Quantcast Loader Control Valve. (Sheet 1 of 14)
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TM  10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE. 12-3. Loader Control Valve. (Sheet 1 of 14) This task covers: a. Removal b. Disassembly c.  Cleaning/Inspection    d.  Assembly e. Installation f. Testing/Adjusting 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 1-1/2"  Open  end  wrench NSN 5120-00-184-8489 Pressure  tester  hand  pump NSN  4940-01-036-5784 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) Sandwich test block (App. D, Item 13) Preformed  packing  (16) Y bolt (4) Torques Nuts (39) to 74 lb-ft. Nuts (41) to 48 lb-ft. Acorn nut (51 and 61) to 10 lb-ft. Jam nut (52 and 62) to 10 lb-ft. EQUIPMENT   CONDITION References Condition  Description TM  10-3930-643-10 Hydraulic  pressure  vented. TM  10-3930-643-20 Right frame access cover removed. Go to sheet 2 12-13

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