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TP-6843 1/13 Section 4 Scheduled Maintenance 51
Refer to this section for general battery information
and maintenance. Also consult the battery
manufacturer’s instructions for battery maintenance.
All generator set models use a negative ground with a
12-volt engine electrical system. Consult the
generator set nameplate for the engine electrical
system voltage. Consult the generator spec sheet for
battery capacity recommendations for replacement
purposes. Wiring diagrams provide battery connection
information. See Figure 4-7 for typical battery
connections.
Figure 4-7
Figure 4-7 12-Volt Engine Electrical System Single
Starter Motor, Typical Battery Connection
Clean the battery and cables and tighten battery
terminals using the service schedule
recommendations. To prevent corrosion, maintain
tight, dry electrical connections at the battery
terminals. To remove corrosion from battery terminals,
disconnect the cables from the battery and scrub the
terminals with a wire brush. Clean the battery and
cables with a solution of baking soda and water. After
cleaning, flush the battery and cables with clean water
and wipe them with a dry, lint-free cloth.
After reconnecting the battery cables, coat the battery
terminals with petroleum jelly, silicone grease, or other
nonconductive grease.
4.8 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.
4.8.1 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
4.2.3 for oil recommendations.
5. Run the generator set for a few minutes to
distribute the clean oil.
6. Stop the generator set.
4.8.2 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.
4.8.3 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.
4.8.4 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.
KPS_030
1
2
1. To positive (+) terminal on starter solenoid
2. To ground (–) terminal on or near starter motor