Air Filter; Spark Plug(S) - Generac Power Systems 8 - 20kW Air-cooled Automatic Standby Generators Owner's Manual

Maintenance
Figure 4.5 — 13, 14, 16, 17 & 20kW
Engine Air Cleaner
Screw
4.5.2 10KW GENERATORS
See "The Generator" section for the location of the air cleaner. Use
the following procedure (Figure 4.6):
1. Lift the roof and remove the door.
2. Turn the worm gear clamp screw counterclockwise to loosen.
3. Pull the old filter off the divider panel hub.
4. Wipe away dust or debris from the panel hub.
5. Install the new air cleaner onto the hub.
6. Turn the worm gear clamp screw clockwise to tighten.
7. Replace the door and close the roof securely.
Figure 4.6 — 10kW Engine Air Cleaner

Air Filter

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Cover
Filter
4.5.3 8KW GENERATOR
See "The Generator" section to locate the air box. Use the following
procedures to replace the dirty air filter within the air box (Figure
4.7).
1. Lift the roof and remove the door.
2. Push back on the latch of the yellow air filter access door to
swing open.
3. Pull out the old air filter and discard appropriately.
4. Install the new filter, open end first into the air box.
5. Swing the yellow door shut and snap to close.
6. Replace door and close roof securely.
Figure 4.7 — 8kW Engine Air Cleaner Location
4.6

SPARK PLUG(S)

Reset the spark plug(s) gap or replace the spark plug(s) as neces-
sary. See the Service Schedule section for maintenance require-
ments.
1. Clean the area around the base of the spark plug(s) to keep
dirt and debris out of the engine.
2. Remove the spark plug(s) and check the condition. Replace
the spark plug(s) 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 plug(s) to clean.
3. Check the spark plug gap using a wire feeler gauge. Adjust
the gap to 0.76 mm (0.030 inch) for 8, 10 and 20kW; and
1.02 mm (0.040 inch) for 13, 14, 16 and 17kW by carefully
bending the ground electrode (Figure 4.8).
Figure 4.8 – Setting the Spark Plug Gap
Air Cleaner
Cover