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Any attempt to crank or start the engine before
it has been properly serviced with the recom-
mended oil may result in an engine failure.
4.3.2 OIL CHANGE PROCEDURE
To change the oil, proceed as follows:
1. Run the engine until it is thoroughly warmed up
then shut OFF the engine.
2. Immediately after the engine shuts OFF, pull the
oil drain hose (Figure 4.3) free of its retaining
clip. Remove the cap from the hose and drain the
oil into a suitable container.
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
“Engine Oil Recommendations”). See the
“Specifications” Section for oil capacities.
Figure 4.3 – Oil Drain Hose and Filter
Oil Filter
Oil
Drain
Hose
L
o
o
s
e
n
4.4 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
4.4).
4. Refill with the proper recommended oil (see
“Engine Oil Recommendations”). See the
“Specifications” Section for oil capacities.
5. Start the engine and check for leaks.
4.5 CHANGING THE ENGINE
AIR CLEANER
4.5.1 15 KW GENERATORS
See Figure 4.4, for the location of the air cleaner. Use
the following procedure:
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 4.4 — 15 kW Engine Air Cleaner
Cover
Filter
Screw
4.6 SPARK PLUG(S)
Reset the spark plug(s) gap or replace the spark
plug(s) as necessary. See the “Service Schedule”
Section for maintenance requirements.
1. Clean the area around the base of the spark
plug(s) 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
plug(s) to clean.
2. Remove the spark plug(s) and check the con-
dition. Replace the spark plug(s) 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
15 kW by carefully bending the ground electrode
(Figure 4.5).
Section 4 — Maintenance
15 kW Generator
17