NAVAIR 01-1A-509-3
01 March 2005
TM 1-1500-344-23-3
TO 1-1-689-3
2-4.9. C L E A N I N G TRACK EXAMPLE. As an
Types of Contamination versus
illustrative example of cleaning track use, assume the
Cleaning Tracks
cleaning track is "BCSR235". This would correspond
Cleaning Track Numbers
to the following maintenance actions (refer to Figure 2-3
Type of
and Table 2-3):
1
2
3
4
5
6
7
8
a. B - Clean with the abrasive tool and glass beads.
√
√
√
Light Dirt/Dust
√
√
Heavy Dirt/Dust
b. C - Scrub with cleaning brush.
√
√
√
√
√
Salt Spray
c. S - Clean with water base spray with one ounce
√
√
√
√
Light Corrosion
of detergent, MIL-D-16791, in 1 gallon of fresh water at
a maximum of 30 psi.
√
√
√
√
Heavy Corrosion
√
√
Oil
d. R - Rinse with water base spray with fresh water
at a maximum of 30 psi.
√
√
Grease
√
√
Hydraulic Fluid
e. 2 - Dry in circulating air drying oven at 130F
(54C).
2-4.6. TYPE OF AVIONIC EQUIPMENT. The criteria
f. 3 - Air dry as required.
for selection of a cleaning track are also based on type
of avionic component to be cleaned. A thorough
g. 5 - Preserve as specified by the component's
inspection of the item to be cleaned is important to
Maintenance Instruction Manuals (MIMs) or Chapter 9.
determine the type of circuitry and components
involved. Table 2-2 is a guide for determining the
2-4.10. CLEANING TRACK DESCRIPTIONS. The
cleaning track to use on various electronic and electrical
components.
cleaning tracks are designed to fulfill specific functions.
Drying selection depends on availability of drying
2-4.7. CLEANING RESTRICTIONS.
ovens, Volume of the component, and time available
for drying. Appropriate painting, preservation, and
2-4.7.1. Selection of the cleaning track is a decision to
packaging steps are selected for the individual item
be made by the avionic cleaning facility supervisor.
being cleaned. The following are description of each
Certain circuit components can be damaged by support
cleaning track based on Figure 2-3 and Table 2-3.
equipment.
2-4.10.1. Track No. 1.
2-4.7.2. The use of support equipment on certain
avionic equipment and components is restricted
2-4.10.1.1. This track removes light dirt, dust, and
(paragraphs 2-5.2. to 2-5.2.5.3.).
salt spray. Solvent and detergent ultrasonic cleaners
are not required. This track is considered the mildest
2-4.8. CLEANING TRACK IDENTIFICATION. The
and has the widest application in cleaning of various
Cleaning Track Diagram, Figure 2-3, shall be used in
types of avionic equipment.
conjunction with Cleaning Track Legend, Table 2-3.
The cleaning track legend defines each element of the
2-4.10.1.2. The component is cleaned and rinsed in
cleaning track. Each function and subfunction on the
the Cleaning Booth (Booth, Cleaning, Water Base
cleaning track is assigned an alphanumeric code.
Solvent Spray) using Detergent, MIL-D-16791. One
These characters are used to identify the cleaning
ounce (2 tablespoons) of detergent is mixed in one
track for recordkeeping purposes. It may be desirable
gallon of fresh water.
to keep a log of all avionic equipment and components
processed through the cleaning tracks. In such cases,
the cleaning track number would identify exactly the
process used when cleaning a particular component.
