HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND 12-15. Fork  Position  Cylinders  (S/N INSTALLATION 38. 39• 40. 41. 42. 43. TM 10-3930-643-34 MAINTENANCE.  (cont) 2000 and below). (Sheet 8 of 10) Install  cylinder  assembly  (21)  in mounting  bracket. Hydraulic  fluid ports are to be positioned as shown. Using  a  plastic  mallet,  install  pin (22). Using a 1-1/8"   socket and torque wrench,  install  nut  (20)  and  tighten to 90 lb-ft, then back off 1/4 turn. This  is  necessary  to  allow  cylinder end  movement  between  the  bracket  and cylinder  assembly. Using a plastic hammer and slip joint pliers, install pin (19) and new cotter pin (18). Install  cylinder  assembly  (16)  in mounting  bracket. Hydraulic  fluid ports are to be positioned as shown. Using  a  plastic  hammer,  install  pin (17) l Go to sheet 9 12-139

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