Be certain that door arm is facing to the door end of rail.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003e16.\u003c\/strong\u003e Slide drive gear assembly, pulley guard, and tensioner assembly back into original position. 1.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"38416A.S Belt drive sprocket replacement instructions\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/38416A.S_Figure_1_large.png?v=1565723292\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e4. Shown in FIG. 2. 3. Install the red release handle approximately 6 feet from floor and tie knot to secure.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e22. Set the chain/ belt rail assembly on the floor upside down to help with disassembly. (Figure 1) \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/36773R_Carriage_Replacement_Instructions_Figure_1_medium.png?v=1559059875\" alt=\"36773R.S Carriage replacement instructions figure 1 \"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.\u003c\/strong\u003e Remove wall console and Safe-T-Beam® wires from the terminal block. (Figure 3). 5. Shown in FIG. Remove two screws holding the pulley guard in place. Move the garage door up or down to reengage carriage into the belt.\u003c\/p\u003e\n\u003cp\u003e24. Tie a knot in emergency release cord (Figure 10) to secure to carriage release cam. Shown above in FIG. Remove the powerhead and belt rail assembly from the mounting brackets and set the powerhead and rail on a clean work surface or on the floor. 20. Assemble the belt rail back to the motor head. Use a common small screwdriver to press in on the orange tabs while gently pulling wires from the block. I believe that i need to replace the carriage assembly for my PCG 700 ML/FN - Do you have it and how much ? Remove the two screws from drive gear assembly. Assemble the belt rail back to the motor head. Shown above in FIG. 2.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/38416A.S_Figure_2_large.png?v=1565723658\" alt=\"38416A.S Belt Sprocket replacement instructions for Genie garage door openers\"\u003e\u003c\/p\u003e\n\u003cp\u003e6. 1.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"38416A.S Belt drive sprocket replacement instructions\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/38416A.S_Figure_1_large.png?v=1565723292\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e4. This replacement belt sprocket will allow you to quickly replace your old sprocket to get your garage door opener back up and running smoothly. 1. (Figure 9). The carriage part number was 35263R.S. Tighten tensioner nut until the slack is removed from belt or chain. 7. Genie GSTB-R STB-BL Replacement Safety Beams, Black, 2 Pack, Black, one size (GSTB-R) ... Screw Drive Carriage Pull for Genie Garage Door Opener 36179R.S 34107R.S. Unplug the garage door opener power cord from power receptacle or turn off the breaker to the garage door opener. Reinstall the Light Bulbs and close the lens cover(s) and rear cover. Use the supplied nuts and bolts to fasten the bracket assembly to the belt rail.\u003c\/p\u003e\n\u003cp\u003e17. \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/36773R_Carriage_replacement_instructions_figure_3_medium.png?v=1559060030\" alt=\"Replacement carriage 36773R.S instructions figure 3\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8.\u003c\/strong\u003e Remove the motor head and belt or chain rail assembly (Figures 4 and 5) from the mounting brackets and set the motor head on a clean workbench or garage floor.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"Figure 4 replacing Genie carriage part number 36773R.S figure 4\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/36773R_Carriage_replacement_instructions_figure_4_medium.png?v=1559060111\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"Figure 5 replacing Genie carriage 36773R.S instructions\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1470\/8272\/files\/36773R_Carriage_Replacement_Instructions_Figure_5_medium.png?v=1559060152\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003e9.\u003c\/strong\u003e Remove the four self-tapping bolts from the rail\/motor mounting straps and pull the rail from motor head. Use the Owners Manual and\/or Installation Poster for detailed disassembly\/reassembly instructions and carefully read and understand all warnings and cautions pertaining to the opener.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWARNING\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eBE SURE ELECTRICAL POWER HAS BEEN DISCONNECTED FROM THE INPUT POWER LINES PRIOR TO REMOVING THE MOTOR COVER.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWARNING\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eANY AND ALL REPAIRS MADE TO THIS UNIT MUST BE PERFORMED WITH THE DOOR DISCONNECTED FROM THE OPENER AND IN THE CLOSED POSITION.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1.\u003c\/strong\u003e Close the garage door with the opener if able.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2.\u003c\/strong\u003e Pull the red emergency release cord on the carriage to disengage opener to close the garage door if necessary. Slide drive gear assembly, pulley guard, and tensioner assembly back into original position. Compatible with Models: 1028, 2028, 3020H, 3020H-B, 3022, 3024, 3042, 4022, 4024, 4042. Before pulling the emergency release cord, make certain people and objects are clear of the door opening.