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Checking the Spark Plug
Important:
Do not clean the spark plug(s).
Always replace the spark plug(s) when it has a
black coating, worn electrodes, an oily film, or
cracks.
If you see light brown or gray on the insulator, the
engine is operating properly. A black coating on the
insulator usually means the air cleaner is dirty.
Set the gap to 0.71 mm (0.028 inch).
Figure 19
Installing the Spark Plug
1.
Thread the spark plug clockwise into the
spark-plug hole by hand.
2.
Rotate the spark plug clockwise using a
spark-plug wrench until the plug and sealing
washer are seated.
3.
Tighten the spark plug as follows:
•
When installing the original spark plug,
tighten the plug an additional 1/2 turn.
•
When installing a new spark plug, tighten the
plug an additional 1/8 to 1/4 turn.
Important:
A loose spark plug may cause
the cylinder to overheat. An over-tight spark
plug may damage the threads in the cylinder
head.
4.
Connect the spark-plug wire to the spark plug.
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Storage
Storage Safety
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Cleaning and Storing the
Machine
17
Shut off the machine and wait for all moving parts
to stop before you leave the operator's position.
Allow the machine to cool before adjusting, fueling,
unclogging, servicing, cleaning, or storing the
machine.
Run the engine dry or remove the fuel with a hand
pump; never siphon the fuel. If you must drain the
fuel tank, do it outdoors.
Follow the instructions in this Operator's Manual
to safely unload, transport, and store the machine.
Do not store the machine with fuel in the fuel
tank inside a building where ignition sources are
present, such as hot water and space heaters and
clothes dryers. Allow the engine to cool before
storing the machine in an enclosure.
Follow the instructions in this Operator's Manual
for important information on storing the machine
for an extended time.
1.
Park the machine on a level surface, shut off
the engine, and wait for all moving parts to stop
before leaving the operating position.
2.
Remove debris from the cultivator tines and
engine.
Important:
You can wash the machine
with mild detergent and water. Do not
pressure-wash the machine. Avoid
excessive use of water, especially near the
engine and transmission.
3.
Service the air filter; refer to
Filter (page
16).
4.
Prepare the machine for storage for over
30 days as follows:
A.
Add fuel stabilizer/conditioner to fresh fuel
in the tank. Follow mixing instructions from
the fuel stabilizer manufacturer. Do not
use an alcohol-based stabilizer (ethanol or
methanol).
B.
Run the engine to distribute conditioned fuel
through the fuel system for 5 minutes.
C.
Shut off the engine, allow it to cool, and
drain the fuel tank.
D.
Start the engine and run it until it shuts off.
E.
Dispose of fuel properly. Recycle the fuel
according to local codes.
Servicing the Air
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