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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" (¢_3.0mm) Length: 6.5 ft (2 m)
Cord diameter: 3/22" (_b2.4mm) Length: 13ft (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.
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