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REMOVA (cont)
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TM-5-4210-220-34 Truck Firefiighting 1000 GPM Multipurpose Model 2500L Manual
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General Inspection Instructions (cont)
TM 5-4210-220-34 p. Complex Components Components  that  consist  of  a  fabrication  with  passages  and  cavities  should  be  checked  thoroughly  after cleaning.  A thin flexible wire should be run through all passages to ensure they are not blocked.  Individual passages may be cleaned using a pressure spray gun and dry cleaning solvent (item 10, Appendix B) 2-7.3 General Inspection Instructions. a. Sealing Surfaces Check all contact surfaces of gaskets, packings, or seals.   Ensure there are no nicks, burrs, or scratches. These might damage new seals during assembly. b. Ball and Roller Bearings Check  bearings  for  pitted  balls,  races,  or  separator.      Bearings  shall  be  rejected  if  any  of  the  following  are seen in the race load area: (1) Cuts or grooves parallel to ball or roller rotation. (2) Fatigue pits (not minor machine marks or scratches). (3) Cracks found during magnetic particle inspection (4) Serious abrasion of balls or rollers. (5) Serious discoloration of any part of the bearing. c. Drain Plugs When removing drain plugs from transmission, engine, or axles, inspect the plug.   A build-up of grit and/or fine metal particles may indicate part failure.   A few fine particles are normal. d. Tubing and Hoses Check  all  hose  surfaces  for  broken  or  frayed  fabric.    Check  for  breaks  or  weak  points  due  to  kinking  or rubbing.    Inspect  metal  tube  lines  for  kinks  or  excessive  corrosion.    Inspect  fitting  threads  or  clamps  for damage.  Replace any faulty part.  After assembly, check all disturbed joints for leaks. e. Splines Inspect shaft splines for wear.   This will include pitting, peening or fatigue cracks.   Perform magnetic particle inspection if needed. f. Electrical Parts Inspect  all  wiring  for  chaffed  or  burned  insulation.      Check  all  terminals  for  tightness  Check  all  lamps  for failure.   Check for burns, or broken fittings or components g. Gears The  following  steps  should  be  used  to  make  a  general  visual  inspection  of  all  gears.    Specific  tests  for particular gears, outlined in the text, should also be carried out.  If any gear looks faulty, perform a surface temper and/or magnetic particle inspection. 2-12

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