User manual LIFT-MASTER 65 5211

[. . . ] HIGH CYCLE MODIFICATION For 1/3 and 1/2 HP Operator Models T and SD APPLICATION REQUIREMENTS This modification is available for model T and SD 1/3 and 1/2 HP operators. [. . . ] ALL electrical connections MUST be made by a qualified individual. CAUTION WARNING PACKING LIST DESCRIPTION Shaft, High Cycle Modification Pillow Block Bearing Sprocket, 41B10 3/4" Bore Hex Bolt, #3/8-16 x 1-1/4" Long Serrated Flange Nut 3/8" Flatwasher 3/8" Roll Pin, 1/4" X 1-3/4" QTY 1 2 1 4 4 8 1 HIGH CYCLE MODIFICATION FIGURE 1 2'' Front Bracket Removed For Clarity 1 I N S TA L L AT I O N I N S T R U C T I O N S 1. With the front bracket in place, slide the pillow block idler assembly into the track. Drill four (4) holes (3/8" diameter) in the track, using the holes in the bearings for guides (Figure 1). Fasten in place, be sure to use flatwashers over the slots in the bearing (Figure 2). [. . . ] Hex Bolt 3/8" Flatwasher 3/8" Serrated Flange Nut FIGURE 3 Roll Pin Sprocket Shaft . 750 Dia. 1. 13" 4. 50" Centerline FIGURE 4 Bearing 5. 125" to 5. 250" 01-12012B © 2005, The Chamberlain Group, Inc. [. . . ]