TM 55-1520-240-23-9
11-272
BENCH TEST AFCS CONTROL PANEL (AVIM)
11-272
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electronic Repairer’s Tool Kit, NSN 5180-00-064-5178
Multimeter AN/PSM-45A
Materials:
None
Personnel Required:
Avionics Mechanic
Inspector
References:
TM 55-4920-430-13
Equipment Condition:
Off Helicopter Task
AFCS Bench Test Set 145G0008-1 Prepared for Use
(TM 55-4920-430-13)
General Safety Instructions:
High voltage is used in this equipment.
Observe safety precautions;
otherwise, personal injury or death
can occur.
NOTE
The following tests are included:
TEST
1.
Systems Select Tests
2.
Radar Altitude Tests
3.
Barometric Altitude Tests
4.
Heading Test
5.
Cyclic Trim — Manual Test
6.
Cyclic Trim — Automatic Test
7.
Panel Illumination Test
8.
Diodes Test
NOTE
Allow 5 minutes warm up of AFCS
unit before any test segments are run.
RAD ALT ENGAGED switch, BARO
ALT ENGAGED switch, and HDG
ENGAGED switch have internal
switch lamps.
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