Glenayre Electronics Inc. GL-T8311SA Manual Do Utilizador
Glenayre Document Number: 9110.00166
GL-T8xx1 Transmitter System
Revision K: 08/30/99
REMOVAL AND REINSTALLATION
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Copyright © 1999 Glenayre
Page: 9-1
9
REMOVAL AND REINSTALLATION
The following paragraphs discuss removing and reinstalling the various assemblies which
make up the transmitter.
make up the transmitter.
Caution
Remove all input power to the cabinet before
performing a removal or reinstallation procedure.
performing a removal or reinstallation procedure.
Note
The user may choose to remove the PA and exciter before removing the
transmitter chassis in order to lighten the chassis for handling.
transmitter chassis in order to lighten the chassis for handling.
9.1
Transmitter Chassis
The transmitter chassis is held in the equipment rack by screws which are accessible from
the front.
the front.
Removal
1.
Turn thumbscrew to unlock rear door, and open rear compartment.
2.
Remove large black wire from - lug on metering board.
3.
Remove large red wire from + lug on metering board.
4.
Mark and remove I/O connections between transmitter controller and exciter.
5.
Mark and remove coax connection to antenna network.
6.
Remove screws from front of rack and pull out transmitter chassis.
Reinstallation
7.
Replace chassis in rack; secure with same hardware that was removed.
8.
Carefully reinsert exciter and PA units in chassis.
9.
Reconnect coax, power leads, and I/O as before.
10. Return transmitter to service.
9.2
Power Supply
Refer to the power supply manual for information.
9.3
PA RF Compartment
Note
Before removing the PA RF compartment, be certain that the fault is on
an assembly within it. The exciter, metering board, and interconnecting
wiring are essential to proper operation of the power amplifier.
an assembly within it. The exciter, metering board, and interconnecting
wiring are essential to proper operation of the power amplifier.