Husqvarna DT22B5DSA Operator's Manual page 21

Wear/Replacing delta blades
Over time and due to wear, the blades will diminish
in length. Once the blades have worn down by about
3/4", the overall length of the blade at the longest
point of the blade will be about 2 1/2", and it will be
necessary to replace the blades.
It is possible to replace delta blades without
Wear/Replacing spring tines
Over time and due to wear, the tines will diminish
in length. When the tines can no longer be adjusted
to comb 1/4" into the soil, the tines must be
replaced.
Spring tines can be replaced without removing the
MAINTENANCE
removing the rotor shaft. Remove the delta blade
by removing the two screws with nuts holding the
blade in place.
Turn the new blade until it is properly aligned; see
illustration.
Screws
rotor shaft by using a 1/2" socket wrench. Remove
the screw and replace the spring tine using the
wrench. Fit the new spring tine before removing
the tine on the opposite side.
Delta Blade
Washers
Nuts
Spring
Tine
Screw
21