Chamberlain 1200 manual

TM The Chamberlain Group, Inc. A DUCHOSSOIS ENTERPRISE 845 Larch A venue Elmhurst, Illinois 60126 Garage Door Opener Owner's Manual (Model Series 1200) For Residential Use Only Model 1260 - 1/2HP Model 1260-166 - 1/2HP Model 1260-266 - 1/2HP Model 1250 - 1/3HP Model 1250-266 - 1/3HP Model 1256 - 1/2HP Model 1246 - 1/3HP Model 1255 - 1/2HP Mode[...]

Start by reviewing these important safety alert symbols 2 CONTENTS PAGE A review of safety alert symbols .............................2 You'll need tools .....................................................3 Safety information regarding garage door locks and ropes.............................................................3 Testing your gara[...]

3 SECTIONAL DOOR ONE-PIECE DOOR Pliers Wire Cutters Claw Hammer Hack Saw Screwdriver Adjustable End Wrench 1/2" and 7/16" Sockets and Wrench Drill Tape Measure 2 1 Stepladder Pencil 3/16", 5/16" and 5/32" Drill Bits Carpenter's Level Y ou'll Need T ools During assembly , installation and ad justment of t [...]

4 You may find it helpful to refer back to this page as you proceed with the installation of your opener. Safety Reversing Sensor Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 20 for details. FINISHED CEILING Support bracket & fastening hardware[...]

FINISHED CEILING Support bracket & fastening hardware is required. See page 17. Slack in chain tension is normal when garage door is closed. Safety Reversing Sensor Header Wall Access Door Safety Reversing Sensor Gap between floor and bottom of door must not exceed 1/4". 5 Chain Pulley Bracket Header Bracket Trolley Straight Door Arm Manua[...]

6 Opener Carton Inventory Your garage door opener is packaged in two cartons which contain all parts illustrated below. If anything is missing, carefully check the packing material. Parts may be "stuck" in the foam. Hardware for installation is shown on page 7. Straight Door Arm Section Door Bracket Plate Door Bracket Curved Door Arm Sect[...]

Lock Nut 1/4"-20 (4) Carriage Bolts 1/4"-20x1/2" (4) Safety Reversing Sensor Installation Hardware Kit #41A4116 Hex Screw 1/4-20x1-1/2" (2) Screw #10-32 x3/8" (4) Lock Nut #10x32 (4) Wing Nut (2) Insulated Staples (20) Lag Screw 1/4x1-1/2" (4) 7 Nut 5/16"-18 (6) Clevis Pin 5/16"x2-3/4" (1) NOTICE Hand[...]

Assembly Step 1 Attach the T -rail to the Opener For Models 1260, 1260-266, 1255,1255-266, 1250, 1250-266, 1245, 1245-266 and 1240 To fasten rail, use only those screws mounted in top of the opener. Any other screws will cause serious damage to the opener. 8 USE ONLY THIS TYPE AND SIZE  SCREW Washered Screw 5/16"-18x1/2" Opener?[...]

9 • Place the opener on packing material to protect 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. Assembly Step 1 Attach the T -rail to the Opener For Models 1256 and 1246 only USE ONLY THIS TYPE AND SIZE SCREW Washered Screws 5/16"[...]

Assembly Step 2 Attach the Chain Spreader and Re-install the Chain For Models 1256 and 1246 only 10 Chain Spreader #8x1" Hex Screw USE ONLY THIS TYPE AND SIZE SCREW T-rail Flange Slot Washers Trolley Trolley Threaded Shaft Outer Nut T-rail Inner Nut and Washer Opener Sprocket Install Chain In This Direction Chain Spreader Chain 8-Tooth Sprocke[...]

• Spin the inner nut and lock washer down the threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction shown. As you turn the nut, keep the chain from twisting. • When the chain is approximately 1/2" above the base of the T-rail at its midpoint, re-tighten the inner nut to secure the adjustment. Spro[...]

• Open your door to the highest point of travel as shown. Draw an intersecting horizontal line on the header wall 2" above the high point. This height will provide travel clearance for the top edge of the door. Header Wall Ceiling Track Highest Point of Travel Door 2" 12 Proceed to Step 2, page 14. Door Track Header Wall Highest Point o[...]

