Repair Parts; Rail Assembly Parts; Installation Parts - Chamberlain LiftMaster Security+ 2500B Owner's Manual

REPAIR PARTS

Rail Assembly Parts

2
8

Installation Parts

3
4
1
12
1
4
2
5
8
7
10
11
9
3
5
KEY PART
NO. NO.
1 4A1008
2 41A5424
3 41B3869-1 Complete trolley assembly
4 109B33
5 183B99
6 41A5434-11 Full belt assembly
7 41B4103
8 83A11-2
6
KEY PART
NO. NO. DESCRIPTION
1 41C494 Multi-Function door control panel
2 41A5056-3 3-Button remote control housing
(no circuit board)
3 10A20 3V2032 Lithium battery
4 29B137 Remote control visor clip
5 41A2828 Emergency release rope & handle
assembly
6 217A238 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' 2-conductor
bell wire attached
10 178B34 Straight door arm section
11 178B35 Curved door arm section
12 41A5266-1 Safety sensor brackets (2)
NOT SHOWN
41A2770-5 Installation hardware bag
(includes hardware listed on page 5)
114A2796 Owner's manual
33
6
7
DESCRIPTION
Master link kit
Belt pulley bracket
Trolley clip
One-piece T-rail
Tensioner assembly
Rail grease