How to install Ultraloq U-Bolt Pro?
U-Bolt Pro fits all standard US doors with borehole of 2-1/8" (54 mm) diameter. If your door is not prepped with a borehole, you can use the template included in the box as a guide to drill the hole as well.
Please check the installation video for the detail steps.
NOTICE: ANY WRONG STEP WILL LEAD TO THE WHOLE INSTALLATION ALL FAILED.
1. Make sure cylinder tailpiece is adaptive for the thickness of the door.
After installing the cover plate, 1 to 2 pieces over the Assembly Mounting Plate hole is best. More than 3 pieces, it will affect the normal using.
2. Please don't insert the mechanical key during the whole installation.
3. Keep the Bolt shrink and the cylinder tailpiece of DeadBolt horizontal.
4. Keep the knob of U-Bolt Pro is Unlock position.