TM 5-6675-312-14
NOTE
If you have a malfunction which is not listed in this table, notify the next higher level of maintenance.
Table 4-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
THEODOLITE AND TRIBRACH ASSEMBLY
1.
THEODOLITE AND TRIBRACH ASSEMBLY WILL NOT SEAT PROPERLY ON TRIPOD HEAD
Step 1. Check alinement of the central fixing screw.
Restart central fixing screw (see fig. 2-5).
Step 2. Inspect tribrach assembly for defects.
Replace defective tribrach assembly (see fig. 2-1).
Step 3. Tripod head defective.
Replace tripod.
2. THEODOLITE AND TRIBRACH ASSEMBLY WILL NOT STAY ON LINE
Step 1. Check theodolite and tribrach assembly leveling (fig. 2-21).
Replace theodolite and tribrach assembly.
3. LIGHTS ON VERTICAL AND HORIZONTAL CIRCLES UNEQUAL OR ABSENT
Step 1. Plug-in lamp defective.
Repair plug-in lam (see fig. 3-3).
Step 2. Batteries defective.
Replace batteries (see fig. 2-14).
Step 3. Illuminating mirror defective.
Replace theodolite.
4. TRIPOD LEG WILL NOT LOCK IN POSITION
Leg clamping screws loose.
Tighten screws (see fig. 4-7).
4-8
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