Changing The Engine Air Cleaner; Spark Plugs - Generac Power Systems EcoGen Series Owner's Manual

4.3.3 OIL & OIL FILTER CHANGE PROCEDURE
To change the oil, proceed as follows:
1. Start the engine by moving the AUTO/OFF/MANUAL switch to
MANUAL and run until it is thoroughly warmed up. Then shut
OFF the engine by moving the switch to the OFF position.
2. Immediately after the engine shuts OFF, pull the oil drain hose
(Figure 4.1) 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.
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 3.4).
4. Refill with the proper recommended oil (see the Engine Oil
Recommendations section). See the Specifications section
for oil capacities.
5. Start the engine, run for one (1) minute, and check for leaks.
6. Shutdown and recheck oil level, add as needed. DO NOT
OVER FILL.
7. Reset the AUTO/OFF/MANUAL switch to the AUTO position.
8. Dispose of used oil at a proper collection center.
* Repeat steps 2 and 3 for the oil reservoir.
4.4 CHANGING THE ENGINE AIR
CLEANER
See "The Generator" section for the location of the air cleaner. Use
the following procedures (Figure 4.2):
1. Lift the roof and remove the door.
2. Turn the two screws 1/4 turn counterclockwise to loosen.
3. Remove the cover and air filter.
4. Wipe away dust or debris from inside of the air box and
around edges.
5. Install the new air cleaner into the air box.
6. Install the cover. Turn the two cover screws 1/4 turn clock-
wise to tighten.
See the Service Schedule section for air cleaner maintenance. See
the Specifications section for air filter replacement part number.
Figure 4.2 — Engine Air Cleaner
4.5

SPARK PLUGS

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.
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. Clean
by scraping or washing using a wire brush and commercial
solvent. Do not blast the spark plugs to clean.
3. Check the spark plug gap using a wire feeler gauge. Adjust the
gap to 0.76 mm (0.030 inch) by carefully bending the ground
electrode (Figure 4.3).
Figure 4.3 – Setting the Spark Plug Gap
Maintenance
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