Installation; Important Installation Instructions; Introduction - LiftMaster LJ8950W Manuel

Installation

IMPORTANT INSTALLATION INSTRUCTIONS

To reduce the risk of SEVERE INJURY or
1. READ AND FOLLOW ALL INSTALLATION WARNINGS
AND INSTRUCTIONS.
2. Install door operator ONLY on properly balanced and
lubricated door. An improperly balanced door may
NOT reverse when required and could result in SEVERE
INJURY or DEATH.
3. ALL repairs to cables, spring assemblies and other
hardware MUST be made by a trained door systems
technician BEFORE installing operator.
4. Disable ALL locks and remove ALL ropes connected to
door BEFORE installing operator to avoid entanglement.
5. If the operator must be installed less than 2.44m (8 ft.)
above the floor, then exposed moving parts must
be protected by covers or guarding, provided by the
operator manufacturer.
6. Mount the emergency release within reach, but at least
6 feet (1.83 m) above the floor and avoiding contact
with vehicles to avoid accidental release.
7. NEVER connect door operator to power source until

Introduction

Identify the door type for your installation and review the requirements before beginning
installation.
LIVE SHAFT DOOR
The axle rotates with the drum and door assembly when the door is opened or closed.
DEAD SHAFT DOOR
The axle is locked in place while the door opens and closes.
Rotating Shaft
LIVE SHAFT DOOR
DEATH:
instructed to do so.
8. NEVER wear watches, rings or loose clothing while
installing or servicing operator. They could be caught in
door or operator mechanisms.
9. Install wall-mounted door control:
• within sight of the door.
• out of reach of children at a minimum height of 5
feet (1.5 m) above floors, landings, steps or any
other adjacent walking surface.
• away from ALL moving parts of the door.
10. Install the Emergency Release Marking. Attach the
marking on or next to the emergency release. Install the
Entrapment Warning Placard next to the door control in
a prominent location.
11. Place emergency release/safety reverse test label in plain
view on inside of door.
12. Upon completion of installation, test safety reversal
system. Door MUST reverse on contact with a 1-1/2"
(3.8 cm) high object (or a 2x4 laid flat) on the floor.
Fixed Shaft
6
DEAD SHAFT DOOR