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NOTE: Used lubricant should be disposed of at an
approved isposal site. See your local oil retailer for more
information.
SPARK PLUG MAINTENANCE
See Figure 12.
The spark plug must be properly gapped and free of
deposits in order to ensure proper engine operation. To
check:
- Remove the spark plug cap.
- Clean any dirt from around base of spark plug.
- Remove spark plug using wrench (not included).
- Inspect spark plug for damage, and clean with a wire
brush before reinstalling. If insulator is cracked or
chipped, spark plug should be replaced. For replace-
ment spark plug, see Product Specifications earlier in this
manual or the accompanying engine manual, if appli-
cable.
- Measure plug gap. The correct gap is 0.028−0.031 in.
(0.7-0.8 mm). To widen gap, if necessary, carefully bend
the ground (top) electrode. To lessen gap, gently tap
ground electrode on a hard surface.
- Seat spark plug in position; thread in by hand to
prevent cross-threading.
- Tighten with wrench to compress washer. If spark plug
is new, use 1/2 turn to compress washer appropriate
amount. If reusing old spark plug, use 1/8 to 1/4 turn for
proper washer compression.
NOTE
An improperly tightened spark plug will become
very hot and could damage the engine.
- Reinstall the spark plug cap.
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CLEANING THE EXHAUST PORT AND
MUFFLER
Depending on the type of fuel used, the type and
amount of ubricant used, and/or your operating condi-
tions, the exhaust port and muffler may become blocked
with carbon deposits.
If you notice a power loss with your gas-powered
products, you may need to remove these deposits to
restore performance.
We highly recommend that only qualified service echni-
cians perform this service.
SPARK ARRESTOR
See Figure 13.
NOTICE:
This product is equipped with a spark arrestor that has
been evaluated by the USDA Forest Service; however,
product users must comply with Federal, State, and local
fire prevention regulations. Check with appropriate
authorities. Contact customer service or a qualified servi-
ce center to purchase a replacement spark arrestor.
- Inspect the spark arrestor for breaks or holes. Clean or
replace if necessary.
- Use a brush (not provided) to remove carbon deposits
from the spark arrestor screen as needed.
TRANSPORTING
- Turn the engine switch OFF ( O ).
- Disconnect any equipment that is plugged into the
generator.
- Verify the fuel valve is in the OFF ( O ) position.
- Allow 30 minutes of "cool down" time before storing
the machine. Make sure engine and exhaust of unit are
cool.
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