TM 5-3895-377-13&P PART THREE CHAPTER 5 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS Para Contents Page 5-1 Common Tools and Equipment.......................................................................................................... 5-2 5-2 Special Tools, TMDE, and Support Equipment.................................................................................. 5-2 5-3 Repair Parts .................................................................................................................................... 5-2 5-4 Packing and Unpacking...................................................................................................................... 5-2 5-5 Lubrication Introduction ...................................................................................................................... 5-2 5-6 General Lubrication Instructions......................................................................................................... 5-3 5-7 PMCS Introduction ............................................................................................................................. 5-3 5-8 PMCS Procedures.............................................................................................................................. 5-3 5-9 Cleaning Agents ................................................................................................................................. 5-4 5-10 Shortened Maintenance Instructions.................................................................................................. 5-5 5-11 Additional Maintenance Inspections................................................................................................... 5-5 5-12 Leakage Definitions for PMCS ........................................................................................................... 5-5 5-13 PMCS Column Entry Explanation....................................................................................................... 5-6 5-14 PMCS Table .................................................................................................................................... 5-6 5-15 Maintenance Introduction ................................................................................................................... 5-7 5-16 Operational Checks............................................................................................................................ 5-7 5-17 Inspection of Components.................................................................................................................. 5-7 5-18 Cleaning Procedures.......................................................................................................................... 5-8 5-19 Removal and Disassembly of Components ....................................................................................... 5-9 5-20 Painting .................................................................................................................................... 5-9 5-21 Lubrication .................................................................................................................................... 5-9 5-22 Assembly .................................................................................................................................... 5-9 5-23 Installation .................................................................................................................................... 5-10 5-24 Adjustment .................................................................................................................................... 5-10 5-25 Burner Limit Switch Conduit Replacement/Repair ............................................................................. 5-13 5-26 Pump Motor Conduit Replacement/Repair......................................................................................... 5-19 5-27 General Wiring Repair........................................................................................................................ 5-23 5-28 Chassis Wiring Harness Replacement/Repair ................................................................................... 5-27 5-29 Heat Exchanger Wiring Harness Replacement  ................................................................................. 5-39 5-30 Control Panel and Box Replacement ................................................................................................. 5-62 5-31 Air Relay Valve Repair ....................................................................................................................... 5-66 5-32 Circulating Pump Repair .................................................................................................................... 5-72 5-33 Pressure Relief Valve Repair ............................................................................................................. 5-87 5-34 Valve No  1 Repair .............................................................................................................................. 5-90 5-35 Valve No  2 or No 3 Repair ................................................................................................................. 5-93 5-1