Changing The Oil And Oil Filter; Replacing The Spark Plug; Service Air Cleaner; Clean Spark Arrestor Screen - Generac Power Systems 005844-0 Owner's Manual

Maintenance

3.3.5 CHANGING THE OIL AND OIL FILTER

Change the oil and filter after the first 30 hours of operation. Change
the oil every 100 hours or every season thereafter. If running this
unit under dirty or dusty conditions, or in extremely hot weather,
change the oil more often.
Hot oil may cause burns. Allow engine to

cool before draining oil. Avoid prolonged
or repeated skin exposure with used oil.
Thoroughly wash exposed areas with soap.
Use the following instructions to change the oil:
• Clean area around oil drain plug.
• Remove oil drain plug from engine and oil fill plug to drain oil
completely into a suitable container.
• When oil has completely drained, install oil drain plug and
tighten securely.
• Place a suitable container beneath the oil filter and turn
filter counterclockwise to remove. Discard according to local
regulations.
• Coat gasket of new filter with clean engine oil. Turn filter
clockwise until gasket contacts lightly with filter adapter. Then
tighten an additional 3/4 turn.
• Fill engine with recommended oil. (See "Before Starting the
Generator" for oil recommendations).
• Wipe up any spilled oil.
• Dispose of used oil at a proper collection center.

3.3.6 REPLACING THE SPARK PLUG

Use Champion RC14YC spark plug or equivalent. Replace the
plug once each year. This will help the engine start easier and
run better.
1. Stop the engine and pull the spark plug wire off of the spark
plug.
2. To gain access, remove the four (4) screws and remove the
side panel.
3. Clean the area around the spark plug and remove it from the
cylinder head.
4. Set the spark plug's gap to .76 mm (0.030 in.). Install the
correctly gapped spark plug into the cylinder head (Figure
12).
5. Push the boot firmly on the spark plug and install side panel.
Figure 12 - Spark Plug Gap
12

3.4 SERVICE AIR CLEANER

The engine will not run properly and may be damaged if using a
dirty air cleaner. Clean or replace the air cleaner paper filter every
200 hours or once a year (Figure 13). Clean or replace more often
if operating under dusty conditions.
To clean or replace paper air filter:
• Remove air cleaner cover; then remove the paper filter.
• Clean paper filter by tapping it gently on a solid surface. If the
filter is too dirty, replace it with a new one. Dispose of the old
filter properly.
• Clean air cleaner cover, then insert new paper filter into the base
of the air cleaner. Re-install air cleaner cover.
Figure 13 – Air Filter
Base
Cover
To order a new air filter, please contact the nearest authorized
service center at 1-888-436-3722.

3.5 CLEAN SPARK ARRESTOR SCREEN

The engine exhaust muffler has a spark arrestor screen. Inspect and
clean the screen every 100 hours or at least once each year (Figure
14). If unit is used regularly, inspect and clean more often.
If using the generator on any forest-covered,

brush-covered or grass-covered unimproved
land, it must equipped with a spark arrestor.
The spark arrestor must be maintained in good
condition by the owner/operator.
Filter
NOTE: