Chamberlain 995XD Fasten the Rail to the Motor Unit and Install the Trolley

ASSEMBLY STEP 2

Fasten the Rail to the Motor Unit and Install the Trolley

NOTE: To aid in assembly and installation, replace the foam packing around the motor unit. Remove it after Installation Step 4.

1.Working on a level surface, align the rail assembly with the motor unit, as shown.

2.Slip the coupling over the rail sprocket.

3.Slide the rail through the motor unit bracket until the coupling fits securely over the motor unit sprocket.

4.Align the four bolt holes in the rail with those in the motor unit bracket. Insert four 1/4"-20x7/16" hex bolts. Tighten securely with a 3/8" socket wrench.

5.Disengage trolley by turning the release arm down (arrow pointing up). Slide trolley onto and along the bottom of the rail until it aligns with the rack. Turn release arm up (arrow pointing away from motor unit. This will join the rack and the trolley.

Hex Bolts 1/4-20x7/16"

Coupling

Rail

Sprocket

HARDWARE SHOWN ACTUAL SIZE

Hex Bolt 1/4-20x7/16"

Motor Unit

Bracket Motor Unit

Sprocket

Hex Bolts 1/4-20x7/16"

Rail	Foam Packaging
Assembly

	Arrow must point up
Release arm	Rack
	Trolley
	To the motor unit

10

Contents

For Residential Use Only Introduction2-7 Assembly Installation11-26 Adjustment27-29 Operation30-34 Preparing your garage door Tools needed Planning Planning (Continued) Carton Inventory Hardware Inventory Assemble the Rail Assemble the Rail (continued) Fasten the Rail to the Motor Unit and Install the Trolley Attach the Rail Brackets Determine the Header Bracket Location Install the Header Bracket Attach the Rail to the Header Bracket Install The Protector System® INSTALLING THE BRACKETS Garage door track installation (preferred): Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY SENSORS Recommended Wire Routing Position the Opener Hang the Opener Install the Door Control Install the Lights Attach the Emergency Release Rope and Handle Electrical Requirements Complete the Safety Reversing Sensor Installation Fasten the Door Bracket ONE-PIECEDOORS Metal Doors: Connect Door Arm to Trolley ALL ONE-PIECEDOORS 1. Assemble the door arm, Figure 4: 2. Adjustment procedures, Figure 5: • Open door adjustment: decrease UP travel limit 3. Connect the door arm to the trolley: Adjust the UP and DOWN Travel Limits Adjust the Force Test the Safety Reversal System Test The Protector System® Using Your Garage Door Opener Using the Wall-MountedDoor Control To Open the Door Manually CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Repeat the safety reverse test (Adjustment Step 3, page 29) after any adjustment of limits or force HAVING A PROBLEM My door will not close and the light bulbs blink on my motor unit: 2.My remotes will not activate the door: My door reverses for no apparent reason: 5.My lights will not turn off when door is open: 1 FLASH 2 FLASHES 3 FLASHES 4 FLASHES 5 FLASHES To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemotes To Add, Reprogram or Change a Keyless Entry PIN Rail Assembly Parts Motor Unit Assembly Parts ACCESSORIES 953D 3-ButtonSecurity✚® Remote Control: 935CB Motion Detecting Control Panel: 940D CHAMBERLAIN® ONE-YEARLIMITED WARRANTY LIFETIME MOTOR WARRANTY