TM 5-6625-2691-13&P
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT
maintenance personnel to maintain the test set.
5-1. Tools and Equipment
There are no tools or equipment authorized other
5-3. Maintenance Repair Parts
than those listed in Appendix B for direct support
Repair parts and equipment covering direct support
maintenance personnel.
maintenance are listed and illustrated in the repair
parts and special tools list, Appendix B of this manual.
5-2. Special Tools and Equipment
There are no special tools or equipment required by
Section II. TROUBLESHOOTING
5 - 5 . Troubleshooting
5-4. General
Table 5-1 lists a malfunction which may occur in the
This section contains information useful to direct
test set. The malfunction is followed by a test and in-
support maintenance personnel in diagnosing and cor-
spection which will help you to determine the cause and
recting an unsatisfactory condition that may exist in
corrective action to take. You should perform the test
the equipment. Refer to paragraphs 3-6 and 4-13 for ad-
and inspection in the order listed.
ditional troubleshooting information relative to this
equipment.
Table 5-1. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Before you use this table, be sure you have performed all normal operational checks. If you have a malfunction which is not listed,
notify your supervisor.
LOAD DROPPAGE
WARNING
Do not breathe fumes of burning selenium rectifier. Fumes are toxic and dangerous.
Inspect the selenium rectifier for bum marks, breaks or other damage. Test the rectifier for continuity using a multimeter (para 7-2).
De-energize test set and allow fumes to dissipate. Replace a damaged rectifier.
a. Removal. Using figure 6-1 as a guide, remove the rectifier as follows:
(1) Tag and remove all wires.
(2) Remove mounting screws (4), flatwashers (8) and lockwashers (4).
(3) Remove rectifier.
