TM 11-6730-235-35
CHAPTER 4
DIRECT AND GENERAL SUPPORT TESTING PROCEDURES
(57.7C) is the only item of test equipment
4-1. General
required to perform the testing procedures in this
chapter.
a. Testing procedures are prepared for use by
organizations responsible for direct and general
4-3. Modification Work Orders
support maintenance of the projector to determine
the acceptability of repaired equipment. These
The performance standards listed in the test (paras
procedures set forth specific requirements that
repaired projectors must meet before being
modification work orders (MWO) have -been
returned to the using organization.
performed. Refer to the latest issue of DA Pam
310-7 to make certain that no MWO's have been
b. Comply with the instructions preceding the
performed on the projector under test.
body of each of the performance check charts in
this chapter before proceding to the charts
4-4. Physical Tests, Inspection, and Mechanical
themselves. Perform each test in sequence. For
Operation
each step, perform all of the actions required in the
Control settings column; then perform each
a. Test Equipment and Materials. None re-
specific test procedure and verify it against its
quired .
performance standard.
b. Test Conditions. Disconnect the line plug
4-2. Test Equipment Required
from the power source to remove input power to
the projector.
A thermometer capable of measuring within the
c. Procedure.
temperature range of 130F (53.3C) to 136F
Control settings
Step
Perfomance standard
Test procedure
Equipment
Test
under test
No.
1
a. Screws and nuts must be
a. Inspect all mechanical as-
Controls may be in
None
tight; none missing.
semblies for loose or miss-
any position.
ing screws and nuts.
2
c. No evidence of burning or
a. Inspect line plug, conven-
None
Controls may be in
charring; electrical caps are
any position.
ience outlet, and all elec-
trical connections in case
secure; screw connections
must be tight; terminal lugs
assembly interior.
must be secure on posts.
b. No evidence of frays, worn
b. Inspect line cord for evi-
Controls may be in
insulation, or breaks, kinks,
dence of fraying, wear,
any position.
breaks, kinks, and burns.
or burns.
4-1
