374F Excavator Machine Systems Caterpillar


Hydraulic System Warm-Up

Usage:

374F L AP4

简介

使用下述步骤将液压油预热至 55° ± 5°C (131° ± 9°F)。

请参阅操作和保养手册, "发动机和机器预热",了解冷起动机器的更多信息。

预热步骤

  1. 起动发动机。



    图 1g03689765

    (1) "机器附件"

    (2) "自动液压预热温度"

    (3) 主菜单键

  1. 使用监视器将自动预热目标温度更改为 55° C (131° F)。

    1. 进入 "Service(维修)"菜单。

    1. 输入密码 "9992"。

    1. 选择 "Configurations(配置)"。

    1. 选择 "Machine Attachments(机器附件)"。

    1. 选择 "Auto Hyd Warm Up Temp(自动液压预热温度)"。

    1. 输入 55° C (131° F)。

  1. 按下监视器上的归位键 (3) 。

  1. 将机具置于地面。

  1. 将液压启用操纵杆置于 LOCKED(锁定)位置。



    图 2g03689767

    (4) 开始自动预热?

    (5) 自动预热键

  1. 按下监视器上的自动预热键 (5) 。

    注: 监视器上将显示一条消息,以将机具置于地面。

  1. 再次按下自动预热键 (5) 以启动自动预热功能。



    图 3g03689770

    (6) 自动预热启动

    注: 当自动预热功能激活时,监视器上将显示 "Auto Warming Up Starting(自动预热启动)"消息。

    注: 液压油温度达到 55° C (131° F) 后,或液压启用操纵杆移到 UNLOCKED(解锁)位置时,自动预热将停止。

  1. 将自动液压预热温度复位到原来的设置。

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