793D Off-Highway Truck/Tractor Caterpillar


Control Valve (Hoist) - Remove

Usage:

793D FDB

拆卸步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     138-7574     连杆支架     2    
B     1U-9200     操纵杆滚轮起重机     1    

开始:

  1. 安装车斗固定拉线。 请参阅拆解和组装, "车斗固定拉线 - 拆卸和安装"。


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。



注意

在检验、保养、测试、调整及维修发动机时,请小心确保盛接流出的液体。 在打开或拆解任何储有液体的部件之前,要准备好合适的容器收集液体。

有关适合收集和盛接卡特彼勒产品上的液体的工具和供应品,请参阅专门出版物, NENG2500, "卡特彼勒代理商工具目录"。

按照本地法规和条例处置所有液体。


------ WARNING! ------

车斗降下后,车斗与机架之间没有空隙。 如果不安装固定缆线,可能会导致在此区域作业的人员受伤或死亡。


------ WARNING! ------

在工作温度下,液压油箱是热的,而且有压力。

热油和热的部件可能会导致人身伤害。 不要让热油或热的部件与皮肤接触。

只能在发动机停机,并且加注口盖冷却到可以用徒手触摸时才可卸下加注口盖。 慢慢取下加注口盖,让压力释放掉。


  1. 将举倾泵和制动器液压系统中的液压油排入合适的容器中,以便保存或弃置



    图 1g01289595

  1. 断开软管组件 (2) 并拆下管组件 (1) 。 断开软管组件 (3) 。



    图 2g01289601

  1. 断开软管组件 (4) 。



    图 3g01289605



    图 4g01289615

  1. 断开软管组件 (5) 。 断开管子组件 (6) 。 拆下电缆束带 (7) 并将线束组件 (6) 放置到一旁。



    图 5g01289617

  1. 拆下夹子 (8) 。 断开软管组件 (9) 。 断开软管组件 (10) 。



    图 6g01289622

  1. 断开管组件 (11) 。



    图 7g01289626

  1. 将工具 (A) 和工具 (B) 连接到举倾控制阀 (12) 上。 举倾控制阀 (12) 的重量约为 191 kg (420 lb)。



    图 8g01289628

  1. 拆下螺栓 (13) 以拆下举倾控制阀 (12) 。

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