DIRECT SUPPORT AND GENERAL SUPPORT
Section I. GENERAL
4-1. Direct Support Maintenance
set and cable wiring for shorts or high voltage leaks
Maintenance at the direct support level consists of
through the insulation.
replacement of the test set fuse which is located on
the panel assembly.
4-2. Voltage and Resistance Measurements
panel test points and connectors.
a. No voltage measurements are required.
4-4. Tools and Test Equipment Required
Table 4-1 lists the tools and equipment required
rnultimeter with an accuracy of 5 percent.
test the test set.
Bench testing of the test set consists of the two tests
Table 4-1. Tools and Test Equipment Required for General Support Maintenanc
Section Il. TROUBLESHOOTING AND REPAIR
4-5. Troubleshooting Procedure
a. Lamp Replacement. Remove Iampholder
lens. Press on lamp and twist to the left to remove.
Troubleshooting the test set consists of performing
Install new lamp and replace Iampholder lens.
abnormal test results are disclosed, return the test
twist to the left. Remove fuse. Install new l-ampere
set to depot support for repair.
4-6. General Support Maintenance
General support maintenance of the test set consists
of fuse and lamp replacements.
Section Ill. GENERAL SUPPORT TESTING PROCEDURES
The test procedure is arranged so that tests that do
4-9. Insulation Resistance Test
not require power application to the test set are
performed first. Test procedure steps shall be
a. Test Equipment and Materials. Insulation
performed in the order listed. Set all test set and test
Breakdown Test Set AN / GSM-6.
equipment controls accurately.
b. Test Connections and Conditions. Minus
4-8. Physical Tests and Inspection
(--) lead of AN / GSM-6 connected to test set
chassis. Connect AN / GSM-6 to 115 Vac, 60Hz
a. Test Equipment and Materials. None.
power source. Test set power cable shall be
b. Test Connections and Conditions. R e m o v e
disconnected from power source.
test set cover from case. The test set power cable
shall be disconnected from power source.