Electronic Control Module (ECM) - Replace
更换 Product Link 之前，先确保更换是绝对必要的。 Product Link 很少出现故障。 务必检查是否已经为 Product Link 通电。 Product Link 机器线束接头的触点 1 和 2 间需要蓄电池电压。 只有所有其它尝试隔离出故障的方法失败后再继续进行。 一定要咨询您代理商的技术通信员，征求 Caterpillar 可能的意见。 这个咨询可以大大减少修理所需的时间。
- 将断路开关和钥匙起动开关转至断开位置。 将机器线束从 Product Link 上断开。
- 拆下 Product Link。
- 确保备用 Product Link 套件具有正确的零件号。
- 根据安装套件随机提供的专门说明书安装替代 Product Link 系统。
- 为新模块闪存软件，以确保系统上具有最新版本的软件。
Caterpillar Information System:
C4.4 Engines for Caterpillar Built Machines Engine Oil Pump
Product Link 121S/300 Electronic Control Module (ECM) - Flash Program
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Product Link 121S/300 MID 122 - CID 1251 - FMI 03
Product Link 121S/300 MID 122 - CID 1250 - FMI 09
Product Link 121S/300 MID 122 - CID 0269 - FMI 04
Product Link 121S/300 MID 122 - CID 0269 - FMI 03
Product Link 121S/300 MID 122 - CID 0254 - FMI 12
Product Link 121S/300 MID 122 - CID 0254 - FMI 04
Installation of Heated End Gates{6640} Installation of Heated End Gates{6640}
Product Link 121S/300 MID 122 - CID 0168 - FMI 01
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Product Link 121S/300 Electrical Connector - Inspect
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Product Link 121S/300 Specifications
Product Link 121S/300 System Schematic
Product Link 121S/300 ECM Does Not Communicate with User Interface
994K Wheel Loader Hydraulic System Oil (Implement) (Hydraulic Fan) - Change
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2014/04/24 A Procedure to Install the Cold Weather Cover Group onto Certain 773G, 775G and 777G Off-Highway Trucks is Available {1408, 7155, 7170, 7315, 7610, 7620, 795C}
Procedure to Install the Cold Weather Cover Group onto Certain Tier IV 773G, 775G and 777G Off-Highway Trucks{1408, 7155, 7170, 7315, 7610, 7620, 795C} Procedure to Install the Cold Weather Cover Group onto Certain Tier IV 773G, 775G and 777G Off-Highway Trucks{1408, 7155, 7170, 7315, 7610, 7620, 795C}
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