Honeywell International Inc. 9PGTPA-100A Benutzerhandbuch
Page 2038
1 Dec 2003
34-45-4
7
MAINTENANCE MANUAL
CAS-100 COLLISION AVOIDANCE SYSTEM
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(c)
Using the interconnect diagrams (Figure 2015), check wiring for correct locations,
opens, and shorts.
opens, and shorts.
(d) Examine all rf cables for indication of incorrect crimps and connectors not
tightened. Also, the rf connectors on the ARINC 600 trays are spring loaded and
must move back smoothly when pushed and released, to make a positive
connection with the TCAS processor.
must move back smoothly when pushed and released, to make a positive
connection with the TCAS processor.
(e) Check rf cables for insertion loss and Voltage Standing Wave Radio (VSWR).
(3) Visual Inspection
With the system installation, do the visual inspection/check procedure (Table 2004).
(4) Postinstallation Test Using Self-Test Function
This test makes sure the correct operation of the CAS-100 Collision Avoidance System
that uses the self-test function. This procedure is used after the system units have been
initially installed and as an operational check. This procedure has a pretest setup,
self-test, and manual test. The following tests are done on the ground. The Mode S
transponder system post-installation test is contained in the related Mode S transponder
maintenance manual.
that uses the self-test function. This procedure is used after the system units have been
initially installed and as an operational check. This procedure has a pretest setup,
self-test, and manual test. The following tests are done on the ground. The Mode S
transponder system post-installation test is contained in the related Mode S transponder
maintenance manual.
(a) Pretest Setup
The following steps apply/check the CAS-100 system input power, set the
serviceable controls, and make sure that the system is prepared for test.
serviceable controls, and make sure that the system is prepared for test.
1 Do the Mode S transponder system post-installation test.
2 Make sure that aircraft 115 V 400 Hz or 28 V dc and 26 V ac power sources are
serviceable; for example, check power bus meter.
3 Check that aircraft 5 V ac or dc or 28 V dc panel background lighting power
source and dimmer control are serviceable by adjusting the cockpit dimmer
switch for correct cockpit panel background illumination.
switch for correct cockpit panel background illumination.
4 Select transponder No. 1 and put transponder No. 1 and No. 2 in STANDBY
mode as follows:
a If CTA-81A Control Unit is used, set ATC 1/2 switch to ATC 1 position
(sets Mode S transponder No. 1) and turn function selector switch to
STBY.
STBY.
b If CTA-81B Control Unit is used, turn function selector switch to ATC1
STBY.
c
If KFS-578A Control Unit is used, push 1/2 pushbutton, if necessary,
until transponder No. 1 is shown in the LCD display and turn function
select switch to STBY.
until transponder No. 1 is shown in the LCD display and turn function
select switch to STBY.