TM 9-4520-251-14
Chapter 6 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT
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GENERAL.
Repair parts are listed and illustrated in TM 9-4520-251-24P. Special tools are required for general support
maintenance of the heater. See Appendix B, Section Ill for tool listing. Test, Maintenance, and Diagnostic
Equipment (TMDE), and support equipment, includes standard electrical test equipment, standard pressure
and vacuum gauges, and vacuum servicing manifolds found in any general support maintenance facility.
Section Il. AUTHORIZED GENERAL SUPPORT MAINTENANCE ACTIONS
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GENERAL
The only items restricted to general support maintenance level by the Maintenance Allocation Chart (MAC)
are the repair of cracked or broken welds, and repair or replacement of engine, fuel tank, and bearings. How-
ever, general support maintenance may be called upon, at times to perform any or all of the MAC items listed
for unit and direct support maintenance for rehabilitation or overhaul of the heater.
INDEX
Paragraph
Crankcase cover and cylinder assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 -6
Valves, valve seats, and guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
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