Preparation:
- Shut down and lock out all power to ATevo.
- Remove safety shield.
- Disconnect the battery and dc load(s) from the DC Output Circuit Breaker (CB2+/-). Check with a voltmeter before proceeding.
- Make sure rectifier/heat sink assembly (A6) has cooled.
Removal of Existing Rectifier:
- Disconnect wires and ribbon cable from Power Board rectifier assembly.
- Remove the two (2) bolts securing rectifier assembly on center of left side of enclosure between top and bottom vent perforations.
- Pull rectifier assembly (A6) straight out toward front of ATevo.
- Remove the four (4) screws that attach Power Board to assembly.
- Remove screw that attaches Capacitor Board (A7) to assembly.
- If an Auxiliary I/O Board (A4) is present, remove the four (4) screws that attach it to the assembly.
- Lift and remove all boards from the existing rectifier / heat sink assembly (A6).
Installation of New Rectifier:
- Plug removed boards onto new rectifier/heat sink assembly (A6).
- Make sure all spade connections on bottom of Power Board (A2) are correctly seated on new rectifier.
- Replace all board mounting screws.
- Insert new assembly into enclosure, making sure protrusions on heat sink drop into holes at back of enclosure.
- Install mounting bolts on left side of enclosure.
- Reconnect wires to rectifier/heat sink (A6) and Power Board.
- Replace safety shield and close front panel door.
- Restart ATevo.
Replacing Power Board
To replace Power Board (A2), first follow instructions above for removing Rectifier / Heat Sink Assembly.
Last modified:
5 March 2021
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