TM 5-6675-328-14
Table 2-2. TROUBLESHOOTING-Cont.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
OPTICAL PLUMMET CROSS HAIRS DO NOT MOVE.
Step 1.
Check for input power to the optical calibrator.
(a) Perform steps 1 thru 7 of MALFUNCTION 1.
(b) If movement is not restored, proceed to step 2.
Step 2.
Check for proper OPC control cable connection.
(a) If disconnected or loose, connect or tighten connections.
(b) If properly connected, proceed to step 3.
Step 3.
Check for continuity of control handle cable and switches.
(a) If continuity does not exist, replace control handle (paragraph 2-10.2).
(b) If continuity exists, refer to direct/general support maintenance.
2-10. MAINTENANCE PROCEDURES.
a.
This section contains instructions covering operator maintenance functions for the short-range optical calibrator.
Personnel required are listed only if the task requires more than one.
b.
After completing each maintenance procedure, perform operational check to be sure that equipment is properly
functioning.
INDEX
PROCEDURE
PARAGRAPH
Replace Fuse ...........................................................................................................................................2-10.1
Replace Optical Plummet Control Handle. ...............................................................................................2-10.2
2-60
