T M   9 - 2 3 5 0 - 2 5 6 - 2 0 CHAPTER  2:  VEHICLE  MAINTENANCE  INSTRUCTIONS 2 - 1 6   Q U I C K   G U I D E   T O   T R O U B L E S H O O T I N G - C o n t i n u e d a.    MECHANICAL-Continued Item Problem Transmission Center   Section and Output Reduction Sears Driver’s Controls 1 2 3 4 5 6 7 1 2 3 4 5 6 Tracks   and Suspension Mechanical Transmission b.  HYDRAULIC I I Item Problem Main    Winch Hoist   Winch Hoisting  Boom 1 High   transmission   oil   temperature. See page 2-40.10 2 Vehicle  will  steer  or  pivot  but  will  not  drive  in  any  range. See page 2-40.10 3 Vehicle  will  not  drive  in  low  range. See page 2-40.10 4 Vehicle  will  not  drive  in  intermediate  range. See page 2-40.10 5 Vehicle  will  not  drive  in  high  range. See page 2-40.10 6 Vehicle  will  drive  but  creeps  in  neutral. See page 2-40.10 7 Transmission cannot be down-shifted. See page 2-40.10 Vehicle  will  not  steer  in  either  direction. Vehicle  will  steer  in  only  one  direction. Depressing  brake  pedal  will  not  stop  vehicle  effectively. Brakes dragging at one or both sides of vehicle. Engine does not respond properly to throttle controls. No back pressure, or insufficient pressure, when operating purge pump. See  page  2-40.12 See  page  2-40.12 See  page  2-40.12 See  page  2-40.12 See  page  2-40.12 See page 2-40.12 Excessive  back  pressure  when  operating  purge  pump. See page 2-40.12 Vehicle  pulls  to  one  side. Vehicle    throws    track. Vehicle sags to one side. Vehicle   rides   excessively   hard. Thumping  noises  heard  during  vehicle  operation. Excessive noise in track or suspension during vehicle operation. See page 2-40.14 See page 2-40.14 See page 2-40.14 See page 2-40.14 See page 2-40.14 See  page  2-40.14 Mechanical  transmission  fails  to  operate,  slips,  or  chatters. See page 2-40.15 1 Main  winch  fails  to  operate. 2 Main    winch    operates    with    difficulty. 3 Main  winch  creeps  with  control  in  neutral  or  winch  brake  fails  to hold    load. See page 2-40.16 See page 2-40.16 See page 2-40.16 4 Main  winch  level  winder  fails  to  traverse. See page 2-40.16 1 Hoist  winch  fails  to  operate. See  page  2-43 2 Hoist    winch    operates    with    difficulty. See  page  2-43 3 Hoist  winch  creeps  or  fails  to  hold  load. See page 2-43 1 Hoisting  boom  does  not  operate. See  page  2-45 2 Hoisting   boom   operates   with   difficult) See  page  2-45 Solution  or Reference Solution  or Reference 2-36 Change  1