11
ASSEMBLY
Fig. 1
Knob
Tighten
Loosen
Fig. 3
Fig. 2
Coupler
Attachment
Release Button
Guide Recess
Primary Hole
INSTALLING AND REMOVING THE ATTACHMENT 
The coupler enables the use of various optional attachments. 
Installing the Attachment 
1. Remove the hanger cap from the attachment. Keep the hanger 
cap for use when storing the attachment. If present, remove the 
gray spacer from the coupler. 
2. Set the unit on a flat, level surface. 
3. Turn the knob counterclockwise to loosen the coupler (Fig. 1). 
4. Align the release button with the guide recess (Fig. 3). 
5. Push the attachment straight into the coupler (Fig. 2) until the 
release button snaps firmly into the primary hole (Fig. 3). 
6. Turn the knob clockwise to tighten the coupler (Fig. 1). 
Removing the Attachment 
1. Set the unit on a flat, level surface. 
2. Turn the knob counterclockwise to loosen the coupler (Fig. 1). 
3. Press and hold the release button (Fig. 3). 
4. Pull the attachment straight out of the coupler (Fig. 2).
WARNING:
 Before operating the unit, make sure the 
release button is fully snapped into the primary hole and the 
knob is securely tightened.
WARNING:
 Unless specified otherwise, the release 
button should be snapped into the primary hole only. Using 
the wrong hole could lead to personal injury or damage to 
the unit.
WARNING:
 Before using any attachment, read and 
understand the manual that came with the attachment. 
Follow all safety information contained within.
WARNING:
 To avoid serious personal injury and 
damage to the unit, shut the unit off before removing or 
installing an attachment.
WARNING:
 To avoid serious personal injury and 
damage to the unit, NEVER install more than one extension 
boom to a power tool.
WARNING:
 Only use the extention boom with the pole 
saw attachment. To avoid serious personal injury and 
damage to the unit, NEVER use the extension boom with 
any other attachment.