Chamberlain PD220 Assembly Instructions

16
Installation
STEP 8 Install the door bracket
Fiberglass, aluminum or lightweightsteel garage doors WILLREQUIRE reinforcement BEFORE
installation of door bracket.Contact the garage door manufacturer or installing dealer for opener
reinforcement instructions or reinforcement kit. Failure to reinforce the top section asrequired
according to the door manufacturer mayvoid the door warranty.
A horizontal and vertical reinforcementis needed for
lightweight garage doors (fiberglass,aluminum,steel,
doors with glass panel, etc.) (not provided). A horizontal
reinforcement brace should be long enough to be secured
to two or three vertical supports.A vertical reinforcement
brace should cover the heightof the top panel.Contact the
garage door manufacturer or installing dealer for opener
reinforcement instructions or reinforcement kit.
NOTE: Many door reinforcement kits provide for direct attachment ofthe clevis pin and door arm. In this
case you will not need the door bracket; proceed to the next step.
Self-Threading Screw
1/4"-14x5/8"
HARDWARE
OPTION A SECTIONAL DOORS
1. Center the door bracket on the previouslymarked vertical centerline used for the header bracket
installation. Note correct UP placement, asstamped inside the bracket.
2. Position the top edge ofthe bracket2"-4" (5-10 cm) below the top edge of the door, OR directly
below any structural support across the top ofthe door.
3. Mark,drill holes and install as follows, depending on your door’s construction:
Metal orlight weight doors using a verticalangle iron brace between the doorpanelsupport and
the door bracket:
l Drill 3/16" fastening holes. Secure the door bracketusing the two 1/4"-14x5/8" selfthreading
screws. (Figure 1)
l Alternately,use two 5/16"-18x2" bolts, lock washers and nuts (not provided). (Figure 2)
Metal, insulated orlight weight factory reinforced doors:
l Drill 3/16" fastening holes. Secure the door bracketusing the self-threading screws. (Figure 3)
WoodDoors:
l Use top and bottom or side to side door bracket holes. Drill 5/16" holes through the door and
secure bracket with 5/16"-18x2" carriage bolts,lockwashers and nuts(not provided). (Figure 4)
NOTE: The 1/4"-14x5/8" self-threading screws are not intended for use on wood doors.
FIGURE 1
FIGURE 3
FIGURE 4
FIGURE 2
Vertical
Reinforcement
Vertical Centerline
of Garage Door
UP
Door Bracket
Vertical Reinforcement
Vertical Centerline
of Garage Door
Hardware
(not provided)
Door Bracket
UP
Vertical
Centerline
of Garage
Door
UP
Vertical Centerline of
Garage Door
Hardware
(not provided)
UP
Inside Edge of Door or
Reinforcement Board
Self-Threading Screw
1/4"-14x5/8"
Self-Threading
Screw
1/4"-14x5/8"

Chamberlain PD220 Specifications

General

Brand	Chamberlain
Model	PD220
Category	Garage Door Opener
Language	English