Replacing Faulty Gearbox on UPVC | Milton Keynes
Posted on Sep 19, 2018
A customer got in touch with NJM Locksmith as they had a fault with the gearbox on their UPVC door. We inspected the door and identified what the problem was which was the spindle part had cracked and broken and was preventing the door from operating correctly. This fault prevented the door from locking.
