Travel on Level Ground - Test - Optional Test
注: 当无法执行在平地上行驶程序时，可以将本测试作为替代。
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 |
| 秒表 | 1 |
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 | |
| 图 1 | g00297292 |
- 起动发动机。
- 将机器停放在水平地面上。
- 将液压油温度提高至 55°± 5°C (131°± 9°F)。
- 将一条履带升离地面。 请参阅插图 1。
- 在升起的履带的履带板上作标记。
- 将机器控制置于以下设定：发动机转速旋钮 "10" 和 AEC 开关关闭。
- 将行驶速度控制开关置于高速位置。
- 将升起的履带的行驶操纵杆移动至满行程位置。
- 测量升起的履带完整旋转三圈所需的时间。 测量每个方向所需的时间。
- 将行驶速度控制开关置于低速位置，然后重复步骤 8 至 9。
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| 旋转三圈的时间（单位：秒） 标准底盘系统 |
||||
|---|---|---|---|---|
| 行驶速度 | 新机 | 翻新 | 维修极限 | |
| HIGH（高速） | 前进 | 26.8 或以下 | 30.8 或以下 | 34.8 或以下 |
| 后退 | ||||
| LOW（低速） | 前进 | 34.5 或以下 | 39.5 或以下 | 44.5 或以下 |
| 后退 | ||||
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| 旋转三圈的时间（单位：秒） 加长底盘系统 |
||||
|---|---|---|---|---|
| 行驶速度 | 新机 | 翻新 | 维修极限 | |
| HIGH（高速） | 前进 | 28.3 或以下 | 32.8 或以下 | 36.8 或以下 |
| 后退 | ||||
| LOW（低速） | 前进 | 36.6 或以下 | 41.6 或以下 | 46.6 或以下 |
| 后退 | ||||
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