TM 1-1520-238-23
6-386
6.88.
QUILL HOUSING/HYDRAULIC PUMP SEAL DRAIN TUBE REMOVAL/INSTALLATION – continued
6.88.4. Cleaning
a. Wipe threads of tee union with a clean rag.
b. Wipe quill tube, ’U’ tube, and drain tube with a clean rag.
6.88.5. Inspection
a. Check tee and union for stripped threads, nicks, and gouges on sealing face. None allowed.
b. Check quill tube for looseness and cracks. None allowed.
c. Check quill housing drain tube upper section for bends, cracks, hardness, holes, or looseness. None
allowed.
d. Check pump seal drain tube for bends, cracks, or holes. None allowed.
e. Check tubes for bends, cracks, crimps, or holes. None allowed.
f. Check drain tube lower section for cracks, bends, crimps, or holes. None allowed.
g. Check grommet, clamp, and cushions for hardness and cracks. None allowed.
6.88.6. Repair
a. Repair drain tubes using tube clinch sleeve and coupling nut (TM 1-1500-204-23).
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