TM 9-2815-210-34-2-2
4-77. FLAME HEATER SYSTEM SPARK PLUG (SIDE-MOUNTED SYSTEM).
a. Cleaning and Inspection .
1.
Clean spark plug.
Refer to TM 9-4910-389-12.
2.
Check that sparkplug case (1) is not cracked.
3.
Check that sparkplug electrodes (2) are not cracked or bent.
4.
Check that threads (3) are not crossthreaded or burred.
END OF TASK
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