Generac Power Systems RG10090 Owner's Manual page 39

5. Set generator MLCB (generator disconnect) to
OFF (OPEN).
6. Pull up rubber flap covering fuse holder and re-
move 7.5 amp fuse.
7. Turn off utility power to transfer switch using the
means provided (such as an utility MLCB).
8. Place a DO NOT OPERATE tag or placard on both
the control panel and transfer switch.
9. Wait five minutes for engine to cool.
10. Remove left and right side access panels.
11. Remove oil drain hose from holding clamp.
12. Use one wrench to hold hex on oil drain hose fitting
(to prevent rotation), and use second wrench to re-
move oil drain plug.
13. Drain oil into a suitable container.
14. Install oil drain plug onto end of oil drain hose.
15. Install oil drain hose into holding clamp.
16. Turn oil filter counterclockwise to remove from oil
filter adapter.
17. Apply a light coat of clean engine oil to gasket of
new oil filter.
18. Install oil filter by hand until gasket just contacts oil
filter adapter. Tighten oil filter an additional three-
quarters to one full turn.
19. Remove oil fill cap and fill engine with the recom-
mended oil. See Engine Oil
20. Install oil fill cap.
NOTE: Dispose of used oil and oil filter in accordance
with local, state, or national laws.
Battery Removal
WARNING
Explosion. Batteries emit explosive gases.
Always disconnect negative battery cable
first to avoid spark. Failure to do so could re-
sult in death or serious injury.
Proceed as follows to remove the battery:
1. Remove negative battery cable (black) from nega-
tive battery (-) terminal.
2. Remove positive battery cable (red) from positive
battery (+) terminal.
3. Remove two screws to release battery hold-down
clamp from platform.
4. Remove battery and store in a cool, dry room.
Spark-Ignited Stationary Generators Owner's Manual
Recommendations.
(W000238)
5. Install left and right side access panels.
6. Thoroughly clean and wipe down generator. See
Corrosion Protection.
Return From Storage
WARNING
Explosion. Batteries emit explosive gases.
Always connect positive battery cable first to
avoid spark. Failure to do so could result in
death or serious injury.
Proceed as follows to return unit to service after storage:
1. Thoroughly clean and wipe down generator. See
Corrosion Protection.
2. Remove left and right side access panels.
3. Install battery onto tray oriented with the negative
(-) battery post toward the front of the enclosure.
4. Install two screws with nylon washers to secure
battery hold-down clamp to tray.
5. Check battery. See
Fluid Level.
6. Install positive battery cable (red) onto positive bat-
tery (+) terminal.
7. Install negative battery cable (black) onto negative
battery (-) terminal.
8. Check oil level and add oil as necessary. DO NOT
OVERFILL.
9. Open viewing window. See
10. Pull up rubber flap covering fuse holder and install
7.5 amp fuse.
11. Set generator MLCB (generator disconnect) to ON
(CLOSED).
12. Press MANUAL on the control panel to start en-
gine. A blue LED illuminates to verify system is in
MANUAL.
Attention After Submersion
Do NOT start and operate the generator if it has been
submerged in water. Have an IASD thoroughly clean, dry,
and inspect the generator following any submersion. If
structure (home) has been flooded, it should be inspected
by a certified electrician to verify there won't be any elec-
trical problems during generator operation or when utility
power is returned.
Maintenance
(W000133)
Checking Battery Condition/
Activating the Unit.
39