36428R.S - Motor Drive Board Installation Instructions

PDF Replacement Instructions for the 36428R.S Motor Drive Board 

Motor Drive Board Replacement (36428R.S)

1. Remove Power from Operator.


2. Lower or remove Lens Cover (Fig. 1).
• Excelerator—Push Lens Latches to release (Fig. 1A).
• Model 4060 Series, loosen 4 Phillips head self-tapping screws at the top of the light lens and remove the lens (Fig. 1B).

3. Remove Light Bulbs to prevent damage.


4. Remove Motor Cover (Fig. 2).
• Remove four #8-32 x 1" Phillip Screws.

5. Remove Motor Drive Board (Fig. 3).
• Disconnect Ribbon Cable from Controller Board.
• Disconnect Wire Harness from Motor Drive Board.
– Existing wire harness could have two connectors, one 9 position, and one 4 position connector or just one 11 position connector.
• Remove two #8-32 x 3/8" screws from Motor Drive Board.

6. Install new Motor Drive Board (Fig. 3).
• Align holes on Motor Drive Board with holes on Top Plate Assembly.
• Attach Motor Drive Board with two #8-32 x 3/8" screws.
• Attach Ribbon Cable from Motor Drive Board to Controller Board.
• Attach Wire Harness to Motor Drive Board. For existing 11 position harness.Use Adapter (Fig. 4).
1. 4 position connector to 4 position connector on motor drive board.
2. 9 position connector to 9 position connector on motor drive board.
3. 11 position adapter to existing 11 position wire harness.

NOTE: Tuck the adapter connectors up between the motor and motor drive board to allow replacement of the motor cover (Fig. 5).

For existing 9 and 4 position harness.
No Adapter.
1. 4 position connector to 4 position connector on motor drive board.
2. 9 position connector to 9 position connector on motor drive board.

7. Install Light Bulbs (Fig. 1).
• Use bulbs rated for:
- 60 Watts Maximum
- Rough Services
- Appliances
• Screw bulbs clockwise into light socket.
• Close Lens Cover.

NOTE: Do not overtighten light bulbs in sockets.

8. Close or attach Cover to Top Plate Assembly (Fig. 2).
• Excelerator—cover lifts up and snaps into place.
• Model 4060—Attach to top plate with four 8-32 x 1" Phillip Screws.

36428R.S Motor Drive Board replacement instructions figure 1

36428R.S Motor Drive Board replacement instructions figure 2 and 3

36428R.S Motor Drive Board replacement instructions figure 4 and 5