11
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the frequency
stated in the table. These procedures should also be a part of any
seasonal tune-up.
NOTE: Some maintenance procedures may require special tools or
skills. If you are unsure about these procedures, take the unit to
an MTD authorized service dealer.
NOTE: Maintenance, replacement, or repair of the emission control
devices and system may be performed by an MTD authorized
service dealer.
NOTE: Please read the California/EPA statement that came with the
unit for a complete listing of terms and coverage for the
emissions control devices, such as the spark arrestor, muffler,
carburetor, etc.
WARNING:
To prevent serious injury, never perform
maintenance or repairs while the unit is running. Always
allow the unit to cool before servicing or repairing the unit.
Disconnect the spark plug wire to prevent the unit from
starting accidentally.
MAINTENANCE
FREQUENCY MAINTENANCE REQUIRED
Every 10 hours • Clean and re-oil the air filter. Refer to
Maintaining the Air Filter.
After the first
10 hours and
at 38 hours
• Change the oil. Refer to Changing the Oil.
• Have the rocker arm clearance checked by
an authorized service dealer.
• Check the spark plug condition and gap.
Refer to Maintaining the Spark Plug.
REPLACING THE TINES
All tines should be replaced at the same time because they will wear
evenly through normal use. Work on one side at a time.
Preparing the Unit for Tine Removal
1. Stop the engine and allow it to cool. Grasp the spark plug wire
firmly and pull the cap from the spark plug.
2. Set the unit on a flat, level surface. Tip the unit back so that the
handles touch the ground and the unit is in a horizontal position.
NOTE: It may be necessary to wash dirt off the tines and tine shaft
before removing the tines.
Removing the Old Tines
1. Remove the cotter pin from the clevis pin (Fig. 11). Remove the
clevis pin from the double tine and tine shaft.
2. Slide the tines off of the tine shaft.
3. Repeat this process for the other side.
WARNING: To prevent serious personal injury, always
wear heavy gloves when handling the tines.
Fig. 11
Clevis Pin
Cotter Pin
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