Unpacking and Assembly
Unpacking
What's in the boxes?
The string trimmer requires assembly before
use. These items ship with the string trimmer:
• Powerhead
• Front trimmer handle
• Drive tube assembly
• Harness loop
• String trimmer attachment assembly
• Combination tool with blocking pin
Remove the string trimmer assemblies from
each box and inspect them carefully to ensure
no damage has occurred during shipping and
that no parts are missing. If any parts are
damaged or missing, do not use the string
trimmer. Contact Oregon
obtain replacement parts at 888.313.8665.
Assembly
Place tool assemblies on a workbench.
1 Loosen the harness loop screw (1) and
slide onto the motor housing end of the
drive tube Wait until fully assembled to
tighten the screw
2 Remove the powerhead locking screw/
washer on the bottom of the powerhead (2)
String Trimmer Model ST120VX-NA
Unpacking and Assembly
Customer Service to
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2
3 Loosen the recessed control handle clamp
screws (3) and the powerhead clamp
screws (4) Insert the motor housing end of
the drive tube through the control handle
and into powerhead clamp until it is firmly
seated in the powerhead (5)
5
4 Rotate the drive tube to locate and align to
the hole in the powerhead Insert the
powerhead locking screw/washer (2) and
tighten to 60 inch-pounds with the included
combination tool
WARNING:
To reduce risk of injury, the
locking screw must be in place and tightened
properly.
5 Tighten the powerhead clamp screws
to 60 inch-pounds with the included
combination tool
6 Position the control handle so that the
throttle cable is taut (6) Align the control
handle to center the battery indicator over
the drive tube and tighten the recessed
clamp screws to 45 inch-pounds
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3
2
6
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