Maintenance - DeWalt DXGST227BC Operator's Manual

WARNING:
To avoid serious personal injury, always stop
the engine and allow it to cool before cleaning or maintaining
the unit. Never perform cleaning or maintenance while the
unit is running. Disconnect the spark plug wire to prevent
the unit from starting accidentally.
WARNING:
Wear protective clothing and observe all
safety instructions to prevent serious personal injury.
MAINTAINING THE BLADE
WARNING:
Do not sharpen the blade. Sharpening the
blade can cause the blade tip to break off while in use.
This can result in severe personal injury.
The blade has a second cutting edge. If the blade becomes dull,
remove the blade, turn it upside down and reinstall the blade. If both
sides are dull, replace the blade. Refer to Replacing the Blade.
REPLACING THE BLADE
WARNING:
To avoid serious personal injury, always
wear gloves when handling the blade.
WARNING:
To avoid serious personal injury or damage
to the unit, do not start or operate the unit with the locking
rod inserted into the locking rod slot.
Removing the Blade
1. Rotate the blade (Fig. 16) until the shaft bushing hole aligns with
the locking rod slot (Fig. 14).
2. Insert the locking rod through the locking rod slot and into the
shaft bushing hole (Fig. 14).
3. Hold the locking rod in place by grasping the other end against
the shaft housing (Fig. 15).
4. While holding the locking rod in place, unscrew the nut by turning
it clockwise with a wrench (Fig. 15).
5. Remove the locking rod (Fig. 16).
6. Remove the blade retainer and blade (Fig. 16).

MAINTENANCE

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 authorized service dealer. Call 1-855-971-1123 for more
information.
NOTE: Maintenance, replacement, or repair of the emission control
devices and system may be performed by an authorized service
dealer. Call 1-855-971-1123 for more information.
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.
FREQUENCY
Every 10 hours
After the first
10 hours, at 50
hours, and at
100 hours
Shaft Bushing Hole
Locking Rod Slot
Locking Rod
13
MAINTENANCE REQUIRED
• Clean and re-oil the air filter. Refer to
Maintaining the Air Filter.
• Check the spark plug condition and gap.
Refer to Maintaining the Spark Plug.
Fig. 14
Output Shaft
Bushing