Install Mbs Indicator; Install Ats; Remove Cover; Drill Hole For Mbs Indicator - Schlage M420 Installation Instructions Manual

2
INSTALL MBS INDICATOR (OPTIONAL, PLUS MODELS ONLY)
2a

Remove Cover

2c

Install MBS Indicator

3
INSTALL ATS (OPTIONAL, PLUS MODELS ONLY)
3a
Remove End Block and Wiring Cover
4
b
c
a
2b

Drill Hole for MBS Indicator

0.25"
(6 mm)
0.75"
hole
(19 mm)
M420: 0.50" (13 mm)
M450/490: 0.75" (19 mm)
3b
Install ATS and Reassemble
Bottom
¹⁄₄" (6 mm) drill bit
f
e
d
ATS