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11 reattach motor assembly, 12 attach operator to gate and bracket, 13 for model ga420d only – Chamberlain RESIDENTIAL GATE OPERATOR GA420D User Manual

Page 20: 14 warning sign placement

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Moving Gate Can Cause

Injury or Death

KEEP CLEAR! Gate may move at any
time without prior warning.

Do not let children operate the gate or
play in the gate area.

This entrance is for vehicles only
Pedestrians must use separate entrance

THIS SIDE

TO GA

TE

Attach Operator to Gate and Bracket

Make sure “THIS SIDE TO GATE” label faces the gate
when reattaching operator to gate. Tighten all bracket
connections.

Gate Post

Gate

Inside Property

Fence

Installation 20

Warning Sign Placement

Warning placards MUST be installed on both
sides of the gate and in plain view. Fasten to
gate with cable ties.

To prevent SERIOUS INJURY or DEATH from a moving gate:
• Install warning signs on the front and back of the gate

in PLAIN VIEW.

• Permanently secure each warning sign in a suitable manner

using fastening holes.

ATTENTION

AVERTISSEMENT

AVERTISSEMENT

AVERTISSEMENT

WARNING

WARNING

CAUTION

WARNING

WARNING

PRECAUCIÓN

ADVERTENCIA

ADVERTENCIA

ADVERTENCIA

For Model GA420D Only

Repeat Steps 1-12 for second operator.

11

12

13

14

Arm

Motor

Screws

Arm Cover

Reattach Motor Assembly

Slide motor assembly onto arm and secure
with screws (4).

NOTE: Turn operator over

to re-install screws. Attach arm cover.

If installing a second gate operator repeat
steps 1-12.

NOTE: The arm brackets must be reversed
or mirrored on the second operator.

“THIS SIDE TO GATE”

label MUST face the gate.

NOTE: Motor housing screws must
be fully tightened with screw heads
recessed below housing surface.

GATE TRAVEL
PATH

This manual is related to the following products: