Chamberlain 9902 - Manual (Page 37)

Repair Parts
37
ew
crew Drive
2/94 DN
UP
Brown
Wire
(Down)
Contact LIMIT SWITCH ASSY.
Grey
Wire
Yellow
Wire
(Up)
Contact
Center Limit
Contact
Drive
Gear
2
1
4
5
7
13
17
16
9
12
8
14
15
10
6
11
3
8c 8a
8b
8d
Opener Assembly Parts
KEY PART
NO. NO. DESCRIPTION
1 31D426 Drive shaft cover
2 41B4245 Line cord
3 30B363 Capacitor – 1/2 HP
4 12A373 Capacitor bracket
5 41A3150 Terminal block w/screws
6 41D4671 Limit switch assembly
7 12D554 Limit switch bracket
8 41D4759 Complete Motor Drive Assy., with
8a 144B41 22T Pulley
8b 144B42 28T Pulley
8c 20C14 Drive Belt
KEY PART
NO. NO. DESCRIPTION
8d 158A69 Retainer Ring
9 41A4843 Interrupter cup
10 41A4837 Worm gear and retainer
11 41C4669 Wire harness assembly
12 41C4672 RPM sensor assembly
13 41D4674-14E Receiver logic board assembly
14 41D4977-8 Cover
15 1C4840-8 Control Center access door
16 175C123 Light socket
17 108D47 Light lens