TM 10-6640-215-13 INDEX SUBJECT PAGE S Safety, care and handling ....................................................................... ............................................... 1-2 Service upon receipt    ............................................................................................................................ 4-2 Site and shelter requirements................................................................................................................. 2-42 Steam boiler (high pressure remove/install ............................................................................................ 5-42 Storage brackets, remove !install ........................................................................................................... 4-104 Stowage box (roadside), remove/install.................................................................................................. 4.145 Stowage box (curbside).  remove/install................................................................................................. 4-148 Sump pump, remove/install ................................................................................................................... 5-20 Surge tank, remove/install ..................................................................................................................... 5-7 T Technical principles of operation ............................................................................................................ 1-22 Thermal stability tester, remove/install ................................................................................................... 4-137 Typewriter ribbon, remove/install ........................................................................................................... 3-29 U Unit maintenance procedures................................................................................................................. 4-20 Unit PMCS............................................................................................................................................. 4-4 Unit troubleshooting ............................................................................................................................ 4-11 Utilities box, repair ......................................................................... ................................................... 4-21 V Vacuum system, repair .......................................................................................................................... 4-86 Index-6