8. Tighten the nut with the socket wrench. Hold the
shaft of the socket wrench near the blade guard.
Tighten in the opposite direction to how the cutting
attachment rotates. Tighten it to a torque of 35-50
Nm.
To assemble and disassemble the cutting
attachment guard and trimmer head
CAUTION:
Make sure that the guard
extension is attached.
1. Attach the correct cutting attachment guard (A) for
Accessories on page 27
.
2. Put the cutting attachment guard onto the fitting on
the shaft.
3. Attach the cutting attachment guard with the bolt.
4. Install the drive disc (B) on the output shaft.
5. Turn the output shaft until one of the holes in the
drive disc aligns with the related hole in the gear
housing.
6. Put the locking pin (C) in the hole to lock the shaft.
A
H
M
L
A
M
C
L
C
7. Turn the trimmer head /plastic blades (H) in the
opposite direction from which the trimmer head/
plastic blades rotate.
H
H
8. To disassemble, follow the instructions in the
opposite sequence.
To install the transport guard
1. Install the blade in the transport guard (A).
2. Put the two fasteners (B) into the slots (C) to attach
the transport guard.
B
A
C
To adjust the backplate height
1. Loosen the 2 fasteners that hold the backplate.
14
1104 - 009 - 19.05.2022
Summary of Contents for 553RBX
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