MC Front I/O Cables
(Port - Name)
MC Rear I/O Cables
(Port - Name)
INPUT - Input line power cable MOTOR - Drive motor AC power out cable
COMM* - Comm Data cable LIFT - Lift motor power out/control cable
MTH - Drive motor thermal sw cable
* The COMM connector contacts have an application of dielectric grease to ensure
proper electrical contact. Do not wipe off, clean, or remove the dielectric grease.
When reconnecting, apply dielectric grease as needed.
CAUTION: Take your time and be careful when reconnecting the I/O cable
connector plugs. Many of the connector contacts are small and can be eas-
ily damaged if incorrectly inserted into the receiving connector.
3. Insert the MC right side base mounting flange under the two loosened right side bolt
hex heads. Then install the two left side mounting bolts and fully tighten all four bolts.
4. Make sure that the interface cables are correctly routed and secured to the frame
cable clamps. Verify that all MC cable connections remain properly connected, that
the cables have freedom of movement and are not stretched to tight, and that the
cables are clear of any frame or component edges that could pinch, chafe, or oth-
erwise damage the cable wires.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 118
6 Replacement Procedures
Motor Controller (MC) Replacement
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