Chamberlain WD822KS Manuel d'utilisateur télécharger pdf (Page 14)

INSTALLATION STEP 3

Attach the Rail to the Header

Bracket

NOTE: (Optional) With some existing installations,

you may re-use the old header bracket with the two

plastic spacers included in the hardware bag. Place

the spacers inside the bracket on each side of the

rail, as illustrated.

• Position the opener on the garage floor below the

header bracket. Use packing material as a

protective base. NOTE: If the door spring is in the

way you’ll need help. Have someone hold the

opener securely on a temporary support to allow

the rail to clear the spring.

• Position the rail bracket against the header

bracket.

• Align the bracket holes and join with a clevis pin

5/16"x1-1/2" as shown.

• Insert a ring fastener to secure.

Opener Carton or

Temporary

Support

Header Bracket

Idler Pulley

Header Wall

OPTION WITH

SOME EXISTING

INSTALLATIONS

Header

Bracket

Mounting

Hole

Existing

Header Bracket

Spacer

Mounting

Hole

Existing

Clevis Pin

Clevis Pin 5/16

"x1-1/2"

Ring Fastener

Garage

Door

HARDWARE SHOWN ACTUAL SIZE

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 39 40

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Chamberlain WD822KS Manuel d'utilisateur Page 14

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