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Производитель: Chamberlain
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Название файла: 1256r.pdf
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Assembly Step 2 Attach Chain to Sprocket and Install Sprocket Cover For Models 1260, 1260-266, 1255,1255-266, 1250, 1250-266, 1245, 1245-266 and 1240 • Position chain over the opener sprocket. If necessary, loosen the outer nut on the trolley to obtain more chain slack. • Insert the second washered screw. CAUTION: Use only the screw previously removed from opener! • Tighten both screws securely through the T-rail into the opener as shown. Install the sprocket cover: • Insert the back tab in the opener slot. Squeeze the cover slightly and insert the front tab in the slot on the mounting plate. USE ONLY THIS TYPE AND SIZE SCREW Washered Screw 5/16"-18x1/2" Styrofoam Chain T-rail Hole Sprocket Cover Mounting Plate Front Tab Slot Back Tab Slot Top of Opener Proceed to Assembly Step 3, page 11. Serious injury can result if fingers become entangled in moving opener sprocket. Attach sprocket cover securely. Never operate opener while your hand is near the opener sprocket. WARNING caiuns Tteho se ef atrosiopteu onsf rdtahaieml, ouapgseen CAUTIONCAUTION Assembly Attach the T-rail to the Opener For Models 1256 and 1246 only Styrofoam • Place the opener on packing material to the cover. • Remove the (2) 5/16"-18x1/2" washered screws mounted in the top of the opener. • Align T-rail and styrofoam over opener sprocket. USE ONLY THIS TYPE AND SIZE SCREW Washered Screws 5/16"-18x1/2" Chain T-rail Packaging Opener Sprocket • Cut tape from T-rail, chain and styrofoam. Remove styrofoam and pull the chain back (away from mounting plate) • Fasten the rail with the (2) washered screws previously removed. Tighten securely. Remember to use only these screws! Any other screws will cause serious damage to the opener. USE ONLY THIS TYPE AND SIZE SCREW Washered Screws 5/16"-18x1/2" Chain T-rail Opener Chassis Styrofoam Packaging Mounting Plate 9 Assembly Attach the Chain Spreader and Re-install the Chain For Models 1256 and 1246 only Serious injury can entangled in moving sprocket cover securely. while your hand is near WARNING Serious injury can entangled in moving sprocket cover securely. while your hand is near WARNING • Line up the holes in the chain spreader with holes in the opener as shown. The slot in the spreader must fit over the T-rail flange. • Securely fasten the chain spreader with the hardware provided. • Remove the trolley threaded shaft from the trolley by loosening the inner nut and lock washer. • Guide the chain around the selected groove in the chain spreader (to engage either the 8-tooth sprocket or the 6-tooth sprocket) as shown. • Continue dispensing the chain forward to the trolley. Reconnect the trolley to the trolley threaded shaft. Proceed to page 11 for chain tightening instructions. Chain Spreader #8x1" Hex ScrewUSE ONLY THIS TYPE AND SIZE SCREW T-rail Flange Slot Washers Trolley Trolley Threaded Shaft Outer Nut T-rail Inner Nut and Washer Sprocket Opener Mounting Plate Chain Spreader 8-Tooth Sprocket Opener Mounting Plate Chain Spreader 6-Tooth Install Chain In This Direction Opener Sprocket Chain Spreader Chain 10 Assembly Tighten the Chain (All Models) Lock Outer Nut Washer • Spin the inner nut and lock threaded shaft, away from the • To tighten the chain, turn outer shown. As you turn the nut, keep the chain from twisting. • When the chain is approximately 1/2" above base of the T-rail at its midpoint, re-tighten inner nut to secure the adjustment. Sprocket noise can result if chain is either too Chain loose or too tight. When installation is complete, you may notice some chain droop with the door closed. This is normal. If 1/2" the chain returns to the position shown when the door is open, do not re-adjust the chain. Base of T-rail NOTE: During future maintenance, ALWAYS pull the manual release handle to disconnect trolley before adjusting chain. To Tighten Outer Nut Inner Nut Trolley To Tighten Inner Nut You have now finished assembling your garage door opener. Please read the following warnings before proceeding to the installation section. IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of severe injury or death to persons: 1. READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS 2. Install only on a properly balanced and lubricated garage door. An improperly balanced door could result in severe injury or death. Repairs to cables, spring assemblies and other hardware must be made by a professional service person before installing opener. 3. Disable all locks and remove all ropes connected to the garage door before installing the opener. Ropes connected to a garage door can cause entanglement and death. 4. If possible, install door opener 7 feet or more above floor with the manual release handle mounted 6 feet above the floor. 5. Do not connect the opener to power source until instructed to do so. 6. Locate the Door Control within sight of the door at a minimum height of 5 feet where small children cannot reach and away from all moving parts of the door. 7. Install the User Safety Instruction Label o...