Mortise lock troubles

Contractor from New york
Lock keeps jamming. Sometime can?t turn the l lock keeps jamming. Sometime can?t turn the lot key or lock knob. Lock has marking, it reads AISD as shown in photo.
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2 Replies
Tom
Tom from SWISCO
SWISCO
Expert

It definitely sounds like a problem with the mortise lock. Start by looking at our 40-194. Carefully compare our dimensions to your measurements and let me know how they match up.

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