INDEX

TM 9-1220-238-14

Paragraph

Page

Operation ...................................................................................................................................... 2-3

2-1

Operation in extreme cold ............................................................................................................. 2-8

2-5

Operation in extreme heat and humidity ........................................................................................ 2-9

2-5

Operation under sandy or dusty conditions .................................................................................... 2-10

2-5

Operation under unusual conditions .............................................................................................. 2-7

2-5

Operation under usual conditions .................................................................................................. 2-3

2-1

Operator/Crew organizational maintenance ................................................................................... 3-1

3-1

instructions

Operational Checks and adjustments ............................................................................................ 2-6

2-4

Painting, direct and general support .............................................................................................. 4-6

4-1

Painting, organizational ................................................................................................................. 3-4

3-1

Plotting Board

Assembly.......................................................................................................................... 4-12

4-2

Cleaning ........................................................................................................................... 3-11

3-2

Disassembly ..................................................................................................................... 4-12

4-2

Inspection ......................................................................................................................... 3-11

3-2

Plotting Board, final inspection ...................................................................................................... 5-3

5-1

Plotting disk, final inspection ......................................................................................................... 5-3

5-1

Plotting scale assembly, final assembly......................................................................................... 5-3

5-1

Plotting scale, flatness .................................................................................................................. 5-3

5-1

Preparation for Travel ................................................................................................................... 2-12

Preparation for use........................................................................................................................ 2-3

2-1

Preventive maintenance by operator ............................................................................................. 3-12

3-3

Preventive maintenance checks and services ............................................................................... 3-8

3-2

Recording repairs .......................................................................................................................... 3-10

3-2

Reporting of errors ........................................................................................................................ 1-3

1-1

Scale Assembly

Assembly.......................................................................................................................... 4-13

4-2

Cleaning ........................................................................................................................... 3-11

3-2

Disassembly ..................................................................................................................... 4-13

4-2

Inspection ......................................................................................................................... 3-11

3-2

Scale assembly, final Inspection ................................................................................................... 5-3

5-1

Setting of azimuth ......................................................................................................................... 1-8c

1-5

Support Assembly

Assembly.......................................................................................................................... 4-19

Cleaning ........................................................................................................................... 3-11

3-2

Disassembly ..................................................................................................................... 4-19

4-3

Inspection ......................................................................................................................... 3-11

3-2

Tabulated data .............................................................................................................................. 1-5

1-4

Test problem ................................................................................................................................. 1-8g

1-4

Theory ......................................................................................................................................... 1-8

1-4

Troubleshooting ............................................................................................................................ 3-14

3-7

I-2