Control Valve (Boom Lowering)
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| 图 1 | g01627674 |
(1) 四个螺塞组件的扭矩 ... 10 ± 2 N·m (90 ± 18 lb in)
(2) 根据需要，采用 5M-9624 垫片 调整先导压力，以使油缸油流开始流过控制阀：
- 数量 ... 9
- 1 只垫片厚度 ... 0.25 mm (0.010 in)
(3) 根据需要，采用 6J-6855 垫片 调整需要的距离 (C) ：
- 数量 ... 9
- 1 只垫片厚度 ... 0.12 mm (0.005 in) (C) 导套和活塞之间的距离 ... 7.75 ± 0.10 mm (0.305 ± 0.004 in)
(4) 203-2076 弹簧
- 在试验力下的长度 ... 51.3 mm (2.02 in)
- 试验力 ... 206.64 ± 20.00 N (46.5 ± 4.5 lb)
- 试验后的自由长度 ... 55.58 mm (2.188 in)
- 外径 ... 21 mm (0.8 in)
- 试验力 ... 206.64 ± 20.00 N (46.5 ± 4.5 lb)
(5) 导套扭矩 ... 35 ± 4 N·m (26 ± 3 lb ft)
(6) 四个螺塞组件的扭矩 ... 23 ± 2 N·m (17 ± 1 lb ft)
(7) 流量控制阀总成的扭矩 ... 215 ± 25 N·m (160 ± 18 lb ft)
(8) 2S-2596 弹簧
- 在试验力下的长度 ... 7.9 mm (0.31 in)
- 试验力 ... 4.0 ± 0.5 N (0.950 ± 0.076 lb)
- 试验后的自由长度 ... 33.3 mm (1.31 in)
- 外径 ... 8.43 mm (0.332 in)
- 试验力 ... 4.0 ± 0.5 N (0.950 ± 0.076 lb)
(9) 安全阀总成的扭矩 ... 95 ± 14 N·m (70 ± 10 lb ft)
(10) 三个节流孔螺塞的扭矩 ... 13 ± 2 N·m (115 ± 18 lb in)
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