01 March 2005
NAVAIR 01-1A-509-3
TM 1-1500-344-23-3
TO 1-1-689-3
CAUTION
The method for internal cleaning of general
Alcohol, Isopropyl
6
purpose test equipment, support equipment,
TT-I-735
and ATE depends on the types of circuit
c o m p o n e n t s involved. This includes
c. Clean metal surfaces with one part Isopropyl
components like tunable cavities, open
Alcohol, TT-I-735 (Volume IV or V, Chapter 2) to one
transformer housings, variable attenuators,
part fresh water. Apply with Cleaning Cloth, CCC-C-46
rotary switches, and trim potentiometers that
Class 7 (Volume IV or V, Chapter 2).
can act as water/solvent traps making drying
difficult. Prior to the internal cleaning of manual
or automatic test equipment, inspect for
components that can act as water or solvent
Compound, Corrosion Preventive
3
traps.
Water Displacing
MIL-C-81309
a. Remove the cover and housing.
d. Apply Water Displacing Corrosion Preventive
b. Inspect for components that can act as water
Compound, MIL-C-81309 Type II (Volume IV or V,
and solvent traps. Refer to Table 2-5 for a list of such
Chapter 2) on metal hardware. Take steps not to get
components.
preservative on acrylic plastic faceplates.
c. Seal, bag or remove potential water and solvent
e. If required, aluminum surfaces shall be treated
traps in accordance with paragraph 2-5.3.6.
with Chemical Conversion Material, in accordance
with Chapter 5 and Volume II.
d. Remove oil, grease and hydraulic fluid in
accordance with cleaning track DBR2A or DB35. Refer
f. Prepare surface and paint in accordance with
to Table 2-3.
Chapter 5 and Volume II.
e. If components will fit inside Blast Cleaning
g. Clean and preserve toggle, rotary and pushbutton
Cabinet, remove corrosion and clean in accordance
switches in accordance with paragraph 6-3.7.
with cleaning track WSR2C5 or WSR35, as applicable.
Refer to Table 2-3.
h. C l e a n operator/instrument faceplate in
accordance with paragraph 6-2.7.h.
f. If no corrosion products, oil, grease, or hydraulic
fluid exists, clean in accordance with cleaning track
i. Clean and treat light bulb assemblies in
SR2C5 or SR3C5, as applicable. Refer to Table 2-3.
accordance with paragraph 6-3.5.
6-3.2.8. Internal Cleaning of General Purpose Test
6-3.2.7. Internal Cleaning of Support Equipment. With
Equipment. Oscilloscopes, signal generators, and
the exception of emergency procedures assigned to
frequency counters usually accumulate more dust and
Organizational/Unit Maintenance (refer to Chapter 10),
dirt than other contaminants. The internal cleaning
the internal cleaning of support equipment is normally
and preservation of general purpose test equipment
an Intermediate Maintenance Activity function. This
shall be as follows:
cleaning and preservation of support equipment shall
be as follows:
6-20