LiftMaster J door operator - Manual (Page 11)

11
TROLLEY
Typical installation - Trolley
ATTACH THE TRACK TO THE HEADER BRACKET
HANG THE OPERATOR
1 Secure the operator using the appropriate fasteners and
locking hardware that will support the weight of the operator.
1
1
3
2
To avoid possible SERIOUS INJURY from a falling operator:
• Fasten the operator SECURELY to structural supports of the
building.
• Concrete anchors MUST be used if installing ANY brackets
into masonry.
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
WARNING
CAUTION CAUTION
WARNING
WARNING
PRECAUCIÓN ADVERTENCIA
ADVERTENCIA ADVERTENCIA
1
Align the track with the header bracket.
2
3
Insert the pin through the track and header bracket holes.
Secure with the fasteners.
Swing the operator up and ensure the operator is level.
HARDWARE
Header Pivot Pin (1)
Cotter pins (2)