Chamberlain B2212T Installation Manual - English - Page 22

STEP 9 Connect the Door Arm to the Trolley

Get Chamberlain B2212T PDF manuals and user guides View all Chamberlain B2212T manuals
Add to My Manuals
Save this manual to your list of manuals

Page 22 highlights

Installation STEP 9 Connect the Door Arm to the Trolley Installation will vary according to the garage door type. Follow the instructions which apply to your door. OPTION A - SECTIONAL DOORS IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm. 1. Close the door. Disconnect the trolley by pulling the emergency release handle. 2. Attach the straight door arm to the outer trolley using the clevis pin. Secure with the ring fastener. 3. Attach the curved door arm to the door bracket using the clevis pin. Secure with the ring fastener. 4. Bring arm sections together. Find two pairs of holes that line up and join sections. Select holes as far apart as possible to increase door arm rigidity and attach using the bolts, nuts, and lock washers. 5. Pull the emergency release handle toward the garage door opener until the trolley release arm is horizontal. The trolley will re-engage automatically when the garage door opener is activated. NOTE: If the holes in the curved door arm and the straight door arm do not align, reverse the straight door arm, select two holes (as far apart as possible) and attach using bolts, nuts, and lock washers. If the straight door arm is hanging down too far, you may cut 6" (15 cm) from the solid end. Clevis Pin 5/16"x1-1/4" Ring Fastener HARDWARE Clevis Pin 5/16"x1" Lock Washer 5/16"-18 Hex Bolt 5/16"-18x7/8" Nut 5/16"-18 Ring Fastener Lock Washer Nut Clevis Pin 5/16"x1" Hex Bolt Clevis Pin 5/16"x1-1/4" Cut If Needed 22 Straight Door Arm (Groove facing out) Curved Door Arm

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
22
Installation
STEP 9 Connect the Door Arm to the Trolley
Installation will vary according to the garage door type. Follow the instructions which apply to your door.
OPTION A - SECTIONAL DOORS
IMPORTANT:
The groove on the straight door arm MUST face away from the curved door arm.
1.
Close the door. Disconnect the trolley by pulling the emergency release handle.
2.
Attach the straight door arm to the outer trolley using the clevis pin. Secure with the ring fastener.
3.
Attach the curved door arm to the door bracket using the clevis pin. Secure with the ring fastener.
4.
Bring arm sections together. Find two pairs of holes that line up and join sections. Select holes as far
apart as possible to increase door arm rigidity and attach using the bolts, nuts, and lock washers.
5.
Pull the emergency release handle toward the garage door opener until the trolley release arm is
horizontal. The trolley will re-engage automatically when the garage door opener is activated.
NOTE:
If the holes in the curved door arm and the straight door arm do not align, reverse the straight door
arm, select two holes (as far apart as possible) and attach using bolts, nuts, and lock washers. If the straight
door arm is hanging down too far, you may cut 6" (15 cm) from the solid end.
HARDWARE
Hex Bolt 5/16"-18x7/8"
Nut 5/16"-18
Lock Washer
5/16"-18
Clevis Pin 5/16"x1"
Clevis Pin 5/16"x1-1/4"
Ring Fastener
Lock Washer
Nut
Hex Bolt
Clevis Pin
5/16"x1-1/4"
Cut If Needed
Ring Fastener
Clevis Pin
5/16"x1"
Straight
Door Arm
(Groove
facing out)
Curved
Door Arm