Husqvarna 131R Workshop Manual page 6

a) Make sure the stop on the carburettor throttle
cam touches the throttle stop correctly.
b) Make sure the cable position keeps 1-2 mm
between cable lug (F) and slot fitting when the
throttle trigger is fully pushed.
1-2mm
9. When the throttle cable (A) is adjusted correctly,
tighten the locknut (G).
10. Connect the stop switch wires (H) with the
connectors from the engine.
H
11. Install the air filter cover.
3.1.5 To install the blade guard, grass blade and
grass cutter
CAUTION: Only use the approved guard for the
blades. See the operator's manual.
CAUTION: Make sure that the guard extension
is removed.
1. Attach the blade guard/cutting attachment guard (A)
onto the shaft and tighten with the bolt (L).
L
2. Install the drive disc (B) on the output shaft.
6 - Prepare and do servicing on the
product
H
A
C
A
3. Turn the output shaft until one of the holes in the
drive disc aligns with the related hole in the gear
housing.
4. Put the locking pin (C) in the hole to lock the shaft.
5. Put the blade (D), support flange (G) and the
support cup (F) on the output shaft.
6. Put the cup washer (F) on the output shaft with the
not flat side against the blade.
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).
A
Note: Left hand thread.
3.1.6 To install blades and trimmer heads
WARNING: Only use the approved guard for the
blades, see the operator's manual. 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.
B
E
F
G
D
C
B
675 - 002 - 23.04.2018