Husqvarna DS 500 Operator's Manual page 21

4. If it is necessary, adjust the bottom plate. Use the
level adjustment screws to adjust the bottom plate to
the surface.
To attach the expander bolt
1. Drill a hole for the expander bolt. Make sure that the
depth is sufficient. The socket must be put below the
surface.
922 - 002 - 06.03.2019
2. Use the mandrel and a hammer to install the
expander.
3. Install the anchor screw.
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