Chamberlain 3840 Garage Door Opener User Manual


 
36
1
6
2
3
5
4
7
8
11
12
6
NOTICE
UP
CEILING MOUNT ONLY
9
7
1
5
10
13
14
LOCK
LIGHT
3
4
2
KEY PART
NO. NO. DESCRIPTION
1 398LM Smart Control Panel
®
2 373P 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 Door bracket w/clevis pin & fastener
9 41A4353 Header bracket w/clevis pin & fastener
10 41A5034 Safety sensor kit (receiving and sending
eyes) with 3 feet (.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 485LM Battery
NOT SHOWN
101D173 Push bar for door control
41A4675-7 Installation hardware bag
(includes hardware listed on page 5)
114A3741 Owner’s manual
114A3741SP Owner’s manual-Spanish
Installation Parts
REPAIR PARTS
Rail Assembly Parts
KEY PART
NO. NO. DESCRIPTION
1 41A6353 Hardware bag
(includes sprocket coupling)
2 81C275 Rack
3 41A6262 Complete trolley assembly
4 3077SD Screw Drive one-piece rail
7 feet (2.1 m)
3088SD Screw Drive one-piece rail
8 feet (2.4 m)
5 41A4836 Drive sprocket kit
6 25C20 Coupling
7 41A6312 Rail End Bracket
NOT SHOWN
28A143 Wire Clips