7-8
FlexPak 3000 DC Drive OIM User’s Guide
7.6.3 Replacing the OIM Circuit Board Only
Follow this procedure if you are replacing only the circuit board. If you are replacing
the entire
OIM
assembly, see section 7.6.4, “Replacing the Entire OIM Assembly”.
You must remove the
OIM
assembly from the drive to replace the circuit board. See
section 7.6.1, “Preparing to Replace the OIM”, and section 7.6.2, “Accessing the OIM
and Disconnecting It from the Regulator Board”, for instructions.
To replace the circuit board:
Step 1. Place the
OIM
assembly face down on a surface that will not scratch the
OIM
front panel.
Step 2. Remove the four screws holding the circuit board to the mounting plate.
Step 3. Lift the circuit board from the standoffs. Remove the washers if they detach
from the screws.
Step 4. Place the new circuit board on the standoffs. Make sure the 20-pin
connector is properly aligned with the matching header on the Regulator
board (J3).
Step 5. Tighten the four screws holding the board to the mounting plate.
Step 6. Connect the ground wire from the drive to the ground terminal on the
OIM
mounting plate.
Step 7. Replace the four screws securing the
OIM
assembly to the drive.
Step 8. Connect the communication cable from the
OIM
assembly to J9 on the
Regulator board.
Step 9. Replace the drive front cover and tighten the screws, securing it to the drive
enclosure.
7.6.4 Replacing the Entire OIM Assembly
Follow this procedure if you are replacing the entire
OIM
assembly. If you are replacing
the circuit board, see section 7.6.3, “Replacing the OIM Circuit Board Only”.
You must remove the old
OIM
assembly from the drive before replacing it. See
section 7.6.1, “Preparing to Replace the OIM”, and section 7.6.2, “Accessing the OIM
and Disconnecting It from the Regulator Board”, for instructions.
To replace the
OIM
:
Step 1. Connect the ground wire from the drive to the ground terminal on the
OIM
mounting plate. If you are replacing an older version of the
OIM
, you might
need to use the hardware from the old unit.
Step 2. Replace the four screws securing the
OIM
assembly to the drive.
Step 3. Connect the communication cable from the
OIM
assembly to J9 on the
Regulator board, making sure that it locks into place.
Step 4. Replace the drive front cover and tighten the screws, securing it to the drive
enclosure.
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