How to replace a defective Pella latch lock?

A quick learner from kent, ohio says:
March 15, 2013
I have removed all local screws. Are the screws at the top and bottom of the door to be removed as well
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Casey from SWISCO responded:
March 18, 2013
Good morning! Thanks for posting. There shouldn't be any screws at the top or bottom of the door that you need to remove. Take a look at our handy guide on how to replace our 40-191 and see if it helps.
Guide: 40-191 Mortise Lock Latch Assembly Removal
40-191 Mortise Lock Latch Assembly Removal
Storm Door Multi-point Mortise Lock, Pella
Storm Door Multi-point Mortise Lock, Pella
40-191
$32.90
SWISCO 40-191 Storm Door Multi-Point Mortise Lock by Pella
SWISCO 40-191 Storm Door Multi-Point Mortise Lock by Pella
VIDEO
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How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
VIDEO
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40-191 Mortise Lock Latch Assembly Removal
40-191 Mortise Lock Latch Assembly Removal
GUIDE
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