LiftMaster K29-2 Manuel D'installation

INTRODUCTION
The resistor on LiftMaster
has changed and replacing with this resistor may
require additional steps. Follow the instructions
below to install the K29-2 resistor.
INSTRUCTIONS
1. Disconnect power.
2. Disconnect current resistor wiring.
3. Unscrew and remove the current resistor.
4. Use the template at the bottom of this page to
identify where a hole will need to be drilled. Line
up one of the existing holes on the electrical box
with one of the holes on the template. Mark the
location of the other hole on the template so it is
clear where a hole will need to be drilled.
5. Drill through the marked hole. Be sure to remove
any metal shavings that may have fallen into the
electrical box.
6. Place tinnerman nut
"black square washer"
in the mounting holes
of the NEW resistor.
7. Screw in new resistor.
8. Remove template
Connect wires to
new resistor.
9. Connect power.
Template
Resistor Edge
3/16"
Drill
Here
® Medium Duty Operators
2.44"
Center on
Existing Hole
To avoid SERIOUS personal INJURY or DEATH:
• Disconnect electric power BEFORE performing
ANY adjustments or maintenance.
• ALL maintenance MUST be performed by an
Authorized Service Technician.
• BEFORE attempting to install, operate or maintain
the operator, you MUST read and fully understand
this manual and follow ALL safety instructions.
• DO NOT attempt repair or service of your
commercial door and gate operator unless you are
an Authorized Service Technician.
WARNING : This product can expose you to
chemicals including lead, which are known to
the State of California to cause cancer or birth
defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.
5.54"
.984"
K29-2 Resistor Installation
FOR MEDIUM DUTY OPERATORS
2.49"
1.69"
3/16"
Drill
Here
.37"