Table 4-2. Unit Prventive Maintenance Checks and Services (PMCS) for the Ramp Bay cont. Location Interval Item to Item To Be Inspected Equipment Is Not Service/Check Ready/Available If 13 Weekly Travel Latch Inspect brackets, supports and pins for cracks, Cracks,  broken  welds broken welds and deformation. noted or deformation causes  binding. Inspect  springs  for  deformation  and  stretching. Springs  stretched. 14 Weekly Travel Latch Inspect brackets, shims and strike catches for Broken welds, binding or Receptacle cracks, broken welds, binding and deformation  prevents deformation. engaging  latch  noted. 15 Weekly Cable  Guide Inspect  for  cracks,  gouges,  jagged  protrusions, Eye  cracked,  elongated erosion  or  surface  area  and  elongation  of  eye. more than 0.50 at upper arc or aluminum eroded to within .050. 16 Weekly Bridge  Latch Inspect brackets, supports and pins for cracks, Cracks,  broken  welds broken welds and deformation. noted or deformation causes  binding. Inspect  springs  for  deformation  and  stretching. Springs  stretched. 17 Weekly Lower  Lock Inspect screw and threads for cracks, burrs, Screw will not extend or Drive nicks  and  deformation. retract drive pin properly. Inspect trunions, and drive pin for cracks. Cracks  or  broken  welds Inspect cover bumpers and supports for noted. broken welds and deformation. NOTE Yokes  are  secured  by headless pins, flat washers and  cotter  pins.  Ensure  yokes are secured properly. Severe equipment  failure  or  personnel injury  may  result. 18 Weekly Male  yoke Inspect for cracks, deformation and elongation Cracks  noted  or of eye. deformation/elongation prevent  proper operation. 19 Weekly Female  Yoke Inspect for cracks, deformation and elongation Cracks  noted  or of eye. deformation/elongation prevent  proper operation. 20 Weekly Hydraulic Ensure cylinder functions properly in Cylinder does not Cylinder conjunction  with  hand  pump. function properly. Inspect cylinder for leaks. Class II or Ill leak noted. Inspect lines and fittings for cracks, compression,  and  leakage. Class II or Ill leak noted. 4-14 TM  5-5420-209-12 Item No. P r o c e d u re