Husqvarna 131RB Operator's Manual page 10

7. Install the nut (E). Hold the shaft of the wrench near
the blade guard as much as possible. To tighten the
nut, you must turn the wrench in the opposite
direction of rotation. Tighten the nut to a torque of
35-50 Nm (3.5-5 kpm).
F
D
A
C
Note: Left hand thread.
To install blades and trimmer heads
WARNING: Only use the approved guard for
the blades. See
20 . A defective guard can cause injury.
WARNING: If you operate the product with a
grass blade, first install the correct
handlebar, blade guard and harness .
WARNING: If you do not install the the
blades correctly, it can cause injury.
1. Make sure that the lifted section on the drive disc/
support flange engages correctly in the center hole
of the blades.
2. Install the blades.
10
E
G
B
ACCESSORIES on page
To attach the trimmer guard and the trimmer
head
1. Attach the guard (A) to the shaft with the bolts (L).
Make sure to use the correct guard for the correct
trimmer head.
L
2. Attach the drive disc (B) and support flange (G) to
the output shaft.
C
A
3. Turn the output shaft until the hole in the drive disc
aligns with the hole in the gear housing.
4. Put the locking pin (C) in the hole to lock the shaft.
5. Turn the trimmer head (H) counterclockwise.
6. To disassemble, do the reverse procedure.
A
C
A
H
G
B
H
537 - 005 - 23.05.2018
B