If the lower frame of your semitrailer’s backdoor already has holes and you have chosen a lock suitable for the model of your semitrailer, skip steps 1 and 2. If there are no holes in the frame to the right of the handle or the chosen lock is not suitable for this model, please follow steps 1 and 2.

Step 1

Place the lock’s body over the door handle and mark the location of the fastening bolt on the semitrailer’s frame.

 

lock 1Marking of hole’s location on the frame.

Step 2

Drill a hole with a 8.5-9 mm metal drill bit. For easier drilling it is better to drill a 3 mm hole first.
lock2     Drill 8,5 mm hole into the frame

Step 3

Place the fastening bolt through the frame, to the right of the handle.

Variant 1. The frame already has holes
Variant 2. The frame does not already have holes
lock 4Fastening bolt placed in the frame

Step 4

Place the body of the lock over the handle so the fastening bolt goes through the smaller hole in the lock’s body.


lock 5
Lock’s body placed over the handle

 

Step 5

Fasten the secret nut through the bigger hole of the lock’s body to the fastening bolt. To make fastening easier, first place the secret nut in the socket of the wrench.

 

lock 6 To make fastening easier, first insert the secret nut in the socket of the wrench

 

 

The lock is now in its working position! To open it, please follow the steps above in the opposite order (5-4-3).

 

TrailerLock-SW installation guide
Step 1

Place the lock’s body onto fixing bot of spare wheel.

 

Step 2

Place the secret nut through the bigger hole of the lock’s body into the fixing bolt.

 

Step 3

Fix the  secret nut wth using the wrench

 

For opening please do opposite steps 3-2-1.