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Turn the trimmer over so that the gear 1.
case output shaft faces UP.
Remove and discard the black plastic 2.
protective cap from the output shaft.
Rotate the holder until the hole in the 3.
holder aligns with the notch on the
gear case. Use the long end of the hex
wrench to lock the holder and output
shaft.
While holding the hex wrench, thread 4.
the trimmer head onto the output shaft,
turning counter-clockwise. Using hand
pressure only, tighten the trimmer head
firmly on the output shaft.
Remove the hex wrench.5.
Adjust the trimmer line length to reach no 6.
further than the line cutter on the cut-
ting attachment shield. Trim to the cor-
rect length if necessary.
Holder
Output
shaft
Retaining Plug
Hex Wrench
4-6 mm (3/16”-
1/4”)Throttle Free
Play
Throttle Lever Free Play
Hand-tighten
trimmer head
Securely tighten the trimmer head into the
gearcase shaft
IMPORTANT
To install a trimmer head onto a TX
unit, first remove the shaft bolt and
bolt guard.
IMPORTANT!
The trimmer head has a left-hand thread.
For removal turn the trimmer head
clockwise.
The unit should now be
completely assembled and ready
for use with a trimmer head.
Install trimmer head
WARNING!
A standard grass trimmer
with a loop handle should NEVER
be operated with blade-type attach-
ments. For blade use, the trimmer
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dlebar or a barrier bar that is located
in front of the operator to reduce the
risk of the operator from coming in
contact with the cutting attachment
(per ANSI B175.3). When using a
blade, the unit must also be equipped
with a harness or strap.
Remove air cleaner cover
Lock Nut
Cable
Adjuster
Adjust as required for 4-6 mm free play
8
Assembly (continued)
Adjust throttle lever free play
The throttle lever free play should be
approximately 4 - 6 mm (3/16” - 1/4”).
Make sure that the throttle lever oper-
ates smoothly without binding. If it
becomes necessary to adjust the lever
free play, follow the procedures and illus-
trations that follow.
Loosen the air cleaner cover knob(s) 1.
and remove the air cleaner cover.
Loosen the lock nut on the cable 2.
adjuster. Turn the cable adjuster in or
out as required to obtain proper free
play 4 - 6 mm.
Tighten the locknut.3.
Reinstall the air cleaner cover.4.