MXU Motor Drive Board Repair Instructions
Oct 10, 2023
403
- Purpose
- This work instruction describes the process for replacing the MXU Motor Drive Board.
- These repair instructions are valid for revision C MXU Digital Centrifuges. For revisions older than C, please consult Product Development.
- Equipment/Software
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ITEM # PART # DESCRIPTION QTY. 1 100294 Vibration Absorber; Rubber 3 2 101348 Machine screw; M6 3 3 100067 Washer; split lock; M6 6 4 100057 Nut; hex; M6 3 5 100952-E Base Plate; MX12 1 - Needle Nose Pliers
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- Instructions
- Confirm that all necessary components are present to complete the conversion.
- Open the lid and remove the rotor and tube shields from the unit. Figure 1.
- Turn the unit over onto its lid and remove the base plate. Figure 2.
NOTE: The motor wiring harnesses will be connected. Disconnect them or set the base close enough to the side to not overextend the wires.
- Locate Motor Drive Board on front face of unit. Figure 3.
- Remove all connected wiring harnesses from Motor Drive Board.
- Using needle nose pliers, compress the standoffs that are holding the board in place. Figure 4.
- Remove the non-working Motor Drive Board (100480) and replace it with a new one. Be sure to snap-in all 4 standoffs. Figure 5.
- Re-connect all cables as shown. Figure 6.
- Re-attach the base plate. Figure 7.
- Replace Rotor, close the lid, and verify the unit powers on and functions under normal laboratory use.
SNR-7.5.1-W-005 | Rev 0
