Full Product Manual

100519 - 6250W OPEN FRAME INVERTER
MAINTENANCE
24
Changing the Engine Oil
Change oil when the engine is warm. Refer to the oil
specification to select the proper grade for your operating
environment.
1. Unclip the quick drain oil tube from behind the panel and
remove the oil drain cap.
2. Allow the oil to drain completely into an appropriate
container.
3. Replace the oil drain cap.
4. Remove the oil fill cap/dipstick to add oil.
5. Add oil according to “Add Engine Oil” on Assembly
section. DO NOT OVERFILL. Oil not included for routine
maintenance.
6. Dispose of used oil at an approved waste management
facility.

NOTICE
Once oil has been added, a visual check should show oil
about 1-2 threads from running out of the fill hole. If using
the dipstick to check oil level, DO NOT screw in the dipstick
while checking.
Cleaning and Adjusting the Spark Plug
1. Remove the spark plug cable from the spark plug.
2. Use a spark plug socket tool (not included), or a
13/16 in. (21 mm) socket (not included) to remove the plug.
3. Inspect the electrode on the plug. It must be clean and not
worn to produce the spark required for ignition.
4. Make certain the spark plug gap is
0.028-0.031 in. (0.7-0.8 mm).
SPARK PLUG GAP
5. Refer to the spark plug types in Specifications when
replacing the plug.
6. Firmly re-install the plug.
7. Attach the spark plug cable to the spark plug.
Cleaning the Air Filter
1. Remove the snap-on cover holding the air filter to the
assembly.
2. Remove the foam element.
3. Wash in liquid detergent and water. Squeeze thoroughly dry
in a clean cloth.
4. Saturate in clean engine oil.
5. Squeeze in a clean, absorbent cloth to remove all excess
oil.
6. Place the filter in the assembly.
7. Reattach the air filter cover and snap in place.