773D Off-Highway Truck and 775D Quarry Truck Steering System Caterpillar


Front Wheel - Align

Usage:

773D 7CS


图 1g00285495
转向连杆机构
(1) 左侧系杆上的卡箍
(2) 右侧系杆上的卡箍
(B) 前轮胎后端之间的距离
(F) 前轮胎前端之间的距离

采用以下程序调整前轮对中:

  1. 升起车桥,直到悬架油缸内的撑杆完全伸出为止。

  2. 将车轮移到正前方位置。

  3. 测量位置 (F) 处的前轮间距。

  4. 在每个轮胎上标记位置 (F)。 转动轮胎 180 度。

  5. 测量相同标记间位置 (B) 处的距离。

  6. 利用表 1 确定前轮离地时的正确后束。

    表 1
    正确的后束 
    B = F - 58.7 mm(2.31 in) 

  7. 如果上一步中确定的差值不正确,则将每个连杆组件调整相同的圈数。

    注: 调整完成后,系杆必须等长。

  8. 当后束测量值正确时,将卡箍 (1) 和 (2) 上紧到 183 N·m (135 lb ft) 并降下卡车前端。

注: 如果距离 (F) 和距离 (B) 间的差值调整适当,则前轮前束将正确。 另外,悬架油缸必须正确充压且位于正常工作范围内。

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