Assembly - Husqvarna 531RB Operator's Manual

Introduction
WARNING: Before you assemble the
product, you must read and understand the
safety chapter.
WARNING: Remove the spark plug cable
from the spark plug before you assemble the
product.
To assemble the cutting equipment
The cutting equipment includes a cutting attachment and
a cutting attachment guard.
WARNING: Use protective gloves.
WARNING: Always use the cutting
attachment guard that is recommended for
the cutting attachment. See
page 25 .
WARNING: An incorrectly attached cutting
attachment can result in injury or death.
To assemble the flexible drive shaft
1. Remove the screw at the shaft coupling. (Fig. 29)
2. Put the flexible drive shaft through the loops at the
wire harness.
3. Turn and push the flexible drive shaft at the same
time to connect it.
4. Tighten the 2 screws.
5. Assemble the drive shaft sleeve in the clutch cover.
Turn and push the drive shaft at the same time to
connect it. (Fig. 30)
6. Make sure that the locking pin goes back to its initial
position.
To connect the throttle cable and the stop
switch wires
1. Open the cover.
2. Connect the throttle wire from the wire harness (A)
and the throttle wire (B) from the engine in the cover.
(Fig. 31)
3. Close the cover.
4. Connect the stop switch wires into the related
connectors from the engine. (Fig. 32)
16

Assembly

5. Attach the stop switch wires with the clamp.
To examine the play of the throttle cable
1. Stop the product.
2. Pull the throttle cable lightly to examine the play of
3. Make sure that the play is 1-2 mm.
4. If the play is less than 1 mm or more than 2 mm,
To attach the loop handle
1. Put the loop handle on the shaft. (Fig. 33) (Fig. 34)
2. Attach the loop handle with the nut and the screw.
3. Adjust the position of the handle to an applicable
To assemble the loop handle
Accessories on
1. Put the loop handle on the shaft.
2. Attach the spacer into the slot in the loop handle.
3. Adjust the product to an applicable work position.
4. Tighten the nut and the screw.
To attach the cutting attachment guard
1. Put the cutting attachment guard on the shaft.
2. Attach the cutting attachment guard with 2 screws.
To attach the trimmer head
Note: Turn the trimmer head counterclockwise when
installing.
1. Align the hole on the cover and the groove on the
2. Attach the cover with the screw/screws. (Fig. 38)
3. Put the holder (B) on the output shaft.
4. Turn the output shaft to align one of the holes in the
5. Put the locking pin in the hole to lock the shaft.
Note: Wire polarity is not important.
the throttle cable.
To adjust the play of the throttle cable on
refer to
page 21 .
Do not tighten fully.
work position and tighten the screws fully.
Attach the nut and the screw. Do not tighten fully.
(Fig. 35)
a) If the blade guard is used, make sure it is
attached as shown in the illustration. (Fig. 36)
b) If the trimmer guard is used, make sure that it is
attached between the arrows. (Fig. 37)
gearbox.
holder (B) with the related hole in the gear housing.
CAUTION: Make sure that the trimmer
line can be cut by the knife on the
trimmer guard.
907 - 003 - 23.04.2019