ILLUSTRATED PARTS BREAKDOWN

TM 55-4920-378-14&P

Illustrated Parts Breakdown

ILLUSTRATED PARTS BREAKDOWN

GENERAL.

This Illustrated Parts Breakdown Manual contains a Group Assembly Parts List for the Vacuum - Pressure Test Set, TPS-

2550-1 and TPS-2550-2 (See figure 1.)

USABLE ON CODES.

There are two usable on codes. They are used to differentiate between TPS-2550-1 and TPS-2550-2 and thus noted as -1 and

-2. The absence of a code in Usable On Code column indicates that parts so shown are usable as replacements on all models

covered by this publication.

LOCATION OF PART NUMBER.

a. WHEN THE PART NUMBER IS NOT KNOWN.

1. Determine the application of the part required. Select the most appropriate title listed below. Note the illustration

page number.

2. Turn to the page indicated and locate the desired part number on the illustration.

3. From the illustration, obtain the index number assigned to the part desired. Refer to the accompanying description

for specific information regarding the part.

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TPS-2550 Test Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

Figure 1.

.IPB/4

Cover Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . ...

Figure 2.

.IPB/5

Accessories . . . . . . . . . . . . ...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 3.

.IPB/7

Frame, Doors and Associated Panels and Hardware . . . . . . . . . .

Figure 4.

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Figure 5.

Tester Assembly (Sheet 1 of 2 Sheets) . . . . . . . . . . . . . . .

.IPB/15

Figure 5.

Tester Assembly (Sheet 2 of 2 Sheets) . . . . . . . . . . . . . . .

.IPB/18

Bellows Assembly . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 6.

.IPB/20

Reservoir Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 7.

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Figure 8.

Vacuum & Pressure Line Diagram . . . . . . . . . . . . . . . .

b. WHEN THE PART NUMBER IS KNOWN.

1. When the part number is known, refer to the Numerical Index. Locate the part number and note figure and index

number assigned to the part number.

2. Turn to figure number indicated and locate the index number referenced in the Numerical Index.

3. If a pictorial representation of the part, or its location is desired, refer to the same index number on the accompany-

ing illustration.

SYMBOLS AND ABBREVIATIONS.

All symbols and abbreviations used in this publication were taken from MIL-STD-12, MIL-STD-15, and MIL-STD-17.

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