Husqvarna FS 524 Operator's Manual page 32

FS 520, FS524:
Blade Shaft Drive Belt Tension:
equipped with a dynamic belt tension device that does not
require any adjustment or maintenance.
Correct tension is preset during production assembly.
However, if replacement of belt or other components are
needed please follow below 6 steps for correct procedure.
Tools Required:
• 13mm Wrench (Included with machine).
• Allen key 6mm (not included with machine).
• 19mm Wrench (Not included with machine).
• Adjustable Wrench (not included with machine).
To release belt tension:
1. Use 13mm wrench (U), to remove three (3) M8 bolts
that attach Belt Guard. Remove Belt Guard.
2. Use the 13mm wrench and allen key to remove nut
and allen screw (securing screw).
3. Use 19mm wrench to slightly loosen the screw that
fix the tension device to the plate.
To set correct tension:
4. Use an Adjustable wrench to turn the base of the
tension device in counter clock wise direction to
set required pre tension.
When angle on tension device shows 30° and the slot
on base of the tension device is aligned with hole in
plate: tighten the fixing screw using a 19mm wrench.
5. Reinstall the allen screw and locking nut by using an
allen key and a 13mm wrench.
6. Reinstall Belt Guard. Use 13mm wrench to tighten
three (3) M8 bolts that fix Belt Guard.
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MAINTENANCE & LUBRICATION
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