TM 55-1520-240-23-9
11-279
BENCH TEST AFCS COCKPIT CONTROL DRIVE ACTUATOR (CCDA) (AVIM)
11-279
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electronic Repairers Tool Kit, NSN 5180-00-064-5178
Multimeter AN-URM 105
Stopwatch
Dial Indicating Scale, 0 to 50 Pounds
AFCS Bench Test Set 145G0008-1
Materials:
None
Personnel Required:
Avionics Mechanic
Inspector
References:
TM 55-4920-430-13
Equipment Condition:
Off Helicopter Task
General Safety Instructions:
High voltage is used in this equipment.
Observe safety precautions;
otherwise, personal injury or death
can occur.
NOTE
There are two cockpit control drive
actuators (CCDA), pitch CCDA and
thrust CCDA.
(PITCH) indicates test applies to pitch
CCDA.
(THRUST) indicates test applies to
thrust CCDA.
The following tests are included:
TEST
1.
Circuit Resistance Test (Thrust)
2.
Brake Function Test (Thrust)
3.
Null Voltage and Phasing Test (Thrust)
4.
Circuit Resistance Test (Pitch)
5.
Brake Function Test (Pitch)
6.
Trim Motor Test (Pitch)
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