Withdrawal
1. Remove all panels and parts associated with the hinge.
2. Remove excess sealant around the hinge, scribe the contour of the hinge installation on the post.
3. With 100 mesh sandpaper or finer, sand the surface of the hinge until the four weld points are exposed.
4. Mark the center of the weld points with a center punch.
5. Counterbore (3) 13 mm diameter, drill the weld points in the base of the hinge (2).
Attention: do not drill the door frame (1).
6. Remove the loop. If necessary, knock off the loop with a chisel.
7. Remove welding residue from the door frame.
Installation
1. Repair any damage to the post caused by removing the hinge.
2. Attach the new hinge to the post according to the marks made before removing the old hinge.
3. Mark the centers of the hinge holes.
4. Using a 3 mm drill, make pilot holes in the frame.
5. Using a 11.5 mm drill, make the final holes in the frame.
Attention: the diameter of the drill must be exactly 11.5 mm.
6. Clean the hinge seat.
7. Apply an anti-corrosion primer to the seat.
8. Clean up the place for installing the reinforcing plate on the back side of the door frame.
9. Apply sealant to the hinge and reinforcing plate seats.
10. Align the loop (1) and reinforcing plate (4) with holes in the door frame (2) and install bolts (3). Tighten the bolts. Tightening torque 25 Nm.
11. If necessary, paint the new hinge.
12. Replace the removed panels and parts.