Header Wall Vertical Centerline Vertical Centerline of Garage Door 2x4 Unfinished Ceiling Structural Supports 2x4 OPTIONAL CEILING MOUNT FOR HEADER BRACKET • Close the door and mark the inside vertical centerline of your garage door. Extend the line onto the header wall above door. If headroom clearance is minimal, you can install the header brac[...]

Lag Screws 5/16"x18x1-7/8" Highest Point of Travel (of Garage Door) Vertical Center Line Header Wall Garage Door UP CEILING MOUNT ONLY Wall Mounting Holes Optional  Wall Mounting Holes The nail hole is for positioning only. You must use lag screws to mount the header bracket. UP CEILING MOUNT ONLY 2&quo[...]

Header Bracket Chain Pulley Bracket Temporary Support Header Wall Garage Door T-rail Clevis Pin 5/16"x2-3/4 " Ring Fastener Header Bracket Chain Pulley Bracket T-rail INCREASE TRAVEL DOWN UP • Position the opener on the garage floor below the header bracket. Use packing material as a protective base. If the door spring is in the way you[...]

Installation Step 4 Position the Opener Follow instructions which apply to your door type as illustrated. To prevent damage to steel, aluminum, fiberglass or glass panel doors, do not rest the opener on the door without using a 2x4. SECTIONAL Door & ONE-PIECE Door with T rack T-rail 2x4 Door Stepladder ONE-PIECE Door without T rack • With the[...]

Installation Step 5 Hang the Opener Two representative installations are shown. Yours may be different. Hanging brackets should be angled, Figure 1, to provide rigid support. On finished ceilings, Figure 2, attach a sturdy metal bracket to structural supports before installing the opener. The bracket and fastening hardware are not supplied. • Mea[...]

Installation Step 6 Install the Door Control 18 Children operating or playing with a garage door opener can injure themselves or others. The garage door could close and cause serious injury or death. Install the Door Control (or any additional push buttons) out of the reach of children and away from all moving parts of the door and door hardware, b[...]

Lens Slot 75 Watt Max. Light Bulb Lens Tab Light Lens Panel Screw Install the light(s): • Install a 75 watt maximum light bulb in each socket. The light(s) will t ur n ON and remain lit for approximately 4-1/2 minut es when power is connected. Then t he light(s) will t ur n OFF . • If the bulbs bur n out premat urely due to vibration, replace w[...]

To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will only fit into a grounding type outlet. If the plug doesn't fit into the outlet you have, contact a qualified electrician to install the proper outlet. Installation Step 9 Electrical Requirements Ground Tab Green Gr[...]

The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. This is a required safety device and cannot be disabled. Installation procedures are the same for sectional and one-piece doors. Without a properly working safety reversing sensor, persons (particularly children) could [...]

Garage Floor Inside Garage Wall Alternate Floor Mount Mounting Bracket with Slot Mounting Bracket with Square Holes "C" Wrap Sensor Indicator Light Attach with concrete anchors (not provided) 1/4x1-1/2" Lag Screw #10-32x3/8" Screw 1/4" - 20 Lock Nut #10x32 Lock Nut Staples 1/4"-20x1/2" Carriage Bolts Installation [...]

Invisible Light Beam Protection Area Sensor Sensor Connect Wire to Opener Terminals Bell Wire Bell Wire — Finished Ceiling — OPENER TERMINAL SCREWS Sensor Connections Wall Control Connections (dotted line) 1 2 3 1/4-20x1-1/2" Hex Bolt "C" Wrap Wire Sensor Wing Nut Indicator Light • Run paired wires from both sensors to the open[...]

Installation Step 1 1 Fasten Door Bracket Follow instructions which apply to your door type as illustrated below or on page 25. To prevent damage to steel, aluminum, fiberglass or glass panel doors, always reinforce the inside of the door both vertically and horizontally with angle iron. A horizontal brace should be long enough to be secured to 2 v[...]

Door Bracket Top of Door (Inside Garage) Carriage Bolt 5/16"-18x2-1/2" Optional Placement Lock Washer 5/16" Nut 5/16"-18 Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, aluminum, steel, door with glass panel, etc.). Header Wall Vertical Centerline of Garage Door — Finished Ceiling — [...]

Installation Step 12 Connect Door Arm to T rolley Follow instructions which apply to your door type as illustrated below and on page 27. Make sure garage door is fully closed. Pull the manual release handle to disconnect the outer trolley from the inner trolley. Slide the outer trolley back (away from the door) about 2" as shown in Figures 1, [...]

