FMCS BITE - TS, 22-02-10 DFCS BITE - TS, 22-03-10 A/T BITE - TS, 22-04-10 IRS BITE - TS, 22-05-10
B. After you do all the BITE tests, push the INIT/REF key on the FMCS CDU keyboard to get out of the BITE procedure.
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737-300/400/500MAINTENANCE MANUAL
ELECTRONIC FLIGHT INSTRUMENT SYSTEM (EFIS) - MAINTENANCE PRACTICES
__________________________________________________________________
1. General
_______
A. These are the maintenance practices for the cathode ray tube:
(1)
CRT Display Surface Cleaning
(2)
CRT Brightness - Adjustment/Test
(3)
EADI Inclinometer - Adjustment/Seal
TASK 34-22-00-162-005
2. CRT Display Surface Cleaning
____________________________
A. Equipment
(1) Brush - Soft bristle (commercially available)
B. Consumable Materials
(1)
B50012 Cleaner, Optical Cleaning, Calotherm
Solution - Supaspray (use with Supacloth)
(2)
B50013 Cloth, Calocoat Hi-Tech Lenscloth -Supacloth (use with Supaspray)
(3)
G02457 Cleaner, Wet/Dry Anti-static Sachet -ALGLAS Visial ALG/CR 215
C. Access
(1) Location Zones
101/102 Flight Compartment
D. Procedure
S 102-058
CAUTION: DO NOT USE ABRASIVE MATERIALS OR SOLVENTS WHEN YOU CLEAN THE
_______ DISPLAY SURFACE. ABRASIVE MATERIALS AND SOLVENTS WILL CAUSE DAMAGE TO THE DISPLAY SURFACE.
(1)
Remove all particles from the display surface with a clean, soft, natural-bristle brush.
S 102-059
(2)
Carefully clean the display surface with the Supaspray and Supacloth or the wet/dry sachets:
(a) Apply 2 or 3 sprays of the Supaspray to the Supacloth, or open the wet sachet.
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737-300/400/500MAINTENANCE MANUAL
(b)
Use the moist cloth or wet sachet to carefully clean the display surface in a straight line from top to bottom.
(c)
Gradually move from one side of the display surface to the other side while you clean from top to bottom.
(d)
When the display surface is clean, use a clean, dry area of the cloth or the dry sachet in a straight line from top to bottom to carefully dry the display surface.
TASK 34-22-00-702-008
3. CRT Brightness - Adjustment/Test (Fig. 201)
________________________________
A. Equipment
(1)
Hand-held Photometer, Photo Research PR504
(2)
Microreader Probe, Photo Research MR500
B. References
(1) 24-22-00/201, Electrical Power - Control
C. Access
(1) Location Zones
101/102 Flight Compartment
D. Prepare for the Test
S 862-009
(1)
Supply electrical power (Ref 24-22-00/201).
S 862-044
(2)
Make sure the BAT switch on the pilots' forward overhead panel is in the ON position.
S 862-045
(3)
Make sure the STANDBY POWER switch on the pilots' forward overhead panel is in the AUTO position.
S 862-055
CAUTION: MAKE SURE THAT YOU OPERATE THE EQUIPMENT COOLING SYSTEM BEFORE
_______ YOU ENERGIZE AN ELECTRONIC SYSTEM. TOO MUCH HEAT CAN CAUSE DAMAGE TO ELECTRONIC EQUIPMENT.
(4) Supply the cool air from the equipment cooling system (Ref 21-58-02/501 and 21-58-03/501).
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