Chamberlain 985 Manual do Utilizador descarregar pdf (Página 11)

Header

Bracket

Chain

Pulley

Bracket

Temporary

Support

Header Wall

Garage

Door

T-rail

Clevis Pin

5/16"x2-3/4 "

Ring Fastener

Header Bracket

Chain

Pulley

Bracket

T-rail

• Position the opener on the garage floor below the

header bracket. Use packing material as a

protective base.

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 T-rail to clear the

spring.

• Position the chain pulley bracket against the header

bracket.

• Align the bracket holes and join with a clevis pin as

shown.

• Insert a ring fastener to secure.

Installation Step 3

Attach the T-rail to the Header Bracket

Clevis Pin

5/16"x2-3/4"

Ring Fastener

Hardware Shown Actual Size

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 35 36

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Chamberlain 985 Manual do Utilizador Página 11