Doosan Dual Fuel Engine G20SC-5

Warning: This procedure requires trained personnel with PPE!

Upload a photo of the leak check squirt bottle or pump spray bottle

Is the bottle filled with an approved leak check solution?

Spray a generous amount of the solution on the fuel system fuel lines and connections, starting at the storage container.

Waited for approximately 15-60 seconds?

Any leaks causing the solution to bubble?

Smelled for LPG odor indicating a leak?

Transmission in neutral position

If RPM is not normal, it is impossible to measure the proper ignition timing, so measure it at a normal RPM.

• Visually inspect coolant hoses and clamps. Remember to check the two coolant lines that connect to the pressure regulator/converter.

• Replace any hose that shows signs of leakage, swelling, cracking, abrasion or deterioration.

1. After the coolant temperature drops below 38°C loosen the radiator cap.

2. Check that the coolant level reaches filler neck.

3. Install the radiator cap tester to the radiator filler neck and apply a pressure of 1.4kg/cm2 . While maintaining it for 2 minutes, check the radiator, hose, and connecting part for leak.

!CAUTION: Because the coolant in the radiator is too hot, never open the cap when it hot, or injury may occur due to an outburst of hot water. Dry out the inspection part. When removing the tester, take care not to spill the coolant.

When removing/installing the tester as well as testing, take care not to deform the filler neck.

• Remove and inspect the spark plugs. Replace as required.

• Inspect the ignition coil for cracks and heat deterioration. Visually inspect the coil heat sink fins. If any fins are broken replace as required.

Is the oil level between “MIN” and “Max” marks on the engine oil level gauge?

Is the oil level below “MIN” mark?

If the oil level is below “MIN” mark, add oil until the level is within the specified ranges.

Check the engine for oil contamination and viscosity and replace if necessary.

Sign off on the engine oil level check