(2)
SSM 34-36-11
(3)
SSM 34-36-12
(4)
WDM 34-36
(5)
WDM 34-36-11
(6)
WDM 34-36-12
EFFECTIVITY SIL 004, 005, 017, 018 34-36 TASKS 807-810
D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details Page 209 Jun 15/2010
E. Initial Evaluation
(1)
Check the wiring for x and y axis and x and y monitor lines between the OHU and the HUD computer.
(2)
Do
this
task:Head
Up
Display
BITE
Procedure,
34-36
TASK
801
(a)
If the HUD fault code shows on the control panel, then do the Fault Isolation Procedure.
(b)
If the HUD fault code does not show, then there was an intermittent fault.
F. Fault Isolation Procedure
(1)
Replace the HUD Computer (AMM PAGEBLOCK 34-36-01/401).
(2)
Replace the OHU (AMM PAGEBLOCK 34-36-05/401).
(3)
Do this task:
Head
Up
Display
BITE
Procedure,
34-36
TASK
801
(a) If the HUD fault code does not show, then you corrected the fault.
-------------------------END OF TASK ---------------------------
854. HUD Annunciator Panel Problems -Fault Isolation
A. Description
(1) This task is for fault code HAP C1 displayed on the HUD contol panel (C1 displayed on the combiner).
B. Possible Causes
(1) HUD annunciator panel (HAP) activity fault.
C. Circuit Breakers
(1) Make sure that these circuit breakers are closed:
CAPT Electrical System Panel, P18-2
Row Col Number Name
C 1 C01622 HEAD UP DISPLAY ANNUN DC
SIL 004, 005
C 4 C01621 HUD-CMPTR DC
SIL 004, 005, 017, 018
C 5 C01619 HEAD UP DISPLAY SYS NORMAL DC C 6 C01620 HEAD UP DISPLAY SYS ALTN DC
D. Related Data
(1)
SSM 34-36.
(2)
WDM 34-36.
E. Initial Evaluation
(1) Do
this
task:
Head
Up
Display
BITE
Procedure,
34-36
TASK
801.
(a)
If the fault code HAP C1 shows on the HUD control panel (fault code C1 on the combiner), write down the fault code information and refer to the corrective action for that code.
(b)
If the HAP C1 fault code does not show on the HUD control panel (fault code C1 on the combiner), then there was an intermittent fault.
F. Fault Isolation Procedure
(1)
Check the power to the HUD annunciator panel and repair any problems that you find.
(a)
If the HAP C1 fault code shows on the HUD control panel (C1 fault code on the combiner),
then continue with the fault isolation procedure.
(b)
If the HAP C1 fault code does not show on the HUD control panel (fault code C1 on the combiner), then you corrected the fault.
(2)
Do this task: AMM PAGEBLOCK 34-36-06/401 Config 2.
(3)
Do the Repair Confirmation.
(a)
If the HAP C1 fault code shows on the HUD control panel (C1 fault code on the combiner), then continue with the fault isolation procedure.
(b)
If the HAP C1 fault code does not show on the HUD control panel (fault code C1 on the combiner), then you corrected the fault.
(4)
Do this check of the wiring and repair any problems that you find:
(a)
Remove the HUD annunciator panel. To remove it, do this task: HUD Annunciator Panel Removal, AMM TASK 34-36-06-000-804-002.
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