AL-KO BC 4125 II-S, User Instructions

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Safety instructions
440 248_a 17
Before leaving the equipment unattended:
Turn the engine off
Wait for the cutting unit to stop
Do not leave the appliance unsupervised.
Children and other persons who are unfami-
liar with the operating instructions must not
operate the machine
Before use, check that all screws, bolts and
nuts on the device are tight.
Insert the blade guard for ever, before they
transport the device or the knife or store.
ASSEMBLY
CAUTION!
The machine must not be put in opera-
tion before it has been assembled com-
pletely.
Mounting the “Bike” grip
see Figure 2
1. Place the rubber sleeve (3) over the shaft.
2. Fasten the lower brace (2) and the center
piece
(4)
using the four Allen screws
(1)
.
3. Place the grip rod (5) into the grip holder and
fasten with the upper brace (6) and the four
Allen screws
(7)
.
Mounting the guard
see Figure 3
1. Place the metal plate (2) under the guard (3) .
2. Fasten to the support bar with 4 screws (1) .
ADVICE
The cutter integrated into the guard au-
tomatically shortens the cutting string to
the optimal length.
Mounting the cutting blade
see Figure 4
1. Remove the smaller half shield from the
guard.
2. Remove the cotter pin (8) and flange (5) .
3. Place the cutting blade (4) on the drive plate
(2) in such a way that the hole in the cutting
blade is exactly aligned with the guide circle
of the drive plate.
4. Push the flange (5) onto the cutting blade so
that the flat side faces the cutting blade.
5. Secure the clamping nut (7) on the guide pin
(1) . To do this, insert the Allen key (3) into the
hole provided and tighten.
➯
Caution: left-hand thread!
6. Secure the nut with the cotter pin.
Mounting the string head
see Figure 5
1. Remove the cotter pin and flange.
2. Insert an Allen key
(3) into the hole in the drive
plate (2) and screw the string head (4) onto
the guide pin of the drive shaft (1) .
➯
Caution: left-hand thread!
3. Lock the drive plate with the Allen key in order
to mount the string head.
Mounting the rail
see fig. 11
1. Release the lock nut (a -1) and pull out the
splint (a -2) slightly.
2. Insert the lower rail with the protective cover
(a -3) in the upper rail.
➯
Insert guide groove on the splint side.
3. Release the splint again (b -1) and secure the
lower rail with the lock nut (b -2) .
Detaching the rail
see fig. 11
1. Release the lock nut (c -1) and pull out the
splint (c -2) slightly.
2. Pull the lower rail with the protective cover
(d
-1) out of the upper rail.
➯
The Motorsense is now more compact
for storage.
Adjusting the shoulder strap
1. Push the shoulder strap over the left shoulder.
2. Hook the locking hooks into the eyelet.
3. Check the length of the shoulder strap by ma-
king a number of swinging movements wi-
thout switching on the engine.
The string head or cutting blade must
move parallel to the ground.
CAUTION!
Always use the shoulder strap when
working with the device. Only hook up
the shoulder strap once the engine is
started and idling.