Harris Ranger Series, Commissioning Manual

Page: 141 / 162

12/24/07 888-2685-001 5-1
WARNING: Disconnect primary power prior to servicing.
Ranger Commissioning Manual
Section 5
Replacement
Procedures
5
5.1 Introduction
This section contains information on how to remove and replace electrical and
mechanical parts and any alignments or adjustments associated with the replacement.
All routine alignment procedures are contained in Section 3 with the associated GUI
screen.
5.2 PA Module Removal
The PA module(s) simply push in or pull out of the transmitter. There are no latches or
screws. There is a module off switch located behind the front cover at the top and
bottom of the module so that when the module is grasped to be pulled out, the touch
switch shuts it off first.
5.2.1 CZ1000F PA Module Air Block
For the CZ1000F, a special Air Block (a long, thin Lexan shield shown in Figure 5-1)
has been provided in case one of the modules is to be removed for an extended period of
time. The Air Block simulates the back pressure of a module. This keeps the airflow
through the rest of the transmitter at normal levels even with the module removed. The
Air Block will only fit in Slot #2 (the right-hand slot). Therefore, if a module is to be
removed for a period of more than a few hours, the Air Block should be installed in slot
2 and the remaining module must be placed in slot 1 (if not already there).
Figure 5-1 Lexan Air Block
Install this end
nearest the back
of the cabinet