TM  10-3930-643-34 HYDRAULIC   SYSTEM 12-2. Hydraulic TROUBLESHOOTING  AND  MAINTENANCE. Pump. (Sheet 1 of 4) This task covers: a. Removal b. Cleaning/Inspection c. Installation INITIAL  SETUP Tools Tool Kit, General Mechanic’s Automotive NSN 5180-00-177-7033 Shop Equipment, Automotive Maintenance  and  Repair: Field  Maintenance,  Basic, Less  Power NSN 4910-00-754-0705 Shop Equipment, Automotive Maintenance  and  Repair: Field Maintenance NSN 4910-00-919-0076 Materials/Parts Cleaning  solvent  P-D-680 (App. C, Item 5) Clean cloth (App. C, Item 24) Detergent (App. C, Item 33) Small tag (App. C, Item 28) Preformed  packing  (4) Seal  (2) Torques Bolts (12) to 55 lb-ft. EQUIPMENT   CONDITION References TM  10-3930-643-20 Condition  Description Hydraulic  reservoir  drained. REMOVAL 1. Using a 9/16” socket and socket wrench handle, remove four bolts (1) and two flange halves (2) from right side of vehicle. Go to sheet 2 12-9