Sliding glass door handles and lock

A quick learner from Washington says:
I tried replacing just the lock but didn't have any luck. Thinking I need to replace handle with lock. What do you suggest that will work. If you need more pictures please let me know. Thanks
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Bob from SWISCO responded:

It looks like you have our 82-218, albeit upside down from how it normally is installed. Nevertheless I think ti should work for you. For a new handle set consider our 82-035. You can adapt the 82-315 Key Lock Housing to the outside pull. The video below shows how. 

How to install a Legacy Handle Set
How to install a Legacy Handle Set
VIDEO
WATCH >
How to install the 82-218 Mortise Lock
How to install the 82-218 Mortise Lock
VIDEO
WATCH >
How to Install a Key Lock on a Patio Door
How to Install a Key Lock on a Patio Door
VIDEO
WATCH >
How to maintain a sliding glass door
How to maintain a sliding glass door
GUIDE
READ >
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