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 TM 55-1905-223-24-10
WARNING
Immediately clean up spills of fuel and oil and any other debris which creates
slippery decks and unsafe working conditions.
CAUTION
Avoid contamination of the hydraulic system. Do not use rags, corks, or similar
items to plug the hydraulic pipes or ports. If available, use an approved external
fitting, cap or plug. Otherwise, let hydraulic pipes and ports drain into a container.
The hydraulic system is under pressure. Be sure to vent system to relieve
pressure prior to attempting any repairs.
INSPECTION
Inspection procedures are for the crossport relief valve are covered in paragraph 2-9 (PMCS).
REMOVAL
NOTE
Ensure that o-rings do not drop out during removal,
a.
Remove four machine bolts (1) from modular relief valve (2) and separate from retaining plate seal (3).
b.
Remove crossport (4) valve from valve tapping plate (8).
c.
Separate valve tapping plate (8) and (9) and remove.
d.
Remove preformed packing (5, 7).
REPLACEMENT
NOTE
Cleanliness and care of newly installed components are important. Before
installing new components, plug all ports and thoroughly wash the outside of
assembly with cleaning solvent to remove any packing grease or oils. When
possible, dry with compressed air.
2-39
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