01 March 2005
tagged (DD Form 1577-3) for identification, description
g. If the primary method cannot be followed, use
of the accident/incident experienced, listing of the
one of the alternate methods specified in paragraph
were exposed, and to indicate the type of CPC applied.
CPC's shall be removed prior to reusing the equipment.
10-6.10. IN-PLACE CLEANING. If cleaning must be
accomplished while the equipment is installed, the use
10-6.9. NONREMOVABLE AVIONIC EQUIPMENT.
Those nonremovable avionic components exposed to
recommended for flushing inaccessible areas.
salt water or fire extinguishing agents shall be cleaned
10-6.11. D R Y I N G AND PRESERVATION OF
NONREMOVABLE AVIONIC EQUIPMENT. In most
cases the only technique for drying installed,
nonremovable avionic equipment is through the use of
The emergency cleaning, drying, and
Hot Air Gun, Raychem HT-900 (Volume IV or V, Chapter
preservation of equipment bays and airframe
3), or air drying where specified.
structures shall be in accordance with Volume II
of this manual (Navy and Army) or TO 1-1-1-691
Compressed air used for drying can create
a. Electrically ground the aircraft.
airborne particles that may enter the eyes.
Pressure shall not exceed 10 psi. Eye protection
Ensure that all electrical power is disconnected
a. Blow off excess water with not more than 10 psi
from the aircraft and all systems in the aircraft
dry air pressure or dry nitrogen. Deflect jet of air off
are deactivated. Disconnect all batteries.
interior, back, and sides of enclosure to diffuse.
Voltages used may cause severe shock or
death on contact. Use caution and avoid contact
b. Dry the equipment with Hot Air Gun, Raychem
with energized components.
b. Turn off all electrical power and disarm aircraft,
c. After drying, preserve as specified in paragraph
including ejection seats. Disconnect and remove all
d. Wipe off excess with Cleaning Cloth, CCC-C-46
c. Refer to emergency priority list in Volume II of this
manual (Army and Navy) or TO 1-1-691 (Air Force).
10-6.12. TERMINAL BOARDS, JUNCTION BOXES,
d. Open all equipment bay doors. Remove all access
RELAY BOXES, AND CIRCUIT BREAKER PANELS.
panels, equipment, and components that are normally
Terminal boards, junction boxes, relay boxes, and circuit
breaker panels not normally removed from the aircraft
shall be cleaned according to the following procedures:
e. Examine all nonremovable avionic equipment
and components for evidence of salt water, extinguishing
a. Remove covers and access panels.
agents, smoke, or oil films.
b. Clean using the primary method in paragraph
f. Items that are contaminated shall be cleaned
possible. Ensure that areas behind and under mounting
c. Dry the equipment with Hot Air Gun, Raychem
structures/components are thoroughly cleaned. Further
information on cleaning up fire fighting fluids is included
d. Check the terminal boards and junction boxes
for loose mountings, loose or broken connections,
cracks, and breaks, before returning equipment to