SINOCMP Product Specification Part Number:22B-43-11143 Part Type:Throttle Motor Accel Actuator Square Plug Model Applicated:for Komatsu PC78UU PC128UU PC228 PC228US-2 PC228US-1 Excavator______________________________________Throttle Motor Installation Guide Connecting Plug: throttle motor plug into the excavator. Start Excavator: Put the throttle knob to the maximum and operating the operation lever, to make excavator found the highest oil level. The pump to the highest position: Eg 200 machine, the maximum speed is about 2100rpm. Adjust screw position: Put the throttle motor cable screw set position, set the cable joint on the swing arm of the pump. In order to correct use the throttle motor, to avoid unnecessary trouble, please install as the following installation rules and debugging methods. If the improper installation cause throttle motor, we will not provide warranty services. Thanks for your understanding. When installing the throttle cable, must set aside a certain beside the high limit screw, or the throttle cable will be jammed and cause burned.______________________________________ If you can match the part number of your machine with one of the part numbers mentioned above then this is correct. If you cannot match the part number please contact us with your vehicle registration so we can advise. Please confirm your old part number matches up with one of the part numbers above Professional installation is highly recommended.______________________________________SINOCMP Construction Machinery SINOCMP excavator construction machinery parts products include: monitor, controller, throttle motor, solenoid, valves, sensors, seal kits, hydraulic pump, compressor, travel motor, wiring harness, and many other engine and electronic parts of the excavators. Besides, we deal with excavator diagnostic tool and excavator service manuals. SINOCMP products are apply for your busy work lifestyle. Products will be carefully checked before shipping. The buyers are supposed to be charged for the possible additional cost such as import taxes and customs duties. SINOCMP will try to assist you for your requirement.