GB-4
ATTENTION !
- Do always act in accordance with
the applicable safety instructions and apply all
required safety measures. The trimmer may only
be used to cut grass or smaller weeds. It is ex-
plicitly forbidden to cut any other kind of material.
Do not use the trimmer as a lever to lift, remove
or crush objects; do also not fix it to rigid holding
devices. It is forbidden to mount any devices or
supplements to the trimmer’s drive unit that are
not explicitly released for that purpose by the
manufacturer.
ASSEMBLY OF THE PROTECTION COVER
Mount the protection shield extension as shown in Fig. 4
using the 3 included screws nuts and washers.
ATTENTION : When operating the device in
connection with the nylon line cutting head, the
plastic protection cover must always be installed
to cut the nylon cutting line to the correct length
and to protect the operator.
When the device is operated with a metal cutting
blade, it should be removed.
ASSEMBLY OF THE NYLON LINE CUTTING HEAD
1. Remove the split pin from the end of the drive shaft
(Fig. 6).
2. Insert an Allen key into the hole on the side of the
lower retaining flange to prevent the gear from turn
-
ing. Use the included wrench to unscrew the nut turn-
ing it clockwise.
3. Remove the upper retaining flange.
Make sure to keep the nut, split pin and upper
retaining flange. These parts will be required to
mount the metal blade!
4. Screw the cutting head onto the thread by turning it
anticlockwise and fasten it hand-tight (Fig. 5).
Please make sure that the line spool is properly
seated in the spool housing, the spring is located
under the line spool, and the line ends are led to the
outside through both eyelets.
ASSEMBLY OF THE METAL CUTTING BLADE
ATTENTION ! - Do not use the device if the cutting
blade is deformed or the cutting teeth are defec-
tive or even lost. Replace defective cutting blades
immediately!
ATTENTION ! - Never operate devices with cutting
blade without a properly installed metal cutting
blade protector. Do not operate the device with a
defective blade protector.
ATTENTION ! - Always wear rugged protection
gloves when working on the cutting blade.
1. Remove the split pin from the end of the drive shaft
(Abb. 6).
2. Insert an Allen key into the hole on the side of the
lower retaining flange to prevent the gear from turn
-
ing. Use the included wrench to unscrew the nut turn-
ing it clockwise.
3. Remove the upper retaining flange.
4. Mount the blade as shown in Fig. 8. Put the flange
with its flat surface onto the cutting blade (Fig. 8).
5. Use the included wrench to tighten the nut turning it
anticlockwise.
6. Secure the screw with the split pin again (Fig. 9).
7. Make sure to unblock the gear again by removing the
Allen key from the bore on the side of the retaining
flange.
8. To exchange the line cutting head with the metal
blade please proceed as follows:
Insert an Allen key into the hole on the side of the
lower retaining flange to prevent the gear from turn
-
ing (Fig. 5). Manually unscrew the line cutting head
clockwise. Proceed as described in points 4-6.
ASSEMBLY OF THE SHAFT COUPLING
(Fig. 10–12)
Attention: Switch off the device before mounting
the attachment. DANGER OF INJURY !
Note:
To facilitate mounting and dismounting the attach-
ment put the tool on the ground or a workbench.
1. Loosen the knob (A) by turning it anticlockwise (Fig.
10).
2. Hold the attachment (B) and push it straightly into the
quick-change coupling (C) until the release button (D)
engages into the corresponding hole (E) of the coupling
(Fig. 10+11).
3. Turn the knob (A) clockwise to tighten it (Fig. 12).
Attention: Before operation, the release button
must have engaged into the hole of the coupling
and the knob must have been tightened firmly!
Assembly of the shoulder strap
ATTENTION ! - Always use the shoulder strap. At-
tach the strap to the device immediately after start-
ing it whole the engine is idling. Always switch the
engine off first, when you detach the strap.
1. Put the strap on; the strap must lead over your left
shoulder.
2. Hook the snap hook (A) of the shoulder strap into the
bracket provided (B) at the main tube.
3. Adjust the length of the strap such that the cutting
tool is positioned parallel to the ground, when the
strap is put over the shoulder. Determine the correct
adjustment for the respectively installed cutting tool by
performing some test swings with the engine switched
off.
NOTE :
Never start the engine with the shoulder strap
hang up.
FUEL AND OIL
FUEL
For a maximum performance of your trimmer, use
regular petrol (two-star, unleaded) mixed with a special
40:1 2-stroke engine oil. Please adhere to the mixing
instructions.
ATTENTION :
Do never use pure fuel without oil. This
will damage the engine and you will loose your warranty
rights. Do not use fuel mixtures that have been stored
for more than 90 days.
ATTENTION :
Only use high-quality 2-stroke mixing
oil for air-cooled engines, mixture ratio 40:1.
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