[Drive Head] === (Chain/Belt Rail) === [Front Header Bracket] Assembly Steps Layout the rail segments on a flat floor surface.
Connect the drive bracket to the thrust arm (11) using the supplied screws and self-locking nut. [Drive Head] === (Chain/Belt Rail) === [Front Header
| Action | Frequency | |--------|-----------| | Visual inspection of moving parts | Daily | | Listen for unusual noises during operation | Daily | | Verify door moves smoothly without jerking | Daily | | Check manual release accessibility | Monthly | [Drive Head] === (Chain/Belt Rail) === [Front Header
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: The runner must be level. The minimum vertical distance between the door and the ceiling should be Mechanical Stops closing mechanical stop [Drive Head] === (Chain/Belt Rail) === [Front Header
