TM   10-3930-643-20 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 14-7. Hydraulic   Reservoir   and   Filter. (Sheet   1   of   6) This   task   covers: a. Service INITIAL  SETUP Tools Tool   Kit,   General   Mechanic’s Automotive NSN   5180-00-177-7033 Boom  support  block  (2) (S/N   2000   and   below) Short  3/4”  threaded  pipe nipple Materials/Parts Cleaning   solvent   P-D-680 (App.   C,   Item   2) Clean   cloth   (App.   C,   Item   10) Suitable   container,   capacity   of 30   gals. Suitable   container   for   drain   pan Hose,   3/4”   ID   x   7   ft   long Wood   block   (4) Wood   supports   (2) Preformed   packing   (3) Filter   element Personnel   Required Two Torques Except   for   special   torques   shown, all   fasteners   are   tightened   to   a standard   torque. Refer   to Appendix   E. EQUIPMENT  CONDITION References Condition   Description TM   10-3930-643-10 Hydraulic   system   at   operating   tempera- ture   parked   on   level   ground,   parking brake   applied. Go  to  sheet  2 14-24