LIST OF ILLUSTRATIONS

TM 11-5985-355-13

Paragraph

Page

CHAPTER 6.

DIRECT SUPPORT MAINTENANCE INSTRUCTIONS

SECTION I.

Troubleshooting

Scope of direct support maintenance ..............................................................

6-1

Tools, test equipment, and materials required .................................................

6-2

6-1

Direct support maintenance troubleshooting ...................................................

6-3

6-1

SECTION II.

Repair procedures

General ............................................................................................................

6-4

6-1

Special precautions ..........................................................................................

6-5

6-1

Antenna Element AS-2732 GRC parts removal and replacement ...................

6-6

6-1

Matching Unit-Base NlIX 9146 GRC parts removal and replacement .............

6-7

6-2

Antenna performance test................................................................................

6-8

6-7

APPENDIX

REFERENCES.................................................................................................

A-1

APPENDIX

COMPONENTS OF END ITEM LIST

SECTION

Introduction ......................................................................................................

B-1

SECTION

II.

Integral Components of End Item ....................................................................

B-2

APPENDIX

MAINTENANCE ALLOCATION

SECTION

Introduction ......................................................................................................

C-1

SECTION

II.

Maintenance Allocation Chart ..........................................................................

C-3

SECTION

III.

Tool and Test Equipment Requirements .........................................................

C-4

SECTION

IV.

Remarks ...........................................................................................................

C-5

APPENDIX

EXPENDABLE SUPPLIES AND MATERIALS LIST

SECTION

Introduction ......................................................................................................

E-1

SECTION

II.

Expendable Supplies and Materials List ..........................................................

E-2

LIST OF ILLUSTRATIONS

Figure

Title

Page

1-1

Antenna AS-273 GRC, overall view, less restraint assembly................................................

1-3

1-2

Restraint assembly, installation.............................................................................................

1-3

2-1

Antenna siting locations, good and poor ...............................................................................

2-2

Antenna AS 2731 GRC, partial view, parts location..............................................................

2-3

NIX 9146 GRC, bottom view, installed in mounting bracket, parts location ..........................

2-4

Tvpical bonding jumper setups .............................................................................................

2-5

Antenna AS 2731 GRC, control and connectors...................................................................

2-6

4-1

Typical receiver-transmitter test setup with AN URNI-182 ....................................................

4-5

6-1

Antenna Element AS 2732 GRC. partial view, parts location...............................................

6-2

Cable Mount Assembly, exploded view, parts location .........................................................

6-3

Matching Unit-Base MX 9146 GRC, side view, parts location

with restraint assembly ..........................................................................................................

6-5

6-4

Matching Unit-Base MX-9146 GRC, case cover removed parts location ............................

6-6

6-5

Cable Assembly, Special Purpose MX-13055 GRC, schematic diagram .............................

6-7

FO-1

Matching Unit-Base MX 9146 GRC, schematic diagram ...................................................... Back of Manual