Cylinder Drift - Check
注: 发动机转速和 / 或测试期间所用的机器配置可能对测试结果产生影响。 有关此项测试所用的发动机转速，请参阅测试和调整, "发动机性能 - 测试（发动机转速）"。 有关此项测试所用的机器配置，请参阅测试和调整, "操作检查"。
注: 执行操作检查之前，必须根据卸压阀压力技术规范设定卸压阀压力。 请参阅测试和调整, "技术规范"。
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| 所需工具 | |
|---|---|
| 说明 | 数量 |
| 卷尺 | 1 |
| 秒表 | 1 |
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 | |
| 图 1 | g01726414 |
- 将机器停放在水平地面上。 参考图 1。
- 使动臂油缸完全伸出。
- 使斗杆与地面平行。
- 测量每个油缸的油缸销之间的长度。
- 停止发动机。
- 将机器停放在此位置五分钟。 测量每个油缸的油缸销之间的长度，求得油缸沉降。
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| 油缸沉降（空铲斗） | |||
|---|---|---|---|
| 项目 | 新 | 翻新 | 维修极限 |
| 动臂油缸 | 6.0 mm (0.24 in) 或更小 |
12.0 mm (0.47 in) 或更小 |
24.0 mm (0.94 in) 或更小 |
| 斗杆油缸 | 10.0 mm (0.39 in) 或更小 |
15.0 mm (0.59 in) 或更小 |
25.0 mm (0.98 in) 或更小 |
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