TM 11-6625-3053-14
SECTION II.
OPERATOR PREVENTIVE MAINTENANCE CHECKS & SERVICES
(OPERATOR PMCS)
2-2.
You must do scheduled preventive maintenance checks and services (PMCS) to make sure that your signal
generator is always in operating condition. When you are doing any PMCS or routine checks, keep in mind the
WARNINGS & CAUTIONS about electrical shock and bodily harm.
PMCS PROCEDURES
a. Tools, Materials, and Equipment Required for Preventive Maintenance. No special tools or equipment are
required for operator preventive maintenance. The following cleaning materials will be useful.
Lint free cloths
Soap or detergent
Trichlorotrifluoroethane
b. Routine Checks and Services, Routine checks and services are not listed in the PMCS table at the end of
this section. You should do these whenever you see the need for them to be done. Do the following checks and services
as necessary.
1.
Clean your equipment.
Remove overall dust with a lint free cloth.
Brush dirt from meter face, attenuator window and frequency readout.
Use clean cloth slightly dampened with soapy water if meter face or attenuator window is foggy.
Check connectors for dirt or corrosion. Clean with soft rag or brush to remove encrusted dirt.
If equipment is particularly encrusted with dirt, wipe with clean cloth moistened with trichlo-
rotrifluorethane. Avoid plastic surfaces.
WARNING
Read precautions inside front cover on use of
trichlorotrifluoroethane. Avoid contact. Use only in well
ventilated area.
2.
Check controls and switches for smooth operation.
3.
Check for loose screws or knobs.
4.
5.
c. Preventive Maintenance Checks and Services. Preventive maintenance checks and services are presented
in tabular form. Refer to Table 2-2. An explanation of the columns in this table follows.
1. Item No. This column contains a number for each procedure to be performed. When reporting
malfunctions or failures, place this number in the TM Item No. column of DA Form 2404, Equipment Inspection and
Maintenance Worksheet.
2-4