TM  5-5420-209-12 Table  4-1.  Unit  Preventive  Maintenance  Checks  and  Services  (PMCS)  for  the  Transporter  cont. Location Item Interval Item to Item To Be Inspected Equipment Is Not Service/Check Procedure Ready/Available If 43 Monthly    Boom  Cylinders    Ensure  cylinders  operate  in  tandem  and  fully Cylinders  do  not  function raise or lower boom without chatter or properly. hesitation. Check  cylinders  for  leakage  and  warpage. Cylinders warped or Class II or III leak noted. Inspect cylinder shaft for nicks, burrs, Cylinder  severely  scored scratches,  scoring  or  warping. or  deformed. Inspect  hoses  for  compression  and  leakage. Class II or III leak noted. 44 Monthly    Winch  (Rear) Ensure winch pays out and plays in cable Winch  does  not  operate properly. properly. Check winch for leaks. Class II or III leak noted. Check hoses for compression and leakage. Class II or III leak noted. NOTE Boom  Pivot  Assembly  consists of round tube, butt plates and saddle.  Pay  particular  attention to  tube  and  butt  plate  welds. 45 Monthly    Boom  Pivot Inspect for cracks, broken welds, unauthorized Cracks  or  broken  welds Assembly holes or plate reinforcement. noted. 46 Monthly    Dual Over Check  for  leakage. Class II or III leak noted. Center  Valve 47 Monthly    Single  Over Check  for  leakage. Class II or III leak noted. Center  Valve 48 Monthly    Hydraulic Lines Check  lines  for  compression,  cracks,  and Class II or III leak noted. and  Clamps leakage. Inspect clamps and rubber grommets for dry rot  and  deformation. 49 Monthly    Cable Ensure tensioner pays out and plays in cable Tensioner  does  not Tensioner under  controlled  tension. function  properly. Assembly (M945) Inspect  tensioner,  lines  and  fittings  for  leakage.    Class II or III leak noted. 50 Monthly    Tensioner  Valve    Check  for  leakage. Class II or III leak noted. 51 Monthly    Gear Pump and    Ensure pump and linkage engage properly. Pump does not function Linkage properly. Inspect pump for leakage. Class II or III leak noted. Inspect  linkage  for  deformation. Linkage  deformed. 4-11 No.