Maintaining The Engine Air Cleaner; Checking The Engine Spark Plug - Generac Power Systems RV 45 SERIES Owner's Manual

Figure 3.2 — Engine Oil Filter
Engine
Oil Filter
Twist Counter-clockwise to Loosen
10. Remove the dipstick, valve cover plug and add new oil (see
"Engine Oil Requirements") to engine. DO NOT FILL ABOVE
THE "FULL" MARK.
11. Install and tighten plug and dipstick before starting the
engine.
12. Start engine and check for leaks.
Check the oil level and fill to the "FULL " mark after
checking for leaks. The filter will retain some oil.
3.3 MAINTAINING THE ENGINE
AIR CLEANER
Replace the paper air filter element after every 200 hours of opera-
tion. (Perform more often when operating in dusty conditions)
1. At the Air Cleaner Cover, turn the yellow plastic knob ¼ turn
counter-clockwise.
2. Pull the top of the Cover out as it hinges on the bottom of the
Air Cleaner Base.
3. Separate the Cover by lifting up and out from the Base.
4. Pull the old filter out and discard safely.
5. Install the new filter in place on the Air Cleaner Base (Figure
3.3).
6. Interlock the Air Cleaner Cover to hinge with the Air Cleaner
Base.
7. Align the Cover and gently push the top closed.
8. Engage the yellow plastic knob and turn ¼ turn clockwise to
secure.
12
Section 3 – Maintenance
Recreational Vehicle Generators
NOTE:
Figure 3.3 – Engine Air Cleaner
Air Cleaner Base
Air Cleaner Cover
3.4 CHECKING THE ENGINE
SPARK PLUG
Reset the spark plug 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 interval. Clean by scrap-
ing 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 0.76mm (0.030 inch) by carefully bending the ground
electrode if necessary (Figure 3.4).
Figure 3.4 – Setting the Spark Plug Gap
SET PLUG GAP AT 0.030 in.
(.076 MM)

 Sparking can occur if the wire terminal does
not fit firmly on the spark plug terminal end. If
necessary, re-form the wire terminal to obtain a
tight fit.
Air Cleaner
Knob