__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform No specific LENS Optical Disk Drive Cleaner
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 31-36-00-740-003 Test of the DAR (2TV) 52-41-00-010-002 Open the Avionics Compartment Doors for Access 52-41-00-410-002 Close the Avionics Compartment Doors after Access 31-36-00-991-004 Fig. 204
3. Job Set-up
__________ Subtask 31-36-00-861-061
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
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B. Get Access
(1) Put the access platform in position below the access door 824.
(2)
Open the access door 824. (Ref. TASK 52-41-00-010-002)
Subtask 31-36-00-865-063
C.
Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU RCDR/ACCLRM 9TU K18
R **ON A/C 106-149, 211-299, 301-399, 401-499,
121VU AIDS & RCDR/FDIMU 5TV K15 **ON A/C 151-199, 201-210,
121VU AIDS/DMU 4TV K15 R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
4. Procedure
_________ R **ON A/C 106-149, 211-299, 301-399, 401-499,
Subtask 31-36-00-100-050-A
A. Do the Optical DAR Drive Cleaning Procedure.
(Ref. Fig. 204/TASK 31-36-00-991-004)
CAUTION : DO NOT TOUCH THE BRUSH.
_______ DO NOT USE SOLVENTS. KEEP THIS CLEANER IN A CLEAN, DRY LOCATION. A CONTAMINATED BRUSH CAN CAUSE DAMAGE TO THE DRIVE.
(1) Open the recorder door.
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Optical Disk Drive Cleaner
Figure 204/TASK 31-36-00-991-004
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(2)
If the optical disk is installed, remove it.
(a)
On the panel 121VU:
close the circuit breaker 5TV and 9TU.
(b)
Eject the optical disk.
(c)
On the panel 121VU:
open, safety and tag the circuit breaker 5TV and 9TU.
(3)
Remove the brush cover from the LENS Optical Disk Drive Cleaner. NOTE : The P/N of the LENS Optical Disk Drive Cleaner is contained in
____
the DAR Vendor manual.
(4)
Put the cleaner in the disk drive, so that the arrow is on top.
(5)
Insert cleaner:
CAUTION : DO NOT USE FORCE WHEN YOU PUSH IN THE CLEANER. FORCE CAN
_______
CAUSE DAMAGE TO THE DRIVE.
(a) Insert the cleaner slowly and carefully into the disk drive until it touches the stopper.
(6)
Pull back the cleaner approximately 5 centimeters (2 inches).
(7)
Repeat the two last steps approximately 10 times to complete the
cleaning.
(8)
Remove the cleaner from the disk drive.
(9)
Put the brush cover on the cleaner and put it in a clean, dry place. NOTE : You must not use the cleaner more than 60 times or if the tips
____ of the brush have become wider or discolored. The specifications and appearance of the cleaner can change without notice.
(10)
On the panel 121VU: close the circuit breaker 5TV and 9TU.
(11)
Insert the optical disk into the disk drive.
(12)
Close and lock the recorder door.
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Subtask 31-36-00-100-050
A. Do the Optical DAR Drive Cleaning Procedure.
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