Husqvarna 143R-II Operator's Manual page 13

a) Make sure that you operate the socket wrench in
the identified area when you loosen or tighten the
saw blade nut.
To attach a blade guard, grass blade and
grass cutter
CAUTION: Make sure that the guard
extension is removed.
Note: Use the recommended blade guard. Refer to
Accessories on page 27 .
1. Install the blade guard to the shaft. Attach the blade
guard with the bolt (L).
A
2. Attach the drive disc (B) to the output shaft.
3. Turn the output shaft until 1 of the holes in the drive
disc aligns with the hole in the gear housing.
1334 - 002 - 14.01.2020
G
E
D
L
A
4. Put the locking pin or hex key (C) into the hole to
lock the shaft.
5. Put the blade (D), support flange (E) and support
cup (F) on the output shaft.
6. Install the nut (G). Use the combination wrench and
tighten the nut to torque 35-50 Nm. Hold the shaft of
the combination wrench as near the blade guard as
possible.
7. To tighten the nut, turn the combination wrench in
the opposite direction to the direction of rotation.
Note: Left hand thread.
To attach the trimmer guard and the trimmer
head
Note: Make sure to use the correct trimmer guard for the
correct trimmer head.
1. Attach the correct trimmer guard/combination guard
(A) for the trimmer head.
2. Hang the trimmer guard/combination guard (A) on
the 2 hooks on the plate holder (M).
3. Install the trimmer guard/combination guard around
the shaft and tighten it with the bolt (L). Use the
locking pin or hex key (C).
F
M
B
C
4. Put the locking pin or hex key (C) in the groove on
the screw head and tighten.
5. Attach the drive disc (B) and support flange (E) on
the output shaft.
6. Turn the output shaft until one of the holes in the
drive disc aligns with the hole in the gear housing.
H
L
E
C
B
A
A
M
L
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