Appendix C — Connector Care C-7 Connection and Disconnection Techniques
ML248xx, ML249xA MM PN: 13000-00164 Rev. K C-7
C-7 Connection and Disconnection Techniques
Connection Procedure
1. Visually inspect the connectors (see “Visual Inspection” on page C-2).
2. If necessary, clean the connectors (see Figure C-3 on page C-6 and “Connector Cleaning Instructions”
on page C-5).
3. Carefully align the connectors. The male connector center pin must slip concentrically into the contact
fingers of the female connector.
4. Push connectors straight together. Do not twist or screw them together. As the center conductors mate,
there is usually a slight resistance.
5. Do not turn the connector body, turn the connector nut instead. Major damage to the center conductor
and the outer conductor can occur if the connector body is twisted.
6. Initial tightening can be done by hand.
7. Relieve any side pressure on the connection from long or heavy devices or cables. This assures consistent
torque.
8. Do not pre-tighten so much that there is no rotation of the nut with the torque wrench. Leave about 1/8
turn or 45 degrees of rotation for the final tightening with the torque wrench.
Table C-2 below lists the Anritsu Company torque wrench and open end wrench part numbers for
different connectors.
9. Hold torque wrench at the end.
10. Rotate only the connector nut when you tighten the connector. Use an open–end wrench to keep the body
of the connector from turning.
11. Using two wrenches with an angle greater than 90° causes the connector devices to lift up and tends to
misalign the devices and stress the connectors. This becomes more of a problem when there are several
devices connected to each other.
12. Breaking the handle fully can cause the wrench to kick back and may loosen the connection.
C-8 Disconnection Procedure
1. Use an open end wrench to prevent the connector body from turning.
2. Use another wrench to loosen the connector nut.
3. Complete the disconnection by hand, turning only the connector nut.
4. Pull the connectors straight apart without twisting or bending.
Table C-2. Connector Wrench Requirements – Torque Wrenches and Settings – Open End Wrenches
Connector Type
Torque Wrench Model
Number
Torque
Specification Open End Wrench
3.5mm/SMA 01-201 8 in-lbs 01-204
K 01-201 8 in-lbs 01-204
V 01-201 8 in-lbs 01-204
Caution
Holding the torque wrench elsewhere applies an unknown amount of torque and could damage
contacts and/or connectors.
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