Husqvarna 143R-II - Manual (Page 14)

ASSEMBLY
14 – English
Fitting the guard extension
CAUTION! The guard extension shall always be fitted
when using the trimmer head/plastic blades and
combination guard. The guard extension shall always be
removed when using the grass blade and combination
guard.
Hook the blade guard/combination guard (A) onto the
fitting on the shaft and secure with the bolt.
Enter the guard extension guide in the slot of the
combination guard. Then click the guard extension into
position on the guard with the four quick-fasteners.
The guard extension is removed easily using a
screwdriver, see illustration.
Fitting a blade guard, grass blade and
grass cutter
• Hook the blade guard/combination guard (A) onto the
fitting on the shaft and secure with the bolt (L). Use the
recommended blade guard. See the Technical data
section. CAUTION! Ensure that the guard extension is
removed.
• Fit the drive disc (B) on the output shaft.
• Turn the blade shaft until one of the holes in the drive
disc aligns with the corresponding hole in the gear
housing.
• Insert the locking pin (C) in the hole to lock the shaft.
• Place the blade (D), support cup (E) and support
flange (F) on the output shaft.
• Fit the nut (G). The nut must be tightened to a torque
of 35-50 Nm (3.5-5 kpm). Use the socket spanner in
the tool kit. Hold the shaft of the spanner as close to
the blade guard as possible. To tighten the nut, turn
the spanner in the opposite direction to the direction
of rotation (Caution! left-hand thread).
Fitting the trimmer guard and trimmer
head
• Fit the correct trimmer guard (A) for use with the
trimmer head. CAUTION! Ensure that the guard
extension is fitted.
• Hook the trimmer guard/combination guard onto the
fitting on the shaft and secure with the bolt (L).
• Fit the drive disc (B) on the output shaft.
• Turn the blade shaft until one of the holes in the drive
disc aligns with the corresponding hole in the gear
housing.
A
G
E
D
F
B
C
B
A
M
L
H
A
L
C
M