Chamberlain 2500B Garage Door Opener User Manual


 
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Rail Assembly Parts
Installation Parts
33
KEY PART
NO. NO. DESCRIPTION
1 4A1008 Master link kit
2 41A5424 Belt pulley bracket
3 41B3869-1 Complete trolley assembly
4 109B33 Trolley clip
5 183B99 One-piece T-rail
6 41A5434-11 Full belt assembly
7 41B4103 Tensioner assembly
8 83A11-2 Rail grease
REPAIR PARTS
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