NOTE:
Start all four screws before tightening, then torque in a criss-
cross pattern. Re-install spark plugs.
• Re-attach the spark plug wire to the spark plug.
• Repeat the process for the other cylinder.
MAINTENANCE SCHEDULE
The owner/operator is responsible for making sure that all peri-
odic maintenance tasks are completed on a timely basis; that all
discrepancies are corrected; and that the equipment is kept clean
and properly stored. Never operate a damaged or defective engine.
Disconnect the spark plug wires from the
spark plugs, and place the wires where they
cannot come in contact with the spark plugs
before working on this engine.
MAINTENANCE SCHEDULE
Every 8
Hours or
Daily
Every 50
Hours or
Yearly
Every
100
Hours or
Yearly
Every
500
Hours or
Yearly
Check Oil Level •
Change Oil Note 1 Note 1
Change Oil Filter Note 1 Note 1
Service Air Filter Note 2
Fuel Filter •
Replace or Clean
Spark Plug
•
Clean Spark
Arrestor Screen
•
Check Valve
Clearance
Note 3 Note 3
Note 1: Change oil and filter after first eight (8) hours of opera-
tion and then every 100 hours thereafter. Change sooner when
operating under a heavy load or in a dust or dirty environment
or in high ambient temperatures.
Note 2: Service more often when operating in dirty or dusty
conditions.
Note 3: Check valve clearance and adjust (if necessary) after
first 50 hours of operation and every 100 hours thereafter.
STORAGE INSTRUCTIONS
This engine should be started at least once a month and run for at
least 10 minutes. If this cannot be done and the equipment must
be stored for more than 30 days, use the following guidelines to
prepare it for storage.
NEVER store the engine with the fuel in the
tank indoors or in an enclosed or poorly ven-
tilated area. Fumes can reach an open flame,
spark, or pilot light as on a furnace, water
heater, or clothes dryer and ignite.
1. Run the engine for about five (5) minutes to warm it.
NOTE:
Alcohol-blended fuel, or “gasohol”, attracts moisture which can
lead to the separation and formation of acids during storage.
This acidic gas can damage internal engine parts. Methanol,
ethanol and grain alcohol all are forms of gasohol. If “gasohol”
was used, drain the fuel tank, then run the engine until it stops
from lack of fuel.
Drain the fuel into an approved container,
outdoors and away from open flame. Be sure
the engine is cool.
NOTE:
Using a fuel additive such as STA-BIL® fuel stabilizer, or an
equivalent, will prevent gum deposits from forming in the
engine’s fuel system.
2. While the engine is still warm, drain the oil from the crankcase
(Figure 3). Refill it with fresh oil. See the "BEFORE STARTING
ENGINE" section for oil recommendations.
3. Remove spark plug and pour about 1/2 ounce (15ml) of
engine oil into the cylinder. Crank slowly to distribute oil.
Avoid spray from the spark plug hole when
cranking the engine slowly.
4. Install the spark plug. Do not connect the spark plug wire.
5. Clean dirt, oil and grease from the cylinder, cylinder head,
fins, blower housing, rotating screen and muffler area.
6. Close the fuel shut-off valve, if equipped.
OTHER STORAGE TIPS
1. Do not store gasoline from one season to another.
2. Use only plastic gasoline containers. Rust and/or dirt in gaso-
line can cause problems.
3. Store the equipment in a clean and dry area.
8
Maintenance
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