TM 5-6675-317-14
3-19. DIRECT/GENERAL SUPPORT TROUBLESHOOTING PROCEDURES.
a. Direct/general support troubleshooting procedures cover the most common mal-
functions that may be repaired at the direct/general support level. Repair or ad-
justment requiring specialized equipment is not authorized unless such equipment
is available.
Troubleshooting procedures used at lower levels should be conducted
in addition to the direct/general support troubleshooting procedures.
b.
This manual cannot list all the possible malfunctions or every possible
test/inspection and corrective action.
If a malfunction is not listed or corrected
by a listed corrective action, notify your supervisor.
For unidentified malfunctions, use the facing schematic or the foldout
located at the end of this manual for further fault analysis.
Table 3-3. DIRECT/GENERAL SUPPORT TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
NO ILLUMINATION.
Step 1.
Check fuse with multimeter for continuity.
(a) Replace fuse if defective (paragraph 3-10.1).
(b) If fuse is good, proceed to step 2.
Step 2.
Check for 120 V ac output at ON/OFF switch.
(a) If 120 V ac is present, replace illumination controller
assembly.
(b) If
Step 3.
Check for
Perform
voltage is not present, replace switch
120 V ac output at receptacle.
(paragraph 3-20.3).
no power procedures for dead receptacle (Table 1-4).
3-37