TM 10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 12-18. Oscillation  Cylinder  (S/N  2001  andabove). (Sheet 8 of 10) ASSEMBLY  (cont) 32. Dip items 12 and 14 thru 24 as an assembly in clean hydraulic fluid. 33. Install items 14 thru 24 as an assembly in barrel (13). 34. Using  a  strap  wrench,  install  collar (12) on barrel (13). Tighten until snug. INSTALLATION 35. Attach hoist and sling to cylinder assembly (11). Remove slack from sling. 36. Position cylinder assembly (11) for installation. position hydraulic fluid ports as observed during REMOVAL. 37. Using a large rubber mallet, install two pins (10). 38. Using a 3/4" socket  and  socket  wrench handle, install two anchors (9), washers (8) and bolts (7). 39. Remove hoist and sling from cylinder assembly (11). 12-167

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