TM 9-4520-260-13
Table 4-2. Unit Troubleshooting - Continued
HEATER CYCLES ON-OFF EXCESSIVELY
SECTION IV. UNIT MAINTENANCE PROCEDURES
4-9. INTRODUCTION.
Instructions for removal and replacement of installed components are listed in a logical removal sequence as prescribed
by the Maintenance Allocation Chart (MAC). Procedures will include (as applicable) disassembly, cleaning, inspection,
reassembly, installation, and testing to return the heater to an operational condition.
NOTE
Because this heater is used in many different installation configurations, power,
fuel, exhaust, and ductwork connections vary. Disconnect as required.
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