How do I change blades on Mower
To remove blades doI turn clock or counter clock
How can I keep the blades from turning
When installing new blades

How do I change blades on Mower
to remove blades doI turn clock or counter clock
how can I keep the blades from turning
when installing new blades
Use a block of wood to keep them from turning... they should loosen like a normal bolt... keep all spacers as you made need them when you replace blades.

Remember This

Righty Tighty ///// Lefty Loosey.

Turn To The Right To Tighten,
Turn To The Left To Loosen.