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4-10.
FILLER/DISCHARGE ASSEMBLY. See figure 4-3.
a.
Disassembly.
(1) Pull outward on cam arms. Remove elbow from flanged adapter.
(2) Remove elbow gasket from inside of elbow.
(3) Using wrench, remove hexagon-head bolts and washers. Remove closure plate from tank fitting.
(4) Remove O-ring from groove in tank fitting.
(5) Using wrench, remove hexagon-head bolts and washers from remaining assembly. Remove flanged
adapter and gasket from top of closure plate. Remove suction stub from gasket from bottom of closure
plate.
b.
Repair and Replacement.
(1) Clean all parts by wiping with a cloth.
(2) Inspect all parts for cracks, dents, or wear. If any parts are no longer serviceable, replace before
reassembly.
c.
Reassembly.
(1) Place suction stub on flat, hard surface with holes on top.
(2) Place gasket and closure plate onto suction stub.
(3) Place flanged adapter gasket on closure plate.
(4) Place flanged adapter on gasket.
(5) Place washers on bolts. Insert bolts through holes of flanged adapter and mate with holes in closure
plate. Using a wrench, tighten bolts.
(6) Place O-ring into groove in tank fitting.
NOTE
An O-ring that has absorbed oil or hydrogen fuel may expand when removed from its groove. If an O-ring does not fit
easily back into its groove,
4-15
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