TM 55-1520-240-T
11-3.3 AFCS OPERATIONAL CHECK
11-3.3
INITIAL SETUP
Applicable Configurations:
All
Tools:
None
Materials:
None
Personnel Required:
35K20 Avionic Mechanic
References:
TM 11-1520-240-20
TM 55-1520-240-23
Equipment Condition:
TM 55-1520-240-23:
Battery Connected
Electrical Power On
Hydraulic Power On
Aircraft Weight Supported By
Its Own Wheels.
Visual Check of AFCS
Performed (Task 11-3.2)
TASK
RESULT
CHECK CIRCUIT BREAKERS
1. Check that following circuit breakers in
NO. 1 PDP are closed:
A C
AFCS NO. 1 (1)
CLTV DRIVER ACTR (2)
NAV COPLT VG I (3)
NAV COPLT HS I (4)
NAV CMPS (5)
NAV COPLT HSI (6)
NAV CMPS (7)
DC
AFCS NO. 1 (8)
CLTV DRIVER ACTR (9)
CYCLIC TRIM MNL (10)
and FWD ACTR (11)
NAV COPLT HSI
MODE SEL (12)
HYDRAULICS BRAKE STEER (13)
CONT CENTER (14)
THRUST BRAKE (15)
If any circuit breaker (1 through 14) is open close
it. If AFCS NO. 1 circuit breaker (1) opens again,
go to task 11-3.4.
If CLTV DRIVER ACTR circuit breaker (2) opens
again, go to task 11-3.5.
If NAV COPLT VGI, COPLT HSI, CMPS, COPLT
HSI, CMPS circuit breaker (3, 4, 5, 6, or 7) open
again, refer to TM 11-1520-240-20.
If AFCS NO. 1 circuit breaker (8) opens again, go
to task 11-3.6.
If CLTV DRIVER ACTR circuit breaker (9) opens
again, go to task 11-3.7.
If CYCLIC TRIM MNL circuit breaker (10) opens
again, go to task 11-3.8
If CYCLIC TRIM FWD ACTR circuit breaker (11)
opens again, go to task 11-3.9.
If NAV COPLT HSI MODE SEL circuit breaker
(12) opens again, refer to TM 11-1520-240-20.
If BRAKE STEER circuit breaker (13) opens
again, go to task 7-4.4.
If CONT CENT or THRUST BRAKE circuit
breaker (14 or 15) opens again, go to task
11-2.3.
GO TO NEXT PAGE
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