TM 9-1240-400-34&P
3-6.
TROUBLESHOOTING PROCEDURES (CONT).
Table 3-2. GENERAL SUPPORT TROUBLESHOOTING (cont)
TM 9-1240-400-34&P
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
COVER ASSEMBLY (4) IS NOT SECURED PROPERLY.
Check for looseness.
Tighten cover assembly. Refer to page 3-7.
7.
PLATE (5) ON COVER ASSEMBLY IS NOT LEGIBLE.
Observe visually.
Replace plate. Refer to page 3-7.
OBJECTIVE CELL ASSEMBLY
8.
OBJECTIVE CELL ASSEMBLY (6) HAS MOISTURE OR FOREIGN MATTER.
Observe visually.
a.
Purge. Refer to TM 750-116.
b.
Disassemble, clean, and reassemble. Refer to page 3-16.
9.
PARALLAX EXCEEDS 0.1 MIL AT 125 METERS.
Observe visually.
Adjust objective cell assembly. Refer to page 3-19.
3-6
