S 034-007
(6)
Disconnect the reservoir fill line and the outlet line of the hand pump, from the reservoir fill filter.
S 024-008
(7)
Remove the two bolts and remove the reservoir fill filter.
S 034-009
(8)
Install caps on the reservoir fill line and the outlet line from the hand pump to keep out contamination.
S 034-010
(9)
If you will replace the reservoir fill filter, remove the fittings from the inlet and outlet ports.
S 034-042
(10)
Discard the O-rings.
TASK 29-18-06-404-011
3. Reservoir Fill Filter Installation (Fig. 401).
__________________________________
A. Consumable Materials
(1)
D00153 Fluid - Hydraulic, Fire-Resistant, BMS 3-11
B.
References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 20-22-01/601, Electrical Bonds and Grounds
(3)
AMM 24-22-00/201, Manual Control
(4)
AMM 32-00-30/201, Landing Gear Door Locks
(5)
AMM 36-00-00/201, Pneumatic System
C.
Access
(1)
Location Zone
137A Body Landing Gear Wheel Well, LH
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH RESERVOIR FILL FILTER ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
D. Procedure
S 434-043
(1)
If the fittings are not installed in the ports of the reservoir fill filter, do these steps to install the fittings.
(a)
Apply hydraulic fluid to the new O-rings and the threads on the fittings.
(b)
Install the O-rings on the fittings.
(c)
Install the fittings in the inlet and outlet ports of the reservoir fill filter.
S 144-014
(2)
Clean the area, on the reservoir fill filter, around the bolt holes (AMM 20-22-01/601).
S 424-015
(3)
Put the reservoir fill filter on the bracket.
S 434-044
(4)
Install the two bolts to attach the reservoir fill filter to the bracket.
S 434-045
(5)
Safety the bolts with a lockwire.
S 434-016
(6)
Connect the reservoir fill line and the outlet line, from the hand pump, to the reservoir fill filter.
S 434-017
(7)
Make sure that the filter bowl is tight.
S 214-046
(8)
Make sure the lockwire is on the filter bowl.
(9)
Pressurize the pneumatic system (AMM 36-00-00/201).
S 864-018
NOTE: This pressurizes the hydraulic reservoir for the
____
leakage test.
S 864-047
(10) Pressurize the reservoir fill filter with the hand pump
(AMM 12-12-01/301).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 214-048
(11)
Examine the reservoir fill filter for leakage.
S 864-020
(12)
Release the pressure in the pneumatic system (AMM 36-00-00/201).
S 094-051
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(13)
Do this task: Body Landing Gear Door Lock Removal
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