Table of Contents
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Please read this manual and the enclosed safety materials carefully!
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Fasten the manual near the garage door after installation.
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The door WILL NOT CLOSE unless the Protector System
properly aligned.
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Periodic checks of the opener are required to ensure safe operation.
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The model number label is located on the front end panel of your opener.
Garage Door Opener
Owner's Manual
For Residential Use Only
Model 622-2MM
1/2HP
Manufactured for
TruServ, Chicago, IL
60631-3505
®
®
is connected and
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Table of Contents
Summary of Contents for MasterMechanic 622-2MM
- Page 1 ® Garage Door Opener Owner’s Manual For Residential Use Only Model 622-2MM 1/2HP Please read this manual and the enclosed safety materials carefully! Fasten the manual near the garage door after installation. The door WILL NOT CLOSE unless the Protector System ®...
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Page 2: Table Of Contents
Contents Page Contents Page A review of safety alert symbols ....2 Install the lights and lenses ....19 You'll need tools . -
Page 3: You'll Need Tools
You'll Need Tools During assembly, installation and adjustment of the opener, instructions will call for hand tools shown below. Pencil Carpenter's Level Hack Saw Tape Measure Wire Cutters Drill Claw Hammer 3/16", 5/16" and 5/32" Drill Bits Pliers 1/2" and 7/16" Sockets Stepladder Screwdriver Adjustable End Wrench... -
Page 4: Illustration Of Sectional Door Installation
Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. You may find it helpful to refer back to this page as you proceed with the installation of your opener. SECTIONAL Door Installation FINISHED CEILING Support bracket &... -
Page 5: Illustration Of One-Piece Door Installation
Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. You may find it helpful to refer back to this page as you proceed with the installation of your opener. One-Piece Door Without Track ONE-PIECE Door Installation Header Wall... -
Page 6: Carton Inventory
Carton Inventory Your garage door opener is packaged in one carton which contains all parts illustrated below. If anything is missing, carefully check the packing material. Parts may be "stuck" in the foam. Hardware for assembly and installation is shown on page 7. SECURITY Multi-Function 2-Conductor Bell Wire... -
Page 7: Hardware Inventory
Hardware Separate all hardware from the packages in the rail carton and the opener carton as shown below, for the assembly and installation procedures. ASSEMBLY HARDWARE Hex Screw Washered Screw Carriage Bolts 5/16" - 18 x 7/8" (3) 5/16" - 18 (5) 5/16"... -
Page 8: Assembly Section: Pages
Assembly Section: Pages 8 – 11 To avoid installation difficulties, do not run the garage door opener until instructed to do so. Assembly Step 1 Assemble the T-rail T-RAIL BACK Cable Pulley & Attach the Cable Pulley Bracket (TO OPENER) Bracket •... -
Page 9: Install Trolley
Hardware Shown Assembly Step 2 Actual Size Install the Trolley on the T-rail • Attach the threaded shaft to the trolley with the Lock Washer Trolley lock washer and nuts as shown. 5/16" 5/16" - 18 Inner Nut 5/16" Lock Washer 5/16"... -
Page 10: Install Chain/Cable
Assembly Step 4 WARNING Install the Chain/Cable Serious injury can result if fingers become & Attach the Sprocket Cover entangled in moving opener sprocket. Attach sprocket cover securely. Never operate opener while your hand is near the opener sprocket. Dispensing Carton Figure 2 Leave Chain and Cable Inside Dispensing... -
Page 11: Tighten The Chain And Cable
Assembly Step 5 Tighten the Chain & Cable • Spin the inner nut and lock washer down the Lock Inner Nut Outer Nut Washer threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction To Tighten Outer Nut shown. -
