Preparation / Door Balance Test; Tools Required - Guardian 715BBU Owner's Manual

Preparation
To prevent SERIOUS INJURY or DEATH:
- Before beginning installation of the Opener please complete the following test to ensure that your door is
balanced and in good working condition.
- A poorly balanced door can cause serious injury and damage to the Opener.
- Always have a qualified garage door service technician make any required adjustments and/or repairs to
your door before proceeding with installation.
- DISABLE ALL LOCKS and REMOVE ALL ROPES connected to the garage door BEFORE installing
and/or operating the Opener.
To prevent damage to the door and Opener:
- DO NOT connect power until instructed.
- Operate this Opener with AC 120V/60Hz power supply ONLY.
Sectional Garage Door

Tools Required

Step Ladder
WARNING
!
BEFORE Beginning Installation:
1.
2.
To Test Your Garage Door
1.
2.
3.
Call a qualified garage door service technician if your door binds,
sticks or is unbalanced.
Level
Pencil
Screwdriver
Adjustable Wrench
Disable locks and remove all ropes connected to the
garage door.
Perform the following door test to ensure your door is
balanced and in good working condition.
Raise and lower the door to check if there is any sticking or
binding.
Check for loose hinges, damaged rollers, frayed cables and
damaged or broken springs.
Lift the door approximately halfway and release. The door
should stay at the point under proper spring tension.
Tape Measure
Pliers
Ratchet with
7/16" & 1/2" sockets
Drill, 3/16" and 5/16" Drill Bits
Hack Saw
Rubber Mallet
Hammer
5