Top Tips for Choosing the Best 1622E329F Swing Gearbox for Your Excavator

1. There must be enough starting speed. The high starting speed means less gas leakage in the cylinder, shorter heat transfer time of compressed air to the cylinder wall, less heat loss, and higher gas temperature and pressure at the end of compression. Generally, the speed is required to be above 100r/min.

2. The cylinder should have good sealing. This can further reduce the amount of leakage and ensure that the gas has sufficient combustion temperature and pressure at the end of compression. The compression pressure of the cylinder shall not be lower than 8_0_%_ of the standard value.

3. The engine is required to have appropriate clearance relative to the running parts and good lubrication.

4. The battery must have sufficient starting capacity and the technical condition of the starting circuit is normal.

5. The starting oil volume meets the requirements, the injection quality is good, and the injection advance angle meets the requirements.

6. Use fuel that meets the requirements

1.There is no oil in the fuel tank.

2.The fuel filter and oil-water separator are blocked.

3.The low-pressure oil circuit does not supply oil.

4.The injection pump does not pump oil.

5.There is air in the oil circuit.

6.The valve timing is misaligned. The opening time of the valve is not coordinated with the stroke of the piston in the cylinder. For example, when the piston makes a compression stroke in the cylinder, the intake and exhaust valves are open, and fresh air is driven out of the cylinder, so that there is no combustion gas in the cylinder and it cannot start.

7.The solenoid valve of the injection pump is broken and is in a closed state, and the diesel cannot enter the high-pressure chamber.

Blue smoke when starting a cold car: It is normal for a cold car to emit blue smoke and disappear after the car is heated, because a small amount of oil will invade the engine combustion chamber after the shutdown. Continuous blue smoke after starting:

1. The diesel filter is clogged, check whether the oil type is correct;

2. The engine piston ring and valve oil seal are worn, affecting the oil in the intake or exhaust pipe, which causes the excavator to emit blue smoke;

3. The clearance between the piston and the cylinder liner is too large, causing blue smoke;

Possible electrical issues, suction line blockage, or internal pump damage.

Solution: Check electrical connections, clear suction line, inspect and repair or replace pump.

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