Fasten the rail to the motor unit, Install the idler pulley, Warning caution warning warning – Chamberlain WHISPER DRIVE 248739 User Manual

Page 9: Assembly step 2, Assembly step 3

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Fasten the rail to the motor unit, Install the idler pulley, Warning caution warning warning | Assembly step 2, Assembly step 3 | Chamberlain WHISPER DRIVE 248739 User Manual | Page 9 / 40 Fasten the rail to the motor unit, Install the idler pulley, Warning caution warning warning | Assembly step 2, Assembly step 3 | Chamberlain WHISPER DRIVE 248739 User Manual | Page 9 / 40
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