This Hooply gearbox has 4 deadbolts and is commonly used on site containers and security steel doors.
Operation: Lift lever
Latch reversal: Depending on the date of manufacture either -
1. To reverse latch undo screw on top of lockcase and push silver button up,latch pops out, twist and reinsert screw
2. Using a screw driver or similar insert into round hole in back edge of lock case behind latch. Push entire latch bolt forward until the bolt clears the faceplate and can be rotated. Spin the bolt through 180 degrees. remove screwdriver from back of case and bolt will move back into position.