Table 2-3. Self Test

TM 55-4920-430-13

(13) If an AFCS panel is to be tested, connect as follows: (See fig. 2-5.)

(a) Connect cable plug P1 of W4 to test set receptacle panel J1. Connect cable plug P2 to AFCS

panel receptacle J1.

(b) Connect cable plug P1 of W5 to test set receptacle panel J2. Connect cable plug P2 to AFCS

panel receptacle J2.

(14) If a longitudinal or a collective CCDA actuator is to be tested, connect plug P1 of cable W6

to test set receptacle CCDA J6. Connect cable plug P2 to the receptacle on the CCDA. (See fig. 2-6. )

(15) Refer to TM 55-1520-240-23 for instructions for testing the AFCS computer, AFCS panel,

and CCDA actuators of the CH-47D Advanced Flight Control System (AFCS).

NOTE

If HOLD light comes on, when not called for in test, cycle MODE

switch to ON, then OFF, to turn out light.

Table 2-3. Self Test

METER/lNDICATOR

POSITION

SWITCH OR CONTROL

NORMAL RESULT

SERVO SIMULATION Group

RESET

ILCA SIMULATION PITCH

RESET

ILCA SIMULATION ROLL

RESET

ILCA SIMULATION YAW

NORM

ACTUATOR SIMULATION CCDA

TF2

ACTUATOR SIMULATION DASH

NORM

LCT

CONTROL PANEL SIMULATION

Group

SELECT

AFCS

00-0-B-0

CIRCUIT SELECT

METER

200V

RANGE

OFF

AFCS PO WER

115VAC/400-Hz

OFF

AFCS POWER

+28VDC

OFF

LCT POWER

+28VDC

6 VAC MAX

00-1

SELF TEST CIRCUIT SELECT

112.2 to 117.7 VAC

AFCS POWER 115V/400-Hz

then

OFF

METER

-0.6 to +0.6 VDC

00-2

SELF TEST CIRCUIT SELECT

2-23