10
6. Repeat steps to attach extension shaft to
coupler on engine end shaft.
7. Before using the unit, tighten both knobs
securely by turning clockwise.
WARNING:
Make sure the locking/
release button is locked in the primary hole of
both couplers and the knobs are securely
tightened before operating the unit. All attach-
ments are designed to be used in the primary
hole unless otherwise stated in the applicable
attachment instruction manual. Using the wrong
hole could lead to serious injury or damage to
the unit.
Locking/Release
Button in Primary Hole
For assembly of optional attachments (see
list on page 13), refer to the ASSEMBLY sec-
tion of the applicable attachment instruction
manual.
SHOULDER STRAP ASSEMBLY
WARNING:
Proper shoulder strap
adjustments must be made with the engine
completely stopped before using unit.
1. Try on shoulder strap and adjust for fit
and balance before starting the engine or
beginning a cutting operation.
2. Insert your right arm and head through
the shoulder strap and allow it to rest on
your left shoulder. Make sure the danger
sign is centered on your back and the
hook is to the right side of your waist.
NOTE:
A one-half twist is built in the shoul-
der strap to allow the strap to rest flat on the
shoulder.
3. Adjust the strap, allowing the hook to be
about 3 -- 6 inches (8 -- 15 cm) below the
waist.
4. Fasten the strap hook to the clamp lo-
cated between the throttle handle and the
assist handle and lift the tool to the oper-
ating position.
NOTE:
It may be necessary to relocate the
shoulder strap clamp on the shaft for proper
balancing of unit.
TO RELOCATE SHOULDER STRAP
CLAMP:
1. Loosen and remove both clamp screws.
2. Place the upper shoulder strap clamp
over the upper shaft.
3. Position the lower shoulder strap clamp
under the upper shaft and align the upper
and lower clamp screw holes.
Upper Shoulder
Strap Clamp
Screws
Lower Shoulder
Strap Clamp
POWERHEAD
END
ATTACHMENT
END
4. Insert two screws into the screw holes.
5. Secure shoulder strap clamp by tighten-
ing screws with a hex wrench.
ADJUSTING THE ASSIST HANDLE
WARNING:
When adjusting the as-
sist handle, be sure it remains between the
coupler and the
lower arrow (closest to
coupler) on the safety label to ensure proper
balancing of unit. When adjusting the assist
handle or handlebar during use of optional at-
tachments, it must be repositioned between
the throttle trigger and the
upper arrow
(closest to engine) on the safety label.
1. Loosen wing nut on handle.
2. Rotate the handle on the shaft to an up-
right position; retighten wing nut.
