Chamberlain Security + 3850PC - Installation Parts; Rail Assembly Parts; Repair Parts

36
2
4
5
1
3
6
7
KEY PART
NO. NO. DESCRIPTION
1 4A1008 Master link kit
2 41B5424 Belt pulley bracket
3 41B3869-3A Complete trolley assembly
4 2777BD One-piece rail (8' (2.4 m))
2770BD One-piece rail (10' (3 m))
5 41A5434-11 Full belt assembly
6 41B4103 Tensioner assembly
7 83A11-2 Rail grease
8
11
12
6
NOTICE
UP
CEILING MOUNT ONLY
9
7
1
5
3
4
2
10
13
14
Installation Parts
REPAIR PARTS
Rail Assembly Parts
KEY PART
NO. NO. DESCRIPTION
1 398LMC Smart Control Panel
®
2 373PC 3-Button remote control
3 10A19 3V2016 Lithium Battery:
LED and opener
4 10A33 3V2450 Lithium Battery:
Proximity Switch
5 29C151 Remote control visor clip
6 41A2828 Emergency release rope and
handle assembly
7 41B4494-1 2-Conductor bell wire, white & white/red
8 41A5047-1 Door bracket w/clevis pin & fastener
9 41A4353-1 Header bracket w/clevis pin & fastener
10 41A5034 Safety reversing sensor kit
(receiving and sending eyes)
with 3' (.9 m) 2-conductor bell wire
11 178B34 Straight door arm section
12 178B35 Curved door arm section
13 41A5266-1 Safety sensor brackets (2)
14 485LMC Battery
NOT SHOWN
101D173 Push bar for door control
41A2770-13 Installation hardware bag
(includes hardware listed on page 5)
114A3400 Owner’s manual