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Integrated Publishing
Army Communication Systems
Install and Perform Unit-Level Maintenance
of AN/GRC-193A Radio Set (IHFR), Part II
Install or Reinstall AN/GRC-193A Radio Set
(IHFR)
Evaluate Operation of AN/GRC-193A Radio Set
Perform Organizational Preventive
Maintenance Checks and Services on AN/GRC-193A
Standards
Table of Contents
Table of Contents (Cont)
Lesson 1. Install or Reinstall AN/GRC-193A
Radio Set (IHFR)
Figure 2. Reverse mounting of CU-2064.
Figure 3. Configuration for tracked vehicle
mount.
Figure 4. RT-1209/URC receiver-transmitter.
Figure 5. AM-6879 amplifier-converter.
Figure 6. Operating controls and
indicators, power amplifier AM-6545/GRC-193.
Figure 7. Antenna coupler CU-2064/GRC-193A,
front panel connectors and controls.
Figure 8. Rear view of AM-6879/URC.
Figure 9. Cleat and wing nut clamp
adjustment.
Figure 10. Cording diagram.
Installation or Reinstallation
Safety
Practice Exercise
Summary
Lesson 2. Evaluate Operation of AN/GRC-193A
Radio Set
Table 1. Controls, indicators, and
connectors for RT-1209/URC.
Table 2. Amplifiers-converter AM-6879/URC
controls and indicators.
Table 3. Power amplifier AM-6545/GRC-193
controls and indicators.
Table 4. Antenna coupler CU-2064/GRC-193
controls and indicators.
Table 5. EPC
Table 5. EPC (cont)
Table 5. Op Check (cont)
Secure voice operation.
Summary
Lesson 3. System Troubleshoot AN/GRC-193A
Radio Set, and Repair
Figure 11. Interconnect cabling
(AN/GRC-193).
Table 6. Cable pin assignments.
AM-6879 Functions
Practice Exercise
Summary
Lesson 4. Perform Organizational Preventive
Maintenance Checks and Services on AN/GRC-193A
Organizational-level PMCS
Check cables for fraying, cuts, cracks, dry
rot, or other damage
Table 7. Organizational quarterly PMCS.
Practice Exercise
Install and Perform Unit-Level Maintenance of AN/GRC-193A Radio Set (IHFR),
Part II
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