8-12.3
T M 5 5 - 1 5 2 0 - 2 4 0 - T
8 - 1 2 . 3 C R U I S E G U I D E I N D I C A T I N G S Y S T E M O P E R A T I O N A L C H E C K
INITIAL SETUP
Applicable Configurations:
All
Tools:
Stopwatch
Materials:
None
Personnel Required:
68F20 Aircraft Electrician
References:
TM 55-1520-240-23
Equipment Condition:
TM 55-1520-240-23:
Battery Connected
Electrical Power On
Hydraulic Power Off
Cruise Guide Indicating System
Visual Check Performed (Task 8-12.2)
TASK
RESULT
1.
2.
3.
4.
5.
Check that CRUISE GUIDE circuit
breaker (1) is closed.
Set and hold CGI TEST switch (2) to
AFT.
Release CGI TEST switch (2).
Set and hold CGI TEST switch (2) to
F W D.
Release CGI TEST switch (2).
If circuit breaker (1) is open, close it. If it opens
again go to task 8-12.4
Pointer on Indicator (3) shall move to test band
within 8 seconds. If pointer is not in test band, go
to task 8-12.5.
Pointer on indicator (3) shall move down scale. If
it does not, replace switch (2).
Pointer on Indicator (3) shall move to test band
within 8 seconds. If pointer is not in test band, go
to task 8-12.6.
Pointer on indicator (3) shall move down scale. If
it does not, replace switch (2).
FOLLOW-ON MAINTENANCE:
TM 55-1520-240-23:
Battery Disconnected
Electrical Power Off
8 - 3 0 0