Husqvarna P 524XR EFI Operator's Manual page 63

3. Remove the 2 belt protection covers.
4. Loosen the 3 screws (A) on the pump belt slide.
A
B
C
5. Loosen the locknut (B) on the adjustment screw.
6. Turn the adjustment screw (C) for the pump belt until
the belt has the correct tension.
7. Assemble in opposite sequence.
1929 - 003 - 05.12.2023 63