Generac Power Systems G0071411, Owner'S Manual, Page: 30 / 42

Maintenance
26 Owner’s Manual for 60 Hz Air-Cooled Generators
8. Screw the new filter on by hand until its gasket
lightly contacts the oil filter adapter. Tighten the
filter an additional three-quarter to one full turn.
9. Refill the engine with the proper recommended oil.
See
Engine Oil Requirements .
10. Press the MANUAL mode button on the control
panel to start the engine, run for one minute, and
inspect for leaks.
11. Press the OFF mode button on the control panel to
stop the engine. Wait five minutes.
12. Check the oil level. Add oil as needed. DO NOT
OVERFILL.
13. Insert oil dipstick and/or attach fill cap.
14. Press AUTO mode button on the control panel to
return the unit to Auto mode.
15. Close and lock the lid.
16. Dispose of the used oil and filter at a proper
collection center.
Servicing the Air Cleaner
Proceed as follows to service the air cleaner:
1. Lift the lid and press the OFF mode button on the
control panel to stop the generator.
2. Remove the front panel.
3. See Figure 4-2 . Remove the cover clips (A) and air
cleaner cover (B).
.
Figure 4-2. Servicing Air Cleaner
4. Remove the old air filter element (C) and discard.
5. Thoroughly clean the air cleaner enclosure of any
dust or debris.
6. Install a new air filter element.
7. Install the air cleaner cover and fasten the cover clips.
8. Verify the air inlet duct (D) is properly connected to
the air cleaner cover.
9. Press the AUTO mode button on the control panel
to return the unit to AUTO mode.
Spark Plug(s)
Proceed as follows to check the spark plug gap and
replace the spark plug(s) as necessary:
1. With the generator OFF and the engine cool, lift the
lid and remove the front panel.
2. Clean the area around the base of the spark
plug(s) to keep dirt and debris out of the engine.
3. Remove the spark plug(s) and inspect. Install a
new plug(s) if the old plug(s) is worn or if reuse is
questionable.
4. Clean the plug(s) by scraping or washing with a
wire brush and commercial solvent. Do not blast
the plug(s) to clean.
NOTE: Clean the spark plug in emergency situations
only. Otherwise, replace spark plug.
5. Check the spark plug gap using a wire feeler
gauge. See
Figure 4-3 . Replace the spark plug if
the gap is out of specification. See General
Information .
NOTE: New spark plugs should have the gap checked
prior to installation.
6. Install the spark plug(s), and torque to 18.4 ft-lbs
(25 Nm).
7. Press the control panel AUTO button to return the
unit to AUTO mode.
Figure 4-3. Spark Plug Gap Measurement
001814
B
A
C
D
000211