Husqvarna PP440HF, Workshop Manual, Page: 78 / 165

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10.2 REPAIR INSTRUCTIONS
1
5
3
2
4
6
Inspect the Clutch
1� Remove the blade motor shaft by
pulling it out by hand�
2� Tap the shaft against a table to
remove the three pins�
3� Place the pivoting arm in the
Special Tool nr: 522 90 84-01�
4� Grease the three pins and insert
them in the grooves� Then place
a 16mm socket over the shaft and
pins�
5� Use a torque wrench to see at
what torque the arm is slipping�
For a WS482 in 2:nd gear, the
toque value should be 70-85Nm,
recorded while the clutch is
slipping�
For a WS482 in 1:st gear the value
is about 10 Nm lower�
Test in both directions�
6� To check the slip clutch for a
WS440 attach the special tool 523
05 78-01 to the torque wrench�
A WS440 should slip at 70-85Nm�
Test in both directions�
First see: Detach Arm/Housing (p.
77)
WS482 WS482
WS482
WS482 WS440
Note: Preferably use a dial torque
wrench. A click type torque wrench
will measure the top valve for the
slip and not the torque in motion.