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NEVER operate the unit with the cut-
ting attachment shield or other protective
devices removed!
WARNING!
A cutting attachment shield or other
protective device is no guarantee of
protection against ricochet. YOU MUST
ALWAYS GUARD AGAINST FLYING
DEBRIS!
Use only authorized Shindaiwa parts and
accessories with your Shindaiwa trimmer.
Edging
Tilt the handle about
100° to the left
(from horizontal)
and move forward,
holding the trimmer
vertically as shown
in Figure 25.
Your Shindaiwa unit may be equipped with
one of several Shindaiwa trimmer head mod-
els, each with features for specific applica-
tions and/or operational requirements.
Cutting Grass—Units equipped with a trimmer head
CAUTION!
Operation at low RPM can lead to
premature clutch failure
.
Trimming
and Mowing
Grass
Figure 24
Checking Unit Condition
Shoulder Strap C3410
Figure 23
CAUTION!
Operation of trimmer without a cutting at-
tachment shield and using excessive line
length can lead to premature clutch failure
.
Do not make modifications to this unit with-
out written approval from Shindaiwa, Inc.
ALWAYS make sure the cutting attachment
is properly installed and rmly tightened
before operation.
NEVER use a cracked or warped cutting at-
tachment: replace it with a serviceable one.
ALWAYS make sure the cutting attachment
ts properly into the appropriate attachment
holder. If a properly installed attachment
vibrates, replace the attachment with new
one and re-check.
ALWAYS stop the engine immediately and
check for damage if you strike a foreign
object or if the unit becomes tangled. Do not
operate with broken or damaged equipment.
NEVER allow the engine to run at high
RPM without a load. Doing so could dam-
age the engine.
NEVER operate a unit with worn or dam-
aged fasteners or attachment holders.
WARNING!
Always wear a shoulder strap or
harness when operating this unit. Using
a harness with a brushcutter allows you
to maintain proper control of the unit and
reduces fatigue during extended operation.
Figure 25
IMPORTANT!
Adjust the shoulder strap so the shoulder pad
rests comfortably on the off-side shoulder and
the cutting path of the cutting attachment
is parallel to the ground. Make sure all
hooks and adjustment devices are secure.
Double Shoulder Harness
(optional accessory)
Adjust the double shoulder harness straps
so the shoulder pads rest comfortably on
the shoulders and the cutting path of the
blade is parallel to the ground. Make sure
all hooks and adjusting devices are secure.
B45045
Part number:
72451-17203
Hold the trimmer so the trimmer head is
angled slightly into the area to be cut. To
ensure maximum trimmer-line service life,
cut only with the tip of the trimmer line.
Cut grass by swinging the trimmer from
left to right. Keep the trimmer head hori-
zontal. See Figure 24.
CUTTING
PATH
RETURN
PATH
Shoulder strap
required for use
with Brushcutters
CAUTION!
Do not push the rotating line into
trees, wire fences or any material that
could tangle or break line ends.
NOTE:
Additional hardware may be required to mount
the Fixed Line or the Flail type trimmer heads.
Engine Operating Speeds
Operate the unit at full throttle while cut-
ting grass.
NOTE:
For proper operation, always refer to the instruc-
tions accompanying the trimmer head being
used. Available trimmer head styles include:
n Semi-automatic. Trimmer line is in-
dexed when the operator taps the trimmer
head on the ground during operation.
n Manual. The operator indexes line manu-
ally with the grass trimmer stopped.
n
Fixed. The operator must stop the unit and
add new lengths of trimmer line manually.
n Flail. This device, designed for clearing
weeds and light brush, features three ny-
lon blades attached to the head by pivots.