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SAFETY PRECAUTIONS OF SYSTEM MAINTENANCE SAFETY PRECAUTIONS IN DIAGNISIS AND MAINTENANCE OF THE (1) Removal/installation requirements of controller The battery negative grid must be disconnected first, followed by the removal of In removing/installing the controller, the ignition switch must be turned to “OFF” The power supply wire should not be removed from the battery while the engine is Don’t start the engine with high current of charger; Pay attention to keep the ambient temperature around controller less than 80 . ℃ (2) Cleanliness requirements: following rules shall be complied strictly before operating the fuel supply system and fuel injector system: All the dismantled parts must be placed in clean environment and covered properly. It (3) All the wiring harness and the same for diagnostic tester can only be disconnected or connected after the ignition switch has been turned off; Ensure the wiring connection is correct before carrying out the voltage or grounding Remove the power supply wire from battery or disconnect the wiring harness (4) Notes for maintaining the fuel supply system: Attention must be paid to the followings when removing and installing the fuel pump A device that can fully absorb the potential leaked fuel should be available near the Avoid the skin come into direct contact with fuel; Thoroughly clean the place and around it before loosening the connecting parts; Put rags around the connecting parts in order to prevent the fuel from spraying via the The disassembled parts that are not intended to be repaired immediately should be |