3-39. NOZZLE MAINTENANCE.
This Task Covers:
Tool Kit, General Mechanics
Cleaning Solvent (Item 11, Appendix E)
Locking Compound (Item 6, Appendix E)
Cleaning solvent, Federal Specification P-D-680, is toxic and flammable. Use only in a well-
ventilated area. Avoid prolonged breathing of fumes. Keep solvent away from flames. Do not
use in excessive amounts. Avoid skin contact.
Heater unit shut down and cool.
Power cable disconnected from power source.
Air filters and access door removed (para 3-10a).
Flame detector removed (para 3-37a).
Electrodes removed (para 3-38a).