Reference Designations

TM 11-6625-1668-12

Figure 2-6. OS-206/GGM-15 (V) assembly, card and fuse locations.

(2) Operate each front panel control to assure freedom of movement.

(3) Check front panel locking screws and hinges for signs of damage.

(4) Open and lock front panel, and check the position of each plug-in assembly. Refer to paragraph 2-3

and figures 2-4, 2-5 and 2-6 to check each plug-in assembly for proper location.

(5) Check each plug-in assembly for secure engagement with the appropriate connector.

NOTE

An extractor handle located on the extender assembly is supplied with each major

component for removing and replacing plug-in assemblies. Attach the extractor handle to

the two holes on the front edge of each assembly and pull straight out to remove. To install

plug-in assembly, place the assembly into the appropriate guide rails and firmly push into

place to engage the connector.

e. Inspect the test set case for dents that may interfere with the insertion of the major components.

f. Inspect the dolly for free wheeling ability and firm support of the test set.

2-4. Reference Designations

a. The plug-in assemblies for each of the major components are identified by reference designations which

include the assembly number. The first number of the reference designation, 1, 2, or 3 refers to the major

component generator, analyzer, or oscilloscope respectively. The second part of the designation refers to the

chassis, A1, A2, or A3. The last part of the designation is the assembly number, A1, A2, A3 etc. The complete

reference designation for plug-in assembly 1 of the generator is 1A2A1, the analyzer, 2A2A1, and the

b. The plug-in assemblies for each major component and their reference designations are listed in table 2-

1. Assembly locations are illustrated in figures 2-4, 2-5, and 2-6.

2-5