Overview
Modern composite door hinges have 3-way adjustment: vertical (up/down), horizontal (in/out on the reveal), and compression (in/out towards the frame). Each cam is usually a 4mm or 5mm Allen key.
Symptoms
- Any alignment issue.
Common causes
- Drop, movement, wear.
When to call a professional
- Cams stiff or seized.
- Adjustment not holding.
Prevention
- Don't over-tighten - cams have a limit.