TM 5-1260-206-34
CHAPTER 4
OPTICAL-MECHANICAL SCANNER SU-119/UYK-48 MAINTENANCE
Section I.
REPAIR PARTS, SPECIAL TOOLS,
TMDE, AND SUPPORT EQUIPMENT
4-1. COMMON TOOLS AND EQUIPMENT - For authorized common tools and equipment,
refer to the Modified Table of Organization and Equipment (MTOE) applicable
to your unit.
SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT -
4-2.
Special Tools: None
TMDE: Multimeter, TS-352 (or equivalent)
Oscilloscope, AN/USM-281 (or equivalent)
Support Equipment:
None
4-3. REPAIR PARTS -Repair parts applicable to DS/GS maintenance are listed
and illustrated in the Repair Parts and Special Tools List, TM 5-1206-206-24P.
OPERATIONAL CHECKS
Section II.
4-4. VISUAL AND MECHANICAL INSPECTION - Visual and mechanical inspection pro-
cedures for the OMS are included in table 2-1.
4-5. PERFORMANCE TEST - Performance test procedures for the OMS are included
in table 2-2.
TROUBLESHOOTING
S e c t i o n III.
4-6. SYMPTOM INDEX - Table 4-1 is a symptom index for uncommon malfunctions
of the OMS. Each symptom references an applicable troubleshooting procedure
f o r further fault isolation.
OMS Symptom Index
Table 4-1.
PROCEDURE
TABLE
MALFUNCTION
SYMPTOM
Connectors damaged
Photo-carriage binds when moved
1
1
X-axis parallax adjust binds
1
Y-axis parallax adjust binds
Measuring mark holder does not lock
1
2
Overhead lamps not lit
4-1
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