TM   10-3930-643-20 FRAME AND TOWING ATTACHMENTS 11-5. Hinge   Pin   Lubrication TROUBLESHOOTING Fittings   (Sheet T h i s    t a s k    c o v e r s :    a. Removal c . I n s t a l l a t i on AND  MAINTENANCE.  (cont) 1    of    4) b. Cleaning/Inspection INITIAL  SETUP Tools Materials/Parts Tool   Kit,   General   Mechanic’s Cleaning   solvent   P-D-680 Automotive (App.   C,   Item   2) NSN   5180-00-177-7033 Clean   cloth   (App.   C,   Item   10) 1/8”   nipple   extractor Torques Except   for   special   torques   shown, all   fasteners   are   tightened   to   a standard    torque. Refer   to Appendix   E. REMOVAL 1. Using   a   7/16”   socket  and  socket wrench  handle,  remove  lubrication fitting   (1)   from   upper   front frame   at   hinge   pin. 2. Using   a   9/32”   open   and   box   end wrench,   remove   lubrication   fitting (2)   from   base   of   upper   hinge   pin. Go  to  Sheet  2 11-20

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