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TP-6804 12/1166 Section 5 Scheduled Maintenance
5.8 Storage Procedure
Perform the following storage procedure before
removing the generator set from service for three
months or longer. Follow the engine manufacturer’s
recommendations for storage, if available.
Note: Run the generator set monthly whenever
possible.
5.8.1 Lubricating System
1. Operate the generator set until it reaches operating
temperature, or about 15 minutes.
2. Stop the generator set.
3. While the engine is still warm, drain the engine
lubrication oil from the engine crankcase.
4. Refill engine crankcase with oil. See Section 5.2.3
for oil recommendations.
5. Run the generator set for a few minutes to
distribute the clean oil.
6. Stop the generator set.
5.8.2 Fuel System
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. Press the OFF button on the generator set
controller.
5.8.3 Cylinder Lubrication
1. Remove the spark plugs.
2. Pour one tablespoon of engine oil into each spark
plug hole. Install the spark plugs and ground the
spark plug leads. Do not connect the leads to the
plugs.
3. Crank the engine two or three revolutions to
lubricate the cylinders.
5.8.4 Exterior Preparation
1. Clean the exterior surface of the generator set.
2. Seal all openings in the engine with nonabsorbent
adhesive tape.
3. Mask all areas to be used for electrical contact.
4. Spread a light film of oil over unpainted metallic
surfaces to prevent rust and corrosion.
5.8.5 Battery
Perform battery storage last.
1. Press the OFF button on the generator set
controller.
2. Disconnect the battery, negative (--) lead first.
3. Clean the battery.
4. Place the battery in a warm, dry location.
5. Connect the battery to a float/equalize battery
charger, or charge the battery monthly using a
trickle charger. Follow the battery charger
manufacturer’s recommendations.