Page 12: Installation Section: Pages
Installation Section: Pages 12 – 27 Installation Step 1 WARNING Determine Header Bracket Location If the header bracket is not rigidly fastened to Installation procedures vary according to a structural support on the header wall or garage door types. Follow the instructions ceiling, the safety reverse system may not which apply to your door. -
Page 13: One-Piece Door
ONE-PIECE Door Without Track Read the Safety Instructions on page 12. They also apply to doors without tracks. Unfinished Header Wall Ceiling Vertical Centerline • Close the door and mark the Structural Supports inside vertical centerline of your garage door. Extend the line onto the header wall above door. -
Page 14: Install The Header Bracket
You can attach the header bracket either to the Installation Step 2 wall above the garage door, or to the ceiling. Follow the instructions which will work best for Install the Header Bracket your particular requirements. Fasten the Header Bracket to the Wall •... -
Page 15: Attach The T-Rail To Header Bracket
Installation Step 3 Attach the T-rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use packing material as a protective base. Header Wall If the door spring is in the way you'll need help. Header Have someone hold the opener securely on a Bracket... -
Page 16: Position The Opener
Installation Step 4 CAUTION CAUTION Position the Opener To prevent damage to steel, aluminum, Follow instructions which apply to your door fiberglass or glass panel doors, do not rest the type as illustrated. opener on the door without using a 2x4. SECTIONAL Door &... -
Page 17: Hang The Opener
Installation Step 5 WARNING Hang the Opener The opener could fall and injure someone if it is not properly secured. Fasten the opener securely to structural supports of the garage. Two representative installations are shown. Yours may be different. Hanging brackets should be angled, Figure 1, to provide rigid support. -
Page 18: Install The Door Control
Installation Step 6 WARNING Install the Multi-Function Door Control Panel DO NOT CONNECT TO LIVE ELECTRICAL WIRING. CONNECT ONLY TO 24 VOLT LOW VOLTAGE WIRES. CONNECTION TO LIVE WIRES OR HIGHER Locate the door control within sight of the door at VOLTAGE MAY CAUSE SERIOUS INJURY FROM a minimum height of 5 feet where small children SHOCK, BURN OR ELECTROCUTION. -
Page 19: Install The Lights And Lenses
• Attach the User Safety Instruction label to the wall Do NOT connect the power and operate the opener near the door control, and the Maintenance at this time. The trolley will travel to the full open Instruction label in a prominent location on the position but will not return to the close position until inside of the garage door. -
Page 20: Electrical Requirements
Installation Step 9 WARNING Electrical Requirements To prevent electrocution or fire, installation and wiring must be in compliance with local electrical and building codes. To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third Do NOT use an extension cord, 2-wire adapter, grounding pin. -
Page 21: The Protector System
The Protector System ® IMPORTANT INFORMATION ABOUT THE SAFETY WARNING REVERSING SENSOR The safety reversing sensor must be connected Without a properly working safety reversing and aligned correctly before the garage door sensor, persons (particularly children) could be opener will move in the down direction. This is a injured or killed by a closing garage door. -
Page 22: Install The Safety Reversing Sensor
Figure 2 DOOR TRACK MOUNT (Right Side) Installation Step 10 Install the Safety Reversing Sensor Door Track INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Indicator Install and align the brackets so the sensors will face light each other across the garage door, with the beam from 4 –... - Page 23 MOUNTING AND WIRING THE SAFETY SENSORS Figure 5 • Slide a 1/4"-20x1/2" carriage bolt head into the slot Wing nut on each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a bracket extension.
