S 034-048
(7)
Remove the lockwire between the strainer cap and the fuel strainer housing body.
S 024-049
(8)
Remove the fuel strainer and the strainer cap from the fuel strainer housing body.
S 024-050
(9)
Remove the fuel strainer and the washer from the strainer cap.
S 034-095
(10)
Remove the O-ring from the strainer cap.
S 494-088
(11)
Put the fuel container in position to collect the fuel that remains in the fuel-feed manifold.
NOTE: The quantity of fuel that can drain from the fuel-feed
____ manifold when the components in the fuel strainer housing are removed is 20 gallons (76 liters).
S 024-052
WARNING:_______BE CAREFUL WHEN YOU REMOVE THE RETAINING RING. THE SPRING IS COMPRESSED AND COULD CAUSE THE POPPET GUIDE AND POPPET GUIDE RETAINER TO MOVE QUICKLY AND CAUSE INJURY.
CAUTION: BE CAREFUL WHEN YOU REMOVE THE RETAINER AND POPPET GUIDE FROM
_______ THE HOUSING BODY. DAMAGE TO THE INTERNAL SURFACE OR THE THREADS OF THE HOUSING BODY COULD OCCUR.
(12)
Remove the retaining ring from the housing body.
S 024-053
(13)
Remove the poppet guide retainer, poppet guide and attached parts and the spring from the fuel strainer housing body.
(14)
Remove the O-ring from the poppet guide retainer.
S 024-054
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28-15-12
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 024-055
(15)
Remove the retaining ring, spring retainer and spring from the poppet.
S 024-056
(16)
Remove the poppet from the poppet guide.
S 024-097
(17)
Remove the O-ring from the poppet.
S 024-058
CAUTION: DO NOT REMOVE THE O-RING OR GLIDE RING FROM THE POPPET GUIDE.
_______ THESE PARTS CAN ONLY BE REPLACED BY THE VENDOR.
(18)
Remove the O-ring from the poppet side of the poppet guide only.
S 094-089
(19)
Remove the fuel container.
TASK 28-15-12-404-059
5. Fuel Strainer Housing Assembly Installation
___________________________________________
A. Consumable Materials
(1)
D00128 Petrolatum - Technical, VV-P-236
(2)
D00169 Dry film lubricant
B.
References
(1)
AMM 28-15-00/501, Fuel Scavenge System
C.
Access
(1)
Location Zones
131 Center Section Wing Box, Left
132 Center Section Wing Box, Right
D.
Procedure
S 644-060
(1)
Lightly lubricate the new O-ring for the poppet guide with petrolatum.
(2)
Install the O-ring in the bottom groove of the poppet guide.
(3)
Lightly lubricate the new O-ring for the poppet with petrolatum.
(4)
Install the O-ring on the poppet.
(5)
Put the poppet in the hole through the stem of the poppet guide.
S 424-061
S 644-062
S 424-063
S 424-064
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú ú 03 Page 414 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 424-065
(6)
Install the spring, spring retainer and retaining ring on the stem of the poppet.
S 644-066
(7)
Lubricate the O-ring for the poppet guide retainer with petrolatum.
S 424-067
(8)
Put the spring in the poppet guide.
S 424-068
(9)
Put the poppet guide and spring in the fuel strainer housing.
NOTE: The stem of the poppet goes in last (spring goes in
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