MTD YARD MACHINERY MCT33360E Manual Del Dueño/Operador página 15

MAINTENANCE AND REPAIR INSTRUCTIONS
SHARPENING THE LINE CUTTING BLADE
1. Remove the line cutting blade from the debris shield
(Fig. 35).
2. Place the blade in a bench vise. Sharpen the blade
using a flat file, being careful to maintain the angle of
cutting edge. File in one direction only.
Debris
Shield
IDLE SPEED ADJUSTMENT
1. Locate the idle adjustment screw on the carburetor
(Fig. 36).
2. Using a screwdriver, turn the screw 1/4 to 1/2 of a
turn clockwise (to the right). The unit should then idle
properly.
Line Cutting
Blade
Fig. 35
Idle Adjustment
Screw
Fig. 36
STORING A UNIT
WARNING:
cause varnish to form in the carburetor; this
may result in difficulty when starting or
permanent damage following storage. This
may void your warranty
1. Perform all the general maintenance recommended in
the Maintenance Section of your operator's manual.
2. Clean the exterior of the engine, drive shaft
assembly, debris shield and stringhead.
4. After fuel is drained, start engine.
5. Run engine at idle until unit stops. This will purge the
carburetor of fuel.
6. Allow the engine to cool (approx. 5 minutes).
7. Using a spark plug wrench, remove the spark plug.
8. Pour 1 teaspoon of clean 2-cycle oil into the
combustion chamber. Pull the starter rope slowly
several times to coat internal components. Replace
the spark plug.
9. Store the unit in a cool, dry place away from any source
of ignition such as an oil burner, water heater, etc.
REMOVING A UNIT FROM STORAGE
1. Remove spark plug.
2. Pull starter rope briskly to clear excess oil from
combustion chamber.
3. Clean and gap spark plug or install a new spark plug
with proper gap.
4. Prepare unit for operation.
5. Fill fuel tank with proper fuel / oil mixture. Refer to
the Oil and Fuel Information section.
Failure to follow
these steps may
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