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Repair, Front panel, Figure 8 cal cart wiring schematic – Bird Technologies MSCC7 Series-Manual User Manual

Page 26: Cord reel, Power sensor, D 12, Front panel cord reel power sensor

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Bird Multi-Sensor Cal Cart System

12

Repair

Front Panel

To access the power sensor or the AC connections, it will be necessary to

remove the front panel of the Cal Cart.
1. Remove both screws on the front panel, between the RF connector and the

handle.

2. Pull on the handle set into the base of the front panel to remove it.
Figure 8 Cal Cart Wiring Schematic

Cord Reel

1. Disconnect the cord reel from the terminal strip.
2. Unscrew the AC connector.
3. Unscrew and remove the cord reel.
4. Screw the replacement cord reel into place.
5. Thread the AC connector through the grommet.
6. Replace the ring terminal on the green/yellow wire.
7. Connect the wires on the other end to the terminal strip (See Figure 8).

Power Sensor

WARNING

To avoid personal injury, disconnect the power cord from the AC line before

performing any maintenance, including fuse replacement.

WARNING

To avoid personal injury, disconnect the power cord from the AC line before

performing any maintenance, including fuse replacement.

WARNING

Never attempt to connect or disconnect RF equipment from the transmission line
while RF power is being applied. Leaking RF energy is a potential health hazard.

CAUTION

The Bird 4421 must be powered off when connecting or disconnecting the

power sensor from the power meter.

CAUTION

Changing the sensor’s connectors will invalidate calibration data, and may

reduce the maximum power rating of the unit.

CAUTION

Due to the complexity of the Bird Power Sensor, field repairs beyond general

maintenance should not be attempted. Removal or disturbance of the power

sensor cover can result in cancellation of lifetime warranty.