All ONE-PIECE Doors Assemble the Door Arm: • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). • With the door closed, connect the straight door arm section to the door bracket with a clevis pin. • Secure with a ring fastener. Nuts 5/16"-18 Lock Washers 5/16" Ring [...]

Adjustment Step 1 Adjust the UP and DOWN Limits 28 Limit adjustment settings regulate the points at which the door will stop when moving up or down. The door will stop in the up direction if anything interferes with door travel. The door will reverse in the down direction if anything interferes with the door travel (including binding or unbalanced [...]

Adjustment Step 2 Adjust the Force Too much force on the door will interfere with the proper operation of the safety reverse system. The door might not reverse properly when required and could seriously injure or kill someone under it. Do not increase the force beyond the minimum amount required to close the door. Do not use the force adjustments t[...]

Adjustment Step 4 T est the Safety Reverse System Test: • Place a one-inch board (or a 2x4 laid flat) on the floor, centered under the garage door. • Operate the door in the down direction. The door must reverse on striking the obstruction. Adjustment: If the door stops on the obstruction, it is not traveling far enough in the down direction. ?[...]

The remote control transmitter The opener must learn the code of any new remote control. Page 33 explains how to program your receiver and how to erase all codes if required. Self service of your receiver and remote control is not recommended. If service is needed, call the toll-free number listed on the back page. The remote control battery The gr[...]

To open the door manually: The door should be fully closed if possible. Pull down on the manual release handle and lift the door manually. To reconnect the door to the opener, press the Door Control button/push bar. 32 Activate the opener with any of the following devices: 1. The Remote Control Transmitter. Hold push button down until the door star[...]

Children operating or playing with a garage door opener can injure themselves or others. The garage door could close and cause serious injury or death. Do not allow children to operate the door control(s) or remote control transmitter(s). A moving garage door could injure or kill someone under it. Activate the opener only when you can see the door [...]

1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, check the fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.) 2. Have you disabled all door locks? Review installation instruction warnings on Page 11. 3. Is there a build-up of ice or snow under the door? The door may be froz[...]

Having a Problem? (continued) Situation Probable Cause & Solution The door reverses for no apparent reason and opener lights don't blink: 1. Is something obstructing the door? Pull the manual release handle. Operate the door manually. If it is unbalanced or binding, call for professional garage door service. 2. Clear any ice or snow from t[...]

9 UP CEILING MOUNT ONLY 7 11 12 LIGHT LOCK 1 2 5 NOTICE 6 8 13 15 14 10 4 3 2 1 3 4 5 RAIL GREASE NO. 83A4 6 Repair Parts Rail Assembly Parts Installation Parts 36 KEY PART NO. NO. DESCRIPTION 1 1A995 Master link kit 2 41A4813 Chain pulley bracket 3 41A3489 Complete trolley assembly 4 183B99 One-piece T-rail 5 41D3484 Full chain assembly 6 83A4 Rai[...]

Repair Parts 1A 2A 11 9 14 15 16 17 20 5 4 6 3 DN UP Brown Wire (Down) Contact LIMIT SWITCH ASSY. Grey Wire Yellow Wire (Up) Contact Center Limit Contact Drive Gear 8 10 21 17 13 7 8 19 2 7 8A 12 18 1 KEY PART NO. NO. DESCRIPTION 1 41A4208 Chain spreader w/screws (1256, 1246) 1A 31D380 Sprocket cover (all other models) 2 41C4206A Gear and sprocket [...]

Accessories A vailable For Y our Opener Model 83LM Model 742LM Model 84LM Model 60 Model 66LM Model 1702 3-Channel Remote Cont rol: Includes visor clip. 4-Channel Remote Cont rol: Includes visor clip. K eyless Ent ry: Enables homeowner to operate garage door opener from outside by entering code on specially designed keyboard. Outside K eylock: Open[...]

Index Access Door/Outside Key Release Accessory ...............................................................................................4, 5 Chain Tension ..............................................................................................................................................4, 5, 11 Electrical Safety Warnings ..........[...]

LIFT -MASTER GARA GE DOOR OPENER ONE-YEAR LIMITED W ARRANTY Chamber lain/Lift-Master w arr ants to the first retail purchaser of this product that it will be free from an y defect in materials and/or workmanship for a period of twelve full months from the date of purchase. The product must be used in complete accordance with Lift- Master's ins[...]