Husqvarna ZTH5223 Workshop Manual page 41

4. Using a 9/16" socket on the bolt of the
idler pulley, loosen the deck belt. Roll the
belt off the deck pulleys.
5. Roll the belt off the clutch pulley on the
crankshaft.
6. Remove the old belt.
7. Fitting the new belt is the reverse of the
procedure given above. Ensure that belt
routing is as per the accompanying
diagram.
8. Check that the belt is not twisted and that
it runs correctly around all the pulleys.
Belt Tensioning Assembly
The belt is automatically tensioned by a
spring (18). To cancel the force of the spring ,
use a 9/16" socket on the bolt (33) when
removing or fitting the belt.
Check that there is no abnormal noise
indicating that the idler pulley is loose on its
shaft. If it is loose, tighten the bolt (33) or
change the idler pulley.
Check that the idler arm is not loose on its
bearing. If it is, tighten the nut (34) or change
the bushing (38).
REPAIRS
Belt routing for the mower deck
Belt tensioning assembly
8011-580
8011-617
39
English-