LiftMaster T T- Mechanical New style with thermal overload Manual - Page 17

REPLACEMENT PART KITS - ELECTRICAL BOX Complete Electrical Box Replacement Kits To order a complete electrical box kit, add a K74- prefix to the model number of your operator. For example: T5011M (Operator) = K74-T5011M (Electrical box replacement kit) Electrical Box Sub-Assemblies K72-12510 Limit Shaft Assembly K72-12511 Limit Switch Assembly Motor Kits K20-1033B2P K20-3033B4P K20-3033M5P K20-51033BP K20-1050B2P K20-3050B4P K20-3050M5P K20-51050BP K20-1075B2P K20-3075B4P K20-3075B5P K20-51075BP K20-1100B2P K20-3100B4P K20-3100B5P Models T3311M, T3321M Models T3323M, T3338M, T3343M Model T3353M Model T3325M Models T5011M, T5021M Models T5023M, T5038M, T5043M Model T5053M Model T5025M Model T7511M, T7521M Models T7523M, T7538M, T7543M Model T7553M Model T7525M Models T1011M, T1021M Models T1023M, T1043M Model T1053M Shaft Assemblies K72-12506 Clutch Shaft Assembly (1/3 & 1/2 HP Models) K72-12507 Clutch Shaft Assembly (3/4 & 1HP Models) K72-12508 Output Shaft Assembly (1/3 & 1/2 HP Models) K72-12509 Output Shaft Assembly (3/4 & 1 HP Models) Hardware, Track, Drive Chain Kits K72-12491 Hardware Kit See pg. 19 Drive Chain See pg. 19 Track Brake Kits 71-B120 71-B240 71-B575 115 Volt Models 230-460 Volt Models 575 Volt Models Notes: Single Phase units are equipped with an external line break device and may be equipped with an additional internal pilot duty thermal O/L device. Three phase units may be equipped with an internal pilot duty thermal O/L device or an external line break device. * COMPLETE ELECTRICAL BOX KITS Item P/N Descrition Qty 1 03-8024-K Contactor 1 2 10-13790 Electrical Box 1 3 10-10115 Electrical Box Cover 1 4 21-5XXX (See Varaible Components) 1 5 24-XXX (See Varaible Components) 1 6 24-24-1 24VAC DPDT Relay 1 7 25-2XXX (See Varaible Components) 1 8 25-4XXX (See Varaible Components) 1 9 42-10040 Terminal Block, Radio 1 10 42-110 Terminal Block, 10 Position 1 * Electrical Box Kits include parts from K72-12510 and K72-12511 K72-12510 LIMIT SHAFT ASSEMBLY KIT Item P/N Description Qty L1 11-10021 Limit Shaft, Standard T 1 L2 12-10028 Flange Bearing, 3/8" I.D. 2 L3 13-10024 Limit Nut 2 L4 15-48B9A Sprocket 48B9 x 3/8" Bore 1 L5 80-10025 Washer, Shim 3/8" I.D. x .050 THK. 1 L6 80-10026 Washer, Shim 3/8" I.D. x .010 THK. 4 L7 86-CP05-108 Roll Pin, 1/8 DIA. x 1 Long 1 L8 87-E-038 E Ring, 3/8" 1 K75-12511 LIMIT SWITCH ASSEMBLY KIT Item P/N Description Qty S1 10-10013 Depress Plate 1 S2 10-12553 Nut Plate, Switch 4 S3 10-12806 Backup Plate 2 S4 18-10036 Spring, Depress Plate 2 S5 23-10041 Limit Switch 4 S6 31-12542 Standoff, Limit Switch 4 S7 82-PX04-20 Screw, #4-40 Pan Head Phillips 8 S8 82-PX06-16 Screw, #6-32 x 1" Pan Hd Phillips 2 S9 84-LH-06 Locknut, #6-32 Nylon Hex 2 VARIABLE COMPONENT KITS T3311M T3321M T3323M T3343M T3353M T3325M T3338M T5011M T5021M T5023M T5043M T5053M T5025M T5038M T7511M T7521M T7523M T7543M T7553M T7525M T7538M T1011M T1021M T1023M T1043M T1053M ITEM PART NO. DESCRIPTION 21-5115 Transformer, 115 Volts 21-5230 Transformer, 230 Volts 4 21-5460 Transformer, 460 Volts 21-5575 Transformer, 575 Volts 24-115-1 Relay, 115 Volts 5 24-230-5 Relay, 230 Volts 25-2006 Overload, 6 Amp 25-2008 Overload, 8 Amp 7 25-2010 Overload 10 Amp 25-2015 Overload 15 Amp 25-2020 Overload 20 Amp 25-4001-8K Overload 1.2-1.8 Amp 8 25-4002-5K Overload 1.6-2.5 Amp 25-4004-K Overload 2.5-4.0 Amp 17