English
Specifications
Type of
Direction of
Size of
Code No. attaching
rotation
attaching
screw
screw
Female
M10xP1.25-
6696454
Counterclockwise
screw
LH
Female
M8xP1.25-
6696597
Clockwise
screw
RH
Applicable
nylon cord
Cord diameter: 1/8" (¢_3.0 mm) Length: 6.5 ft (2 m)
Cord diameter: 3/22" (_b2.4 mm) Length: 13 ft (4 m)
2. Precautions
O The case must be securely attached to the cover.
O Check the cover, case and other components
for
cracks or other damage.
O Check the case and button for wear.
If the wear limit mark (17) on the case is no longer
visible or there is a hole in the bottom (18) of the
button, change the new parts immediately.
(Fig.
14)
17
18
Fig. 15
For curved shaft models, the mounting nut is right-
hand-threaded.
Turn counterclockwise to loosen/
clockwise to tighten.
NOTE
© Since the cutter holder cap is not used here, keep
it for when a metal blade is used, if so equipped.
© Insert Allen wrench (19) into the hole of the gear
case in order to lock the cutter holder.
4.
©
Adjusting line length
Set the engine speed as low as possible and tap
the head on the ground. The nylon line will be
drawn out about 1-3/16" (3 cm) with each tap.
(Fig. 16)
Fig. 14
O The cutting head must be securely mounted to
the unit's gear case.
O For
outstanding
performance
and
reliability,
always
use Hitachi
nylon cutting
line. Never
use wire or other materials that could become a
dangerous projectile.
O If the cutting
head does
not feed cutting
line
properly,
check
that
the nylon
line and
all
components
are properly installed.
Contact your
Hitachi dealer if you need assistance.
3. Installation (Fig. 15)
O Install
cutting
head
on gear
case
of grass
trimmers/brush
cutters.
The
mounting
nut is
left-hand-threaded.
Turn
clockwise
to loosen/
counterclockwise
to tighten.
10
Fig. 16
Also, you can extend the nylon line by hand but
the engine must be completely
stopped. (Fig. 17)
Fig. 17
© Adjust
the
nylon
line
to the
proper
length
of 4-11/32"--5-1/2"
(11-14)
cm
before
each
operation.