Chamberlain MIRACLE-1 Elite Series Installation Instructions Manual page 6

Procedure For Installation
STEP 1: REMOVE THE COVER - E - BY REMOVING
4 SCREWS.
With gate closed, position the plates on the gate taking care that the operator is kept level.
IMPORTANT: Weld front bracket at the top of the bar so operator will not hit bar while traveling.
6
TACK WELD
BRACKET AND
PLATE IN
POSITION
TACK WELD
BRACKET IN
POSITION
STEP 3: POSITION AND LEVEL THE OPERATOR,
BRACKETS AND PLATE (SEE BELOW AND PAGE 3).
TACK WELD PLATE AND BRACKETS IN POSITION.
8.5"
STEP 2: RELEASE THE MECHANICAL LOCK BY
TURNING KEY - F - TO THE HORIZONTAL POSI-
TION.
25.75"
(cont.)
F
2.25"