Monster Lock

Monster Lock

Master Lock 410 LOTO lock replacement body, with no visible screw.

IMPORTANT: For locksport only. Not recommended to be used to secure anything.

Printing instructions

Layer height: 0.15mm

No support

Required parts

• A Master Lock 410 LOTO lock, cracked open:
    - KiK cylinder + key
    - Shackle
    - Actuator
    - 2x ball bearings
• M3 nut and screw (3mm diameter)
    - 1 x M3 screw, between 8mm and 16mm long.
    - 1 x M3 hexagonal nut: 2.4mm thickness, 5.5mm socket size (face to face).
    - Screwdriver, with a diameter of less than 6.5mm.

Assembly instructions

NOTE: There is a photo for each instruction step.

1. Break the sacrificial layer in the screw hole (both parts) using the screw. Remove any debris.
2. Push the nut in the hole on the side of the housing.
3. Put the KiK cylinder in the housing, and unlock it with the key.
4. Put the shackle in the body.
5. Put the balls in the lock body. Push them all the way in with a flat screwdriver.
6. Put the actuator in the lock body. Make sure it's oriented in the "Open" (unlocked) position.
7. Pull on the shackle. The balls will move in the actuator, locking it in place. The shackle will only come out if the actuator is oriented properly.
8. Put the housing in.
9. Close the shackle and try to lock / unlock it, to make sure it works. Make sure the housing do not leave the padlock. It's not secured yet.
10. Unlock it, put the screw down the shackle hole and screw it in place.

Disassembly instructions

1. Unlock the padlock and remove the screw down the shackle hole.
2. Close the shackle and lock the padlock.
3. Remove the housing and the KiK cylinder. It should come out by pulling on the key.
4. Remove the actuator. It should easily fall off the padlock.
5. Pull on the shackle. The ball bearings will fall off the padlock.

Unit: millimetres