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For Pump technical questions, please call 1-800-444-3353.Item 68375
For Engine technical questions, please call 1-800-520-0882.
Air Filter Element Maintenance
1. Toremovetheairltercover,pushinandliftup
on the Filter Cover Tab, pivoting the cover at
theBaseHinge.Removethelterandcheckfor
dirt. Clean or replace as described below.
2.
Filter Cover
Filter Cover
Tab
Filter
Base Hinge
Cleaning:
• Foamlterelement:
Wash the element in warm water and mild
detergent several times. Rinse. Squeeze
out excess water and allow it to dry
completely.Soakthelterinlightweightoil
briey,thensqueezeouttheexcessoil.
3. Installthenewlterorthecleanedlter.
Secure the Air Cleaner Cover before use.
Spark Plug Maintenance
1.
Spark
Plug
Cap
Disconnect spark plug cap from end of plug.
Clean out debris from around spark plug.
2. Using a spark plug wrench, remove the spark plug.
3. Inspect the spark plug:
If the electrode is oily, clean it using a clean, dry
rag. If the electrode has deposits on it, polish it
using emery paper. If the white insulator is cracked
or chipped, the spark plug needs to be replaced.
Recommended Spark Plug
brand Part #
NGK®BP-6ES
NHSP® / TORCH®F6TC
NOTICE: Using an incorrect spark
plug may damage the engine.
4. When installing a new spark plug, adjust the
plug’sgaptothespecicationontheTechnical
Specicationschart.Donotpryagainstthe
electrode, the spark plug can be damaged.
5. Install the new spark plug or the cleaned spark plug
into the engine.
Gasket-style: Finger-tighten until the gasket contacts
the cylinder head, then about 1/2-2/3 turn more.
Non-gasket-style: Finger-tighten until the plug
contacts the head, then about 1/16 turn more.
NOTICE: Tighten the spark plug properly.
If loose, the spark plug will cause the engine
to overheat. If overtightened, the threads
in the engine block will be damaged.
6. Apply dielectric spark plug boot protector
(not included) to the end of the spark plug
and reattach the wire securely.