ENGINE OIL CHANGE
1. Make sure the engine is stopped and is level.Close the fuel valve.
2. Place a drain pan underneath the crankcase drain plug.
CAUTION: Oil is hot during operation and can cause burns. Wait for engine to cool before changing oil.
3. Remove the drain plug and, if possible, tilt the crankcase slightly to help drain the oil out. Recycle used
oil.
4. Replace the drain plug and tighten it.
5. Clean the top of the dipstick and the area around it. Remove the dipstick and wipe it with a clean, dry
cloth.
AIR FILTER MAINTENANCE
1. Remove the air lter cover and the air lter elements and check for dirt.
2. 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 briey, then squeeze out the excess oil.
3. Install the cleaned lter. Secure the Air Cleaner Cover before use.
SPARK PLUG MAINTENANCE
1. 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.
NOTE: Using an incorrect spark plug may damage the engine.
4. When installing a new spark plug, adjust the plug’s gap to the specication on the Specications 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 tighten about 1/2-2/3 turn more. Non-gasket-style: Finger-
tighten until the plug contacts the head, then tighten about 1/16 turn more.
NOTE: 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.
AFTER EACH USE
1. Remove drain plug from front of Pump
2. Tilt Pump forward to drain all remaining water from inside.
DRAIN
PLUG
8
LONG TERM STORAGE
1. CLEANING: Wait for engine to cool, then clean engine with dry cloth. NOTICE: Do not clean using water.
The water will gradually enter the engine and cause rust damage. Apply a thin coat of rust preventive oil to
all metal parts.
2. FUEL: To protect the fuel tank during storage, ll the tank with gasoline that has been treated with a fuel
stabilizer additive. Follow fuel stabilizer manufacturer’s recommendations for use.
When the equipment is to remain idle for longer than 20 days, prepare the engine for storage as follows:
TROUBLESHOOTING
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