TM5-2430-200-10 61 Operation Section Machine Operation Operation Section Machine Operation Machine Operation To  minimize  whole  body  vibration  limit  daily  machine usage to four hours at the dig site. Substitute operators if  the  mission  dictates  more  than  four  hours  at  the  dig site. Failure to comply may result in injury. Earthmoving Mode Put the machine in EARTHMOVING mode when using   the machine for dozing, or ripping. EARTHMOVING   mode may also be used for winching. When the   machine is in EARTHMOVING mode: ·   the suspension is locked in forward, and active in reverse. ·   the transmission is limited to three speeds forward,   with manual shifting. ·   the engine is limited to the low horsepower setting. To Place the Machine in EARTHMOVING   Mode 1.  Stop the machine and place transmission control lever (1) into NEUTRAL. 2.  Move the self-deploy/earthmoving switch to EARTHMOVING position (2). Manual Suspension Locking Valves are installed on the machine to manually lock the suspension into EARTHMOVING mode. These valves provide a way to lock the suspension if the electrically operated solenoids do not function. LOCK—Turn manual suspension lockout valves (3) (on both sides of the machine) counterclockwise to   manually lock the suspension into EARTHMOVING   mode. NOTICE Do  not  operate  the  machine  in  SELF-DEPLOY  mode  when the  suspension  is  locked  by  the  manual  suspension  locking valves. Damage to the machine may result. UNLOCK—Turn manual suspension lockout valves (3), on both sides of the machine, clockwise to return control of the suspension locking function to the self- deploy/earthmoving switch.