B  -  Before Item No. 14 PREVENTIVE    MAINTENANCE B Interval D A w D  -  During TM10-3930-660-10 CHECKS   AND   SERVICES A-  After W  -  Weekly Item  To  Be  inspected Procedure:  Check  for  and  repair, fill  or  adjust  as  necessary SYSTEMS   OPERATIONAL   CHECK a. b. c. d. Operate  two  wheel,  four  wheel, and  crab  steering  fully  in  one direction  and  then  in  the  opposite direction.   Check   for   proper   and smooth   operation. Press  the  service  brake  pedal and  check  to  ensure  that  pedal is  firm  and  does  not  depress completely  to  floor. Place   transmission   in   forward gear  and  allow  vehicle  to  move. Operate   the   service   brakes. Vehicle  should  stop. With   parking   brake   applied, place   travel   select   control   lever in  forward  gear.  Vehicle  should not  move. Before  operating  the  boom,  use  care to  ensure  that  the  boom  does  not  come near  overhead  power  lines  or  structures. Do  not  raise  or  extend  the  boom unless  the  frame  is  level. e.   Operate   the   boom   extend,   retract, raise  and  lower.  Check  for smooth   operation. f.   Operate   the   frame   tilt   from   full left  to  full  right. g.   Check   fork   movement,   right   and left,   for   proper   operation. Equipment   Is   Not   Ready/ Available   If: Erratic  or  noisy operation. Pedal  is  spongy  or  goes to  floor. Vehicle  does  not  stop. Parking  brake  does  not hold   vehicle. Boom   operation   is   erratic. Boom   does   not   function. Frame  tilt  is  erratic  or does  not  tilt. Either  fork  does  not operate. 2-21