LiftMaster SW470 SW490 S3 BOARD Manual - Page 28

28 SW490 Parts List and Drawing SW490 Parts List PART NO. 02-401-SP (N) 03-8024 03-ABDIN-4 06-2025-T 08-2001 10-2005-T 10-2008 10-2011 10-2013 10-2015-T 10-2026-T 10-3900 10-G0326 10-G0539 10-G0614 10-G0671 11-2002 11-3511 (N) 12-2002 12-2125 12-10172 15-2002 15-9020 16-4L280 17-2002 17-2701 18-2001 (N) 19-2075 QTY. 1 1 1 1 2 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 4 1 DESCRIPTION STANDARD PARTS PART NO. STOP BUTTON 19-9024 REVERSING CONTACTOR 24VAC 23-2016 DIN RAIL 23-3001 ARM ASSEMBLY EXTENSION ARM HOLDER SIDE PLATE SWITCH PLATE GATE BRACKET MOUNTING ANGLE HOUSING EXTENSION ARM ARM SHAFT SWITCH BOX COVER SENSOR SUPPORT BRACKET ELECTRICAL PANEL CONTROL BOARD BRACKET MAIN SHAFT HEATER PLUG (OPTIONAL) SLEEVE BEARING, MAIN SHAFT FLANGE BEARING, MAIN SHAFT SLEEVE BEARING, EXT. ARM DRIVE SPROCKET SPROCKET, 50B12 4L280 COGGED BELT PULLEY, MOTOR 7.5" PULLEY WITH MAGNETS COMPRESSION SPRING CHAIN, #50 28-G0518 31-2003 31-2712 (N) 31-G0590 31-G0591 32-2001 42-G0648 69-G2000 75-G0400 75-G0401 76-G0541 76-G0564 80-1003 80-206-39 80-207-19 80-207-20 80-207-25 80-575 8121CGS00600 82-HN75-28 82-PX06-26 82-PX08-10T 82-PX10-04 85-FW-06 QTY. DESCRIPTION 1 MASER LINK, #50 2 LIM. SWITCH, AUX.OPEN/CLOSE 1 DPST ON/OFF TAG 20A 125277VAC 1 SWITCH BOX 2 ACTUATOR ARM STOP 4 SPACER 2 6-32 HEX NYLON STANDOFF 1 6-32 HEX ALUMINUM STANDOFF 1 GEAR REDUCER REV C 1 TERMINAL BLOCK, 8 POSITION 1 S3 ASSEMBLY PCB TESTED 2 SINGLE SW COLLARS HSW 1 DOUBLE SWING COLLAR 1 HALL EFFECT ASSEMBLY 1 ALARM ASSEMBLY 1 TINNERMAN NUT 4 SPACER BUSHING 1 STEP KEY, 1/4 x 1/4 x 1-1/2 1 KEY, 3/8 x 3/8 x 1- 1/2 1 KEY, 3/8 x 3/8 x 2-1/4 4 3/4" WASHER 1 PLASTIC 6" CARD GUIDE 2 3/4-10 x 3" HEX HEAD BOLT 2 PAN HEAD, 6-32 x 2 1/2" 2 PAN HEAD PHILLIPS 8-32 x 5/8" 2 PAN HEAD PHILLIPS 10-32 x 1/4" 3 FLAT WASHER, #6 Table 12 Parts designated (N) are not shown on drawing. Parts having one or more X in the part no. vary from model to model. See "Variable Parts" on the following page. Doc 01-G0665 Rev C