4
1c Place template and mark holes.
a. Place template on top centerline of doors.
b. Mark holes and prepare them per template.
2
Install MBS indicator (optional, plus models ONLY).
2a Remove cover.
2b Drill hole for MBS indicator.
0.25” (6 mm)
hole/drill bit
0.75”
(19 mm)
M420: 0.50"
(13 mm)
M450/490: 0.75”
(19 mm)
Bottom
2c Install MBS indicator.
3
Install ATS (optional, plus models ONLY)
3a Remove end block and wiring cover.
b
c
a
3b Install ATS and Reassemble
c
a
b
ATS
