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ALL MODELS IN ARE BOLD ARE DELUXE (2 LIGHTS)
550
450
350
240
150
140
Owners Manual
Garage Door Opener
MODEL
550-9
450-9
350-9
240-9
150-9
140-9
250-9TV
140-9TV
THE CHAMBERLAIN GROUP, INC.
A Unit of Duchossois Industries, Inc.
845 Larch Ave., Elmhurst, Ill. 60126
NUMBERS
550-6
450-6
350-6
240-6
150-6
140-6
140-6TV
550-9TV
500-9TV
450GM
140GM
550TV
500TV
250TV
140TV
550-6TV
500-6TV
250-6TV

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Summary of Contents for Chamberlain 140

  • Page 1 THE CHAMBERLAIN GROUP, INC. A Unit of Duchossois Industries, Inc. 845 Larch Ave., Elmhurst, Ill. 60126 Owners Manual Garage Door Opener ALL MODELS IN ARE BOLD ARE DELUXE (2 LIGHTS) MODEL NUMBERS 450GM 550-9 550-6 450-9 450-6 140GM 350-9 350-6...
  • Page 2: Features Of Your Opener

    FEATURES OF YOUR OPENER 1. Opener Lights: Turn on and off automatically with 4-1/2 5. Motor Power: Permanently lubricated motor with automatic minute illumination for your safety and convenience. Provide reset. constant LIGHT when Light Switch is ON. 6. Digital Radio Controls: Codes can be easily changed by the 2.
  • Page 3 Adjustment STEP 1 Adjust UP and DOWN Limits LIMIT ADJUSTMENT settings regulate the points at which the door will stop when moving up or down. NOTE: Door STOPS in the UP direction if anything interferes with door travel. Door REVERSES in the DOWN direction if anything interferes with the door travel (including binding or unbalanced doors).
  • Page 4 STEP 2 Adjust Force DO NOT USE FORCE ADJUSTMENTS TO COMPENSATE FOR A BINDING OR STICKING GARAGE DOOR. EXCESSIVE FORCE WILL INTERFERE WITH PROPER OPERATION OF SAFETY REVERSE SYSTEM OR DAMAGE GARAGE DOOR. Force Adjustment Controls are located on rear panel of opener. FORCE ADJUSTMENT settings regulate amount of the power required to open and close door.
  • Page 5: Test Safety Reverse System

    Adjustment STEP 3 Test Safety Reverse System THE SAFETY REVERSE SYSTEM TEST IS IMPORTANT. GARAGE DOOR MUST REVERSE ON CONTACT WITH A ONE INCH OBSTACLE PLACED ON THE FLOOR. FAILURE TO PROPERLY ADJUST OPENER MAY RESULT IN SERIOUS PERSONAL INJURY FROM A CLOSING GARAGE DOOR. REPEAT TEST AT LEAST FOUR TIMES A YEAR AND ADJUST AS NEEDED..
  • Page 6: Radio Controls

    Radio Controls F.C.C. rules prohibit adjustments to or modification of receiver and/or transmitter circuitry except for changing the code setting and replacing the transmitter battery THERE ARE NO USER SERVICEABLE PARTS. Manufactured under 1 or more of the following U.S. patents: RE29,525; 4,037,201; 4,750,118; 4,806,930 Your garage door opener receiver and transmitter have been set at the factory to a matching code.
  • Page 7: Repair Parts

    Repair Parts RAIL ASSEMBLY PARTS PART DESCRIPTION 1A995 Master link kit 41B617 Outer trolley 41B277 Inner trolley 12A197 Chain retainer bracket 183B73 Rail braces 183B94 Tee rail-end section (each) 183B71 Tee-rail-end section (each) 41B2616 Cable Pulley and bracket assy. 41C2735 Chain and cable NOT SHOWN 41A2848...
  • Page 8: Chassis Assembly Parts List

    31C290 Sprocket cover 41A3150 Terminal block w/screws 41A2827 Gear and sprocket assy 41D3058 Universal replacement motor 41D2750 Cover w/all labels (550) Complete with: 41D2751 Cover w/all labels (350) Spring washer 41A2818 Helical gear & retainer w/grease Thrust washer Retaining ring...
  • Page 9 Chamberlain s instructions for installation, operation and care. LIMITED WARRANTY ON MOTOR Models 550 & 550-2M: The motor is warranteed to be free from any defect in materials and/or workmanship or a period of 60 full months (5 years) from the date of purchase.
  • Page 10 ACCESSORIES FOR YOUR GARAGE DOOR OPENER ORIGINAL SUBSTITUTE DESCRIPTION MODEL# TO USE 750CB Single Function Remote 753CB Three Button Remote 756CB Mini Multi Function Remote 41A3685 Wall Control Panel (4 wire) 65LM 65LM Keyless Entry (Wired) 760CB Outside Keyswitch 1702CB 7702cb Quick Release Lock(...

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