Ryobi RY40020 - Manual (Page 9)

7 — English
ASSEMBLY
WARNING:
Failure to secure the string trimmer/edger attachment and
power head as instructed above could result in serious
personal injury.
REMOVING THE ATTACHMENT FROM THE
POWER HEAD
 Remove the battery pack.
 Turn the coupler counterclockwise to unlock. Then remove
the trimmer shaft from the power head.
ATTACHING GRASS DEFLECTOR
See Figures 4 and 5.
WARNING:
The line cut-off blade on the grass deflector is sharp.
Avoid contact with the blade. Failure to avoid contact
can result in serious personal injury.
 Remove the battery pack.
 Remove the plastic hardware bag from the grass deflector.
 Fit the grass deflector into the slots on trimmer head.
 Line up the screw holes in the grass deflector with the
holes in the motor housing.
 Install supplied screws and tighten by turning clockwise
with a phillips screwdriver.
WARNING:
To prevent accidental starting that could cause serious
personal injury, always remove the battery pack from the
product when assembling parts.
TOOLS NEEDED
See Figure 2.
The following tool (not included or drawn to scale) is needed
for assembly:

Phillips screwdriver
CONNECTING THE POWER HEAD TO THE
ATTACHMENT
See Figure 3.
WARNING:
Never install, remove, or adjust any attachment while
power head is running or with the battery pack installed.
Failure to stop the motor can cause serious personal injury.
The attachment connects to the power head by means of
a coupler device.

Remove the battery pack if installed.
 Insert the plug on the string trimmer/edger attachment
into the opening on the power head coupler. Make sure
the plug is fully seated.
 Slide the threaded coupler on the power head onto the
threaded base on the attachment and turn the coupler
clockwise. Tighten securely.
NOTE: Once assembled correctly, the string trimmer/edger
attachment and power head should not separate when pulled.
Repeat above steps if pieces can be separated.