3612 and 3616 Engines Caterpillar


Compression Release Valve

Usage:

3616 1PD



图 1g00516169

(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)

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:

  1. 将阀体拧紧至扭矩 275 ± 25 N·m (200 ± 18 lb ft)。

  1. 在额定工况下运转发动机至少 4 分钟。

  1. 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:

  1. 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。

  1. 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。

  1. 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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