TM 5-6675-302-14&P
CHAPTER 5
DIRECT AND GENERAL SUPPORT AND DEPOT
MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT
5-1. Special Tools and Equipment. No special
5-2. Maintenance Repair Parts. Direct and
tools or equipment are required by direct and
general support and depot maintenance repair
general support and depot maintenance personnel
parts and special tools lists are listed and il-
to perform maintenance on the surveying target
lustrated in appendix E.
set.
Section II. TROUBLESHOOTING
5-3. General. Troubleshooting procedures on the
of the leveling screws, circular level, and target
target set in Table 5-1 section provides Direct Sup-
level. Following each malfunction, are tests or in-
port and General Support and Depot Maintenance
spections and corrective actions required to cor-
personnel with tabular information for diagnosing
rect the malfunction.
and correcting unsatisfactory operation or failure
Table 5-1. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Leveling screws won’t hold level.
Step 1. Check for worn leveling screws (Model 242406), or foot screws (Model
USATS-79).
Replace leveling screws (para 5-7).
Step 2. Check for proper adjustment of leveling screws (para 5-7).
Adjust leveling screws.
2. Circular level bubble does not stay in center.
Step 1. Circular level out of adjustment.
Adjust circular level (para 5-8).
3. Target level bubble does not stay in center.
Step 1. Check circular level adjustment.
Adjust circular level (para 8).
Step 2. Target level assembly out of adjustment.
Adjust target level assembly (para 5-13 for Model 242406 or
para 5-14 for Model USATS-79).
Step 3. Check for defective vial.
Replace vial (para 5-8).
5-1
