Generac Power Systems 05176-0 - Manual (Page 21)

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Figure 5.3 – Oil Drain Hose and Filter
Oil Filter
Oil
Drain
Hose
Loose
n
3. After the oil has drained, replace the cap onto the
end of the oil drain hose. Retain the hose in the
clip.
4. Refill with the proper recommended oil (see
"Changing the Engine Oil"). See the "Specifications"
section for oil capacities.
5.4 CHANGING THE OIL FILTER
Change the engine oil filter as follows:
1. With the oil drained, remove the old oil filter by
turning it counterclockwise.
2. Apply a light coating of clean engine oil to the
gasket of the new filter. See the "Specifications"
section for recommended filter.
3. Screw the new filter on by hand until its gasket
lightly contacts the oil filter adapter. Then, tighten
the filter an additional 3/4 to one turn (Figure
5.3).
4. Refill with the proper recommended oil (see
"Changing the Engine Oil"). See the "Specifications"
section for oil capacities.
5. Start the engine and check for leaks.
5.5 CHANGING THE ENGINE
AIR CLEANER
See Figures 1.1 and 1.2, for the location of the air
cleaner. Use the following procedure (Figure 5.4):
1. Turn the two screws counterclockwise to loosen.
2. Remove the cover and air filter.
3. Wipe away dust or debris from inside of the air
box and around edges.
4. Install the new air cleaner into the air box.
5. Install the cover. Turn the two cover screws clock-
wise to tighten.
See the “Service Schedule” section for air cleaner
maintenance. See the "Specifications" section for air
filter replacement part number.
Figure 5.4 — Engine Air Cleaner
Cover
Filter
Screw
5.6 SPARK PLUG(S)
Reset the spark plugs gap or replace the spark plugs
as necessary. See the “Service Schedule” section for
maintenance requirements.
1. Clean the area around the base of the spark plugs
to keep dirt and debris out of the engine. Clean
by scraping or washing using a wire brush and
commercial solvent. Do not blast the spark plugs
to clean.
2. Remove the spark plugs and check the condition.
Replace the spark plugs if worn or if reuse is
questionable. See the “Service Schedule” section
for recommended inspection.
3. Check the spark plug gap using a wire feeler
gauge. Adjust the gap to 0.50 mm (0.020 inch) for
by carefully bending the ground electrode (Figure
5.5).
Figure 5.5 – Setting the Spark Plug Gap
Section 5 — Maintenance
Air-cooled 15 kW Generators
SET PLUG GAP AT 0.50 mm (0.020 inch)