的塞尺。
(10) 弯管表面下的轴承安装距离 ... 0.25 ± 0.25 mm (0.010 ± 0.010 in)
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