Travel on Level Ground - Test
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| 行驶速度和沉降 | |||
|---|---|---|---|
| 行驶模式（前进和后退） | 行驶时间 |
最大沉降 | |
| 橡胶履带 | 高速 | 16.7 - 20.9 | |
| 低速 | 22.5 - 27.7 | |
|
| 钢制履带 | 高速 | 17.8 - 20.9 | |
| 低速 | 23.8 - 29.8 | |
|
使用以下步骤可以确定行驶马达的性能水平。
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 |
- 行程必须至少为
25 m (82 ft) 。 行驶测试地面必须坚硬且尽可能水平。 - 在行驶测试地面上画一条
25 m (82 ft) 直线作为参考线。
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| |
| 图 1 | g06278046 |
|
(A) 预试运转 (B) 行驶距离 | |
- 起动发动机。
- 将发动机转速刻度盘置于高怠速位置。
- 升高液压油温度至
55° ± 5°C (131° ± 9°F) 。 - 铲斗应空载。
- 安置机器，使一条履带与参考线平行。 将机器停放在行驶测试位置。 参考图 1。
- 将行驶速度控制开关置于高速位置。
- 同时操作机器的两个行驶操纵杆使机器移动。
- 第一
5 m (16.4 ft) 为初步运行。 测量行驶其余20 m (65.6 ft) 所需的时间。 测量每个方向所需的时间。 - 测量距离参考线的行驶偏差。
- 将行驶速度控制开关置于低速位置，然后重复步骤 7 至 9。
注: 最大沉降显示与参考线的行驶偏差（距离）。
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