Universal Replacement Instructions
Screw Drive Motor
You will need a 1/4" magnetic nut driver, long-nosed pliers,
and a 5/16 long-shafted magnetic nut driver.
1. Disconnect power to the opener.
2. Remove the cover.
3. Remove endpanels.
4. Unplug the wire harness (A) from the RPM sensor.
5. Observe the 3 wires leading from the motor and note
their position for reassembly:
• Disconnect the single white wire from the terminal
block (B).
• Disconnect the other two (red and blue) from the
capacitor (C).
6. Remove the 4 screws (D) fastening the motor bracket to
the chassis, using a 5/16 long-shafted magnetic driver.
Hand-support motor before removing final screw.
7. Remove entire motor/bracket assembly and discard.
8. Replace with new motor.
9. Reverse steps 2-7 to reassemble.
10. Reconnect power.
NOTE: A test of the Safety Reverse System is necessary for safe
operation. Follow the instructions on side two or in your
owner’s manual.
To prevent possible SERIOUS INJURY or DEATH from
electrocution, disconnect power to opener BEFORE
proceeding.
The garage door MUST be in the fully closed position during
installation.
D
D
D
D
C
B
A
1
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