TM 10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 12-18. Oscillation Cylinder (S/N 2001 and above). (Sheet 6 of 10) CLEANING/INSPECTION   (cont) 21. Inspect rod (24) and inside of barrel (13) for scratches, grooves, burrs, or other damage which might cause a malfunction. Small burrs and shallow scratches can be polished out with fine emery cloth and oil. 22. Inspect piston (15), gland (20), rod (24) and barrel (13) and replace items which cannot be repaired and items which have scoring, scratches, burrs, or other damage which might cause a malfunction. Threads on barrel (13) and rod (24) must not be damaged. Be  sure  residues  of abrasives and foreign matter have been cleaned away prior to assembly. 23. Inspect all other parts. Refer to paragraph 2-9. Go to page 7 12-165

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