SWAPPING THE CUTTING HEADS
WARNING:
To avoid serious personal injury and
damage to the unit, shut the unit off before removing or
installing a cutting head.
NOTE: The cutting head base will remain attached to the unit.
Removing the Bump Head
1. Set the unit on a flat, level surface.
2. Disconnect the bump head from the cutting head base: Firmly
press a tab on the bump head (Fig. 10). Use your thumb. If
necessary, use a flat-head screwdriver:
a. Insert a flat-head screwdriver into the notch on the tab (Fig. 11).
b. Gently tilt the screwdriver up and hold it in place (Fig. 11).
c. While holding the screwdriver in place, gently twist the
screwdriver to unlock the tab from the tab slot (Fig. 10).
3. Remove the bump head from the cutting head base. DO NOT
disassemble or remove any other parts on the bump head or
cutting head base.
Installing the Aero-Flex® Head
1. Set the unit on a flat, level surface.
2. Install all four line blades. Refer to Replacing the Line Blades in
the Maintenance section.
3. Align the tabs on the cutting head cap with the tab slots on the
cutting head base (Fig. 12). Push the cutting head cap onto the
cutting head base until both tabs snap into place.
Bump Head
Cutting
Head Base
Tab
Notch
9
Clip
Shoulder Strap
/ Harness Loop
Fig. 8
Buckle
Strap
Fig. 9
Bump Head
Tab
Tab Slot
Fig. 10
Fig. 11