1. General Introduction 9. Only appropriate tools should be used. If the jaws DANGER of a wrench are worn out, the wrench might slip When accessories such as necklaces, rings, watches, or gloves become stuck in rotating parts while the engine is running, serious bodily injury may occur. during use, causing safety accidents. 10. Do not allow other persons to stay or pass under an engine when lifting the engine with a crane.
Before lifting the engine, ensure that there is no WARNING one around the engine and reserve enough safety Do not exchange or disassemble a pipe or horse (from the engine fuel circuit, engine oil circuit, coolant circuit, or compressed air circuit) while the engine is running. The leaked liquid may cause bodily injuries. space. 11. Before inspecting or replacing the electrical apparatus, disconnect the battery ground wire first. Connect the battery ground wire after completing all required work for checking or 3. Use an engine oil drain container that is large replacing the electrical apparatus in order to prevent a short circuit. enough to prevent the overflow of engine oil while 12.
Before performing electric welding works, turn off draining engine oil. engine, block the power supply to the engine, and 4. Open the engine coolant cap after fully cooling the engine to exchange or replenish coolant. remove the wire harness connector connected to the engine control unit (ECU). WARNING 13. Do not give any electric or mechanical shocks or perform welding works on the electrical apparatus If the coolant cap is opened while the engine is still hot, hot water will spurt out and may cause burns. Open the engine coolant cap after fully cooling the engine. or the ECU. General Repair 5. Fuel is highly flammable. Smoking or use of fire 1.
Wait until the engine is properly cooled down before starting work, since you may get burned by around an engine may cause fire. the heated engine. WARNING Before performing fuel line work, check the Only refuel when the engine is stopped. common rail pressure and engine temperature by using the failure diagnosis device. 6. Mark and separately manage the containers for 2. Disconnect the battery ground wire from to storing coolant from beverage containers for prevent damage of wires and sensors caused by a avoiding confusion. See a doctor immediately in 3. Engine oil and coolant may damage paint and short circuit. 7. Follow the instructions provided by the battery case of drinking coolant.
should be stored in a separate container and manufacturer when checking or handling marked for safe management. batteries. 4. Store the disassembled parts in a specified space WARNING 5. Use specified and special tools for efficient and to avoid damage or pollution. Battery fluid is corrosive and dangerous because of its explosiveness and toxicity. Therefore, it should only be handled by a skilled technician who specializes in battery fluid. safe repair. 6. If parts need to be replaced, use only genuine parts for replacement. Using unauthorized or remanufactured parts may cause critical damage and faults in engine performance. 8.
Only certified professional technicians should repair and maintain engines. 7. Replace parts such as cotter pins, gaskets, O- rings, seal rings, oil seals, and washers with new 1 - 5