4-59. FLAME HEATER IGNITION UNIT (UNCOVERED SYSTEM).
a. C l e a n i n g .
(1) Cap receptacle openings on ignition unit.
D r y cleaning solvent is flammable. Do not use
near an open flame. K e e p a fire extinguisher
n e a r b y when solvent is used. Use only in well-
v e n t i l a t e d p l a c e s . Failure to do this may result
i n injury to personnel and damage to equipment.
Ignition unit should not be dipped in cleaning
( 2 ) Clean ignition unit with cloth moistened with dry cleaning solvent.