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10
MAINTENANCE AND REPAIR
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.
TINE REMOVAL AND REPLACEMENT
NOTE: All installation instructions are explained from the operating
position.
All 4 tines should be replaced at the same time because they will
wear evenly through normal use. Work on one side at a time.
1. Stop the engine and allow it to cool. Grasp the spark plug wire
firmly and pull the cap from the spark plug.
2. Lay the cultivator back on a flat level surface with the handles
touching the ground so that the cultivator is in a horizontal position.
NOTE: It may be necessary to wash any dirt off the tines and shaft
for easier tine removal.
3. Remove the click pins from each end of the tine shaft (Fig. 8).
Slide the tines off of the shaft.
4. Clean and oil the shaft.
5. Slide on the new tines with the hubs facing in towards each
other (Fig. 8).
NOTE: Each tine has a convex side. Make sure that all of the
convex sides are facing as shown in Figure 8.
6. Secure the new tines to the shaft with click pins (Fig. 8).
7. Reconnect the spark plug wire.
WARNING: To prevent serious personal injury, always
wear heavy gloves when handling the tines.
Fig. 8
Convex
Side
Direction of Convex Sides
Click Pin
Click Pin
Hubs
Hubs
FREQUENCY MAINTENANCE REQUIRED
Every 10 hours Clean and re-oil the air filter. Refer to
Maintaining the Air Filter.
Every 25 hours Check the spark plug condition and gap. Refer
to Maintaining the Spark Plug.