HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND 12-16. Fork  Position  Cylinders  (S/N REMOVAL NOTE Tag all hose and tube assemblies before disconnecting to aid in installation. 1. 2. 3. 4. 5. 6. 7. TM 10-3930-643-34 MAINTENANCE.  (cont) 2001 and above). (Sheet 2 of 10) Using an 11/16”   open end wrench, disconnect tube assemblies (1 and 2) from tee fitting and elbows (3 and 4) on  vehicle  carriage  assembly. Remove elbows (3 and 4) and preformed packings (5 and 6). Discard preformed packings (5 and 6). Disconnect  tube  assembly  (7)  from elbow (8) and flow divider. Remove elbow (8). Remove and (9). Disconnect elbow  (11) discard  preformed  packing tube  assembly  (10)  from and flow divider. Remove  elbow  (11)  and  preformed packing (12). Discard  preformed packing (12). Go to sheet 3 12-143