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Page 24: Fasten Door Bracket (Sectional Door)
Installation Step 11 CAUTION CAUTION Fasten Door Bracket To prevent damage to steel, aluminum, fiberglass or glass panel doors, always reinforce the inside of the door both vertically and horizontally with an angle iron. Follow instructions which apply to your door type as illustrated below or on the following page. -
Page 25: Fasten Door Bracket (One-Piece Door)
ONE-PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page. They apply to one-piece doors also. • Center the door bracket on the top of the door, in line with the header bracket as shown. Mark either the left and right, or the top and bottom holes. -
Page 26: Connect Door Arm To Trolley (Sectional Door)
Installation Step 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on page 27. SECTIONAL Doors Only Make sure garage door is fully closed. Pull the manual release handle to disconnect the outer trolley from the inner trolley. -
Page 27: Connect Door Arm To Trolley (One-Piece Door)
All ONE-PIECE Doors Assemble the Door Arm: • Fasten the straight and curved door arm sections Ring Door together to the longest possible length (with a 2 or Fastener Bracket Nuts 3 hole overlap). Lock 5/16"-18 Washers • With the door closed, connect the straight door arm 5/16"... -
Page 28: Adjustment Section: Pages
Adjustment Section: Pages 28 – 30 Adjustment Step 1 WARNING Adjust the UP and DOWN Limits Improper adjustment of the travel limits will Do not make any limit adjustments until the interfere with the proper operation of the safety safety reversing sensors are completely reverse system. -
Page 29: Force Adjustments
Adjustment Step 2 WARNING Adjust the Force Too much force on the door will interfere with the proper operation of the safety reverse Force adjustment controls are located on the back system. The door might not reverse properly panel of the opener. Force adjustment settings when required and could seriously injure or regulate the amount of power required to open and kill someone under it. -
Page 30: Test The Protector System
Adjustment Step 3 WARNING Test The Protector System ® Without a properly working safety reversing sensor, persons (particularly children) could be • Press the remote control push button to open the seriously injured or killed if trapped by a closing door. -
Page 31: Operation Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING To reduce the risk of severe injury or death to persons: 1. READ AND FOLLOW ALL INSTRUCTIONS. 2. Do not permit children either to operate or to play with the opener. Keep remote control in a location inaccessible to children. -
Page 32: Operation Of Your Opener
Operation of Your Opener Activate opener with any of the following: WARNING 1. The Remote Control: Hold the large push button down until the door starts to move. 2. The Door Control: Hold the push bar down until the Weak or broken springs could allow an open door starts to move. -
Page 33: Receiver And Remote Control Programming
Receiver and Remote Control Programming To comply with FCC rules, adjustment or modification of this receiver and/or transmitter is prohibited, except for changing the code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS. Your garage door opener receiver and remote control transmitter have been set at the factory to a matching WARNING code. -
Page 34: Having A Problem
Having a Problem? Situation Probable Cause & Solution 1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, The opener doesn't check the fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.) operate from either the door control or 2. - Page 35 Having a Problem? (continued) Situation Probable Cause & Solution The door opens but 1. If the opener lights blink, check the safety reversing sensor. See page 23. won't close: 2. If the opener lights do not blink and it is a new installation, check the down force. See Adjustment Step 2, page 29.
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Page 36: Repair Parts, Rail Assembly
Repair Parts Rail Assembly Parts PART DESCRIPTION 1A995 Master link kit 41A3489 Complete trolley assembly 183B112 Rail braces (each) 183B111 T-rail – center sections (each) 183B113 T-rail – end sections (each) 41A3473 Chain and cable 41B2616 Cable pulley bracket assembly 83A4 Rail Grease NOT SHOWN... -
Page 37: Repair Parts, Opener Assembly
Repair Parts Opener Assembly Parts (Down) LIMIT SWITCH ASSY. Contact Brown Wire Grey Wire Drive Gear Center Limit (Up) Yellow Contact Contact Wire PART PART DESCRIPTION DESCRIPTION 31D380 Sprocket cover 41D3058 Universal replacement motor & 41C4220A Gear and sprocket assembly bracket assembly Complete with: Complete with: motor, worm, bracket, bearing... -
Page 38: Accessories
Accessories Available for your Opener SECURITY Multi-Function Mini 956MM 7702CB Outside Quick Release: Remote Control: Required for a garage with NO With key ring and Velcro fastening strip. access door. 950MM 8 foot Rail Extension Kit: SECURITY Single Function 7704CB Remote Control: To allow an 8 foot door to open fully. -
Page 39: Index
Index Access Door/Outside Quick Release Accessory...................4, 5 Chain Tension ..............................4, 5, 11 Electrical Safety Warnings........................2, 20, 31 Garage Door Testing for balance, binding and sticking....................3, 28, 31 Determining high point of travel: Sectional Door ..............................12 One-Piece Door ..............................13 Disabling existing locks............................3, 11 Force Controls Adjustment Procedures ............................29 Problems that might require Force adjustments ..................34, 35... -
Page 40: How To Order Repair Parts
MASTER MECHANIC/CHAMBERLAIN GARAGE DOOR OPENER ONE-YEAR LIMITED WARRANTY The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it will be free from any defect in materials and/or workmanship for a period of one year from the date of purchase.