CHAPTER 4
ORGANIZATIONAL MAINTENANCE
Section I. PREVENTIVE MAINTENANCE
30. General Preventive Maintenance Techniques
a.
27. General
Use a clean, dry, lint-free cloth or a dry brush for
a. Usually a number of tools, materials, or tool
cleaning.
equipment kits are furnished with the equipment or
supplied to the organization for use with the equipment.
(1) If necessary, except for electrical contacts,
b. The organizational maintenance that can be
moisten the cloth or brush with Solvent, Dry
performed on Signal Generator AN/URM-70 depends on
Cleaning (SD); then wipe the parts dry with a
the existing military regulations (Standing Operating
cloth.
Procedure), the existing tactical situation, and also on
(2) Clean electrical contacts with a cloth moistened
the tools and other test equipment issued.
with carbon tetrachloride. Do not use emery
cloth. Wipe them dry with . clean dry cloth
a
28. Tools and Materials
and inspect.
a. Tools and materials used, but not supplied, with
Caution
Signal Generator AN/URM-70 are listed in (1) and (2)
Repeated
contact
of
carbon
below. The tools and materials contained in Tool
tetrachloride
with
the
skin
or
Equipment TE-41 are listed in Department of the Army
prolonged breathing of the fumes is
Manual SIG 6-TE-41.
dangerous.
Make sure adequate
(1) Tools.
ventilation is provided.
1 Tool Equipment TE-41
b. Dry compressed air may be used to remove
1 Tube Puller TL-201
dust from inaccessible places. The pressure used
(2) Materials
.
should not exceed 60 pounds per square inch. Be
careful, or mechanical damage from the air blast may
Orange stick
result.
Cheesecloth, bleached, lint-free
Carbon tetrachlode
ir
c. For
further
information
on
preventive
maintenance techniques, refer to TB SIG 178.
Paper, sand, flint #000
Solvent, Dry Cleaning (SD)
31. Use of Preventive Maintenance Forms
b. Three Allen wrenches are supplied with Signal
Generator AN/URM-70: No. 6 (stock No. 6R57400-6),
No. 8 (stock No. 6R57400), and No. 10 (stock No.
a. The decision as to which items on the forms are
6R55496). They are secured by electrical clips on the
applicable to this equipment is a tactical decision to be
inside right panel of the dust cover.
made in the case of first echelon maintenance by the
communications officer/chief or his designated
29. Definition of Preventive Maintenance
representative, and in the case of second and third
echelon maintenance, by the individual making the
Preventive maintenance is work performed on
inspection. Instructions for the use of each form appear
equipment (usually when the equipment is not in use) to
on the reverse side of the form.
keep it in good working order so that breakdowns and
needless interruptions in service will be kept to a
e
minimum.
Preventive maintenance differs from
totally applicable to Signal Generator AN/URM-70.
troubleshooting and repair 16 since its object is to
References in the item column are
prevent certain troubles from occurring.
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