Compression Release Valve
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图 1 | g00516169 |
(1) 座椅
(2) 7W-6531 弹簧
- 在试验力下的长度 ... 90.0 mm (3.54 in)
- 试验力 ... 2990 ± 100 N (672.20 ± 22.50 lb)
- 试验后的自由长度 ... 102.3 mm (4.03 in)
- 外径 ... 28.7 mm (1.13 in)
- 试验力 ... 2990 ± 100 N (672.20 ± 22.50 lb)
将 4C-5598 高温防粘结剂 涂抹到弹簧的端部,以确保运动自由。
(3) 调整螺钉
(4) 阀体
以下为安装压缩安全阀的步骤:
- 将阀体拧紧至扭矩 275 ± 25 N·m (200 ± 18 lb ft)。
- 在额定工况下运转发动机至少 4 分钟。
- 将阀体拧紧至扭矩 275 ± 25 N·m (203 ± 18 lb ft)。
(5) 适配器
以下为安装压缩安全阀的步骤:
- 在 20.94 ± 0.30 MPa (3036.300 ± 43.500 psi) 时转动适配器 (5) 直到阀座 (1) 开启。
- 一旦设置好,旋转适配器 (5) 直到最少旋转运动要求的平台垂直于阀体中的孔。
- 拧紧调整螺钉 (3) 。
设置好调整螺钉 (3) 后,阀座 (1) 的最小行程 ... 0.85 mm (0.034 in)
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