160 140
120
100 -50 -25 0 +25 +50 +75
MANIFOLD
AMBIENT TEMP - `CENTIGRADE
MANIFOLD ASSEMBLY CHARGING INSTRUCTIONS MARKER CD
Hydraulic Pressure Surge Accumulator Servicing
Figure 301 (Sheet 2)
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ALL ú ú 01 Page 304 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 613-013
(2) Do these step to charge the accumulator.
(a)
Remove the cap from the stem of the gas charging valve.
(b)
Attach a source of nitrogen or dry air to the stem of the gas charging valve.
WARNING:_______DO NOT LOOSEN THE BODY OF THE GAS CHARGING VALVE. THE PRESSURE IN THE ACCUMULATOR CAN QUICKLY PUSH THE GAS CHARGING VALVE OFF THE MANIFOLD. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(c)
Turn the outer nut of the gas charging valve one turn counterclockwise.
(d)
Pressurize the accumulator to the correct pressure shown on the charging instructions marker.
NOTE: Use the direct reading pressure gage for indication of
____ the accumulator charge pressure.
(e)
Turn the outer nut of the gas charging valve clockwise until it is tight.
(f)
Disconnect the nitrogen or dry air source from the stem of the gas charging valve.
(g)
Install the cap on the stem of the gas charging valve.
G. Put the Airplane Back to Its Usual Condition
S 093-015
(1)
Do this task: "Remove the Door Locks from the Wing Gear"
(AMM 32-00-30/201).
S 093-021
(2)
Do this task: "Remove the Door Locks from the Body Gear"
(AMM 32-00-30/201).
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12-15-11
ALL ú ú 01 Page 305 ú Oct 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
WINDSHIELD WASHER CONTAINER - SERVICING
_______________________________________
1. General_______
A. The windshield washer fluid container is attached inside the windshield washer access door below the No. 3L window. Service the container when the fluid level is at or below the LOW LEVEL REFILL BOTTLE indicator line on the inside of the access door. To service the container, add fluid to it.
TASK 12-16-01-613-001
2. Service the Windshield Washer Container_______________________________________
A. Consumable Materials
(1) G00000 Fluid, Windshield Washer - Pace SP116-13 or
Killfrost WWF-2
B. Access
(1) Location Zone
221 Control Cabin, LH
C. Procedure (Fig. 301)
S 613-002
(1) Add fluid to the windshield washer container:
(a)
Open the windshield washer access door.
(b)
Loosen the fastener and open the clamp which holds the container cap.
WARNING: DO NOT ALLOW WASHER FLUID OR TOO MUCH OF ITS VAPORS TO
_______ TOUCH YOUR SKIN OR EYES. WASHER FLUID CAN CAUSE IRRITATION TO YOUR SKIN OR EYES.
(c) Turn the container to unscrew the cap.
CAUTION: FLUSH THE SYSTEM FULLY WITH WATER IF TYPE OF FLUID WILL BE
_______ CHANGED. DIFFERENT TYPES OF FLUID MAY NOT BE INTERCHANGEABLE. PACE SP116-13 AND KILLFROST NO. 2 WINDSHIELD WASHER FLUIDS ARE INTERCHANGEABLE. IT IS NOT NECESSARY TO FLUSH THE SYSTEM IF ONE OF THESE FLUIDS IS REPLACED WITH THE OTHER.
(d)
Fill the container with windshield washer fluid.
(e)
Turn the container to tighten the cap.
(f)
Close the clamp and tighten the fastener.
(g)
Close the windshield washer access door.
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