Chamberlain 3850 Garage Door Opener User Manual


 
35
2
5
6
1
3
7
8
4
KEY PART
NO. NO. DESCRIPTION
1 4A1008 Master link kit
2 41B5424 Belt pulley bracket
3 41B3869-1 Complete trolley assembly
4 109B33 Trolley clip
5 2777BD One-piece rail
6 41A5434-11 Full belt assembly
7 41B4103 Tensioner assembly
8 83A11-2 Rail grease
7
10
11
5
N
O
TIC
E
U
P
C
E
I
L
I
N
G
M
O
U
N
T
O
N
L
Y
8
6
1
4
3
2
9
12
13
LO
C
K
LIGH
T
Installation Parts
REPAIR PARTS
Rail Assembly Parts
KEY PART
NO. NO. DESCRIPTION
1 398LM LCD Motion detecting door control console
2 373LM 3-Button remote control
3 10A20 3V2032 Lithium battery
4 29B137 Remote control visor clip
5 41A2828 Emergency release rope and handle
assembly
6 41B4494-1 2-Conductor bell wire, white & white/red
7 41A5047-1 Door bracket w/ clevis pin & fastener
8 41A4353-1 Header bracket w/clevis pin & fastener
9 41A5034 Safety sensor kit (receiving and sending
eyes) with 3' (.9 m) 2-conductor bell wire
10 178B34 Straight door arm section
11 178B35 Curved door arm section
12 41A5266-1 Safety sensor brackets (2)
13 485LM Battery
NOT SHOWN
101D173 Push bar for door control
41A2770-5 Installation hardware bag (includes
hardware listed on page 5).
114A3281 Owner’s manual
114A3281SP Owner’s manual - Spanish