TM 10-3930-643-34 HYDRAULIC  TROUBLESHOOTING  AND  MAINTENANCE. 12-18. Oscillation Cylinder (S/N 2001 and above). (Sheet 1 of 10) This task covers: a.  Removal b. Disassembly c.   Cleaning/Inspection   d.   Assembly e. Installation f. Testing INITIAL  SETUP Tools Materials/Parts Shop  Equipment,  Automotive Cleaning  solvent Maintenance  and  Repair: (App. C, Item P-D-680 5) Organizational   Maintenance, Common No. 1, Less Power NSN  4910-00-754-0654 Shop  Equipment,  Automotive Maintenance  and  Repair: Organizational   Maintenance, Common No. 2, Less Power NSN   4910-00-754-0650 Tool  Kit,  General  Mechanic’s Automotive NSN   5180-00-177-7033 Hoist and sling 1-7/8"  socket  and  socket wrench  handle NSN   5120-00-169-2990 Clean cloth (App. C, Item 24) Small tag (App. C, Item 28) Hydraulic fluid (App. C, Item 19) Fine emery cloth (App. C, Item 4) Preformed  packing  (4) Seal  (3) Wiper Strip Torques Except for special torques shown, all fasteners are tightened to a standard  torque. Refer  to Appendix E. EQUIPMENT   CONDITION References TM  10-3930-643-10 Condition  Description Hydraulic  pressure  vented. Go to sheet 2 12-160