Make sure the door closes securely without slamming. Adjust tab A if necessary: the tab nuts are fixed, but the tab can be slightly adjusted up, down, in or out.
1. Loosen screws B, then insert paper towel C between the body and tongue.
2. Lightly tighten the screws.
3. Wrap the tongue in a paper towel, then adjust the tongue by tapping it with a plastic mallet D. Do not tap the tab too hard.
4. Loosen the screws and remove the paper towel.
5. Lightly tighten the screws.
6. Pull out the outer handle and push the door against the body to make sure the tab allows it to lock tightly. If the door locks well, tighten the screws and recheck.