TM  5-5420-226-20-1 DETAILED TROUBLESHOOTING PROCEDURE Symptom-23 VEHICLE OPERATION -   BRAKES PARKING BRAKE WILL NOT RELEASE. Check   if parking   brakes   will  release    by  using  pry bar  on bellcrank. Both  Technicians (Outside  Vehicle) l   Block   tracks    to   prevent    movement of   vehicle. Both    Technicians (Rear Grille Doors) l   Remove    transmission shroud (page 9-2). First Technician (Rear Grille Doors) l   Disconnect parking brake    cable    at   bellcrank on   top   of transmission (page 13-1 10). l   Attempt to   release brakes by   carefully using    short pry bar   on   the   bellcrank at   air   cooling tin   (DO NOT USE EXCESSIVE FORCE). Dld   parking brakes release? I I NOTE This   procedure is to  be  performed by two persons. The lead person is referred to  as  the  first   technician and shall  direct   the  activity of  the   second person    called   the   second technician. . 1 BE ( AIR   COOLING FINS l   Malfunction corrected. l   Connect parking brake    cable (page 13-119). l   Adjust    parking    brake    cable (page 13-126). TA107O38 4-349 -..