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8
Motor Installation
Please Note: If the chain base and motor unit are pre-installed on the skylight,
skip to step 7.
1. Verify Skylight Weight
Important Skylight Information:
•
The skylight lid weight must not exceed 80 lbs. (36 kg) at the chain.
•
If over 80 lbs. or wider than 40” refer to the Synchronous Motor
section of the manual.
2. Install Chain Base
•
Remove existing manual operator and/or chain base if present.
•
Install the chain base included with the kit (even if the current unit appears
to be the same).
•
Secure chain base to skylight frame with #10 screws (not supplied) in the
locations shown. Where possible, reuse the fasteners used by the
skylight manufacturer.
•
Secure vent bracket to skylight vent.
Important: Check chain, vent bracket and lid alignment to ensure smooth
operation. Adjust mounting positions as needed.
Chain carries ½ of total lid weight
80 lbs. max
