Lubrication System; Cooling System; Diesel Fuel System Storage; Gaseous Fuel System Storage - Kohler APM402 Operation

3.11.1 Lubrication System

Prepare the engine lubricating system for storage as follows:
1. Run the generator set for a minimum of 30 minutes to bring it to normal operating temperature.
2. Stop the generator set.
3. With the engine still warm, drain the oil from the crankcase.
4. Remove and replace the oil filter.
5. Refill the crankcase with oil suited to the climate.
6. Run the generator set for two minutes to distribute the clean oil.
7. Stop the generator set.
8. Check the oil level and adjust, if needed.

3.11.2 Cooling System

Prepare the cooling system for storage as follows:
1. Check the coolant freeze protection using a coolant tester.
2. Add or replace coolant as necessary to ensure adequate freezing protection. Use the guidelines included in the engine
operation manual.
3. Run the generator set for 30 minutes to redistribute added coolant.

3.11.3 Diesel Fuel System Storage

1. Fill the fuel tank with #2 diesel fuel.
2. Condition the fuel system with compatible additives to control microbial growth.
Change the fuel filter/separator and bleed the fuel system. See the engine owner's manual.
3.

3.11.4 Gaseous Fuel System Storage

1. Start the generator set.
2. With the generator set running, shut off the gas supply.
3. Run the generator set until the engine stops.
4. Place the generator set master switch in the OFF/RESET position.
TP-6694 9/20 109