How to Locate Repair Parts. - TM-55-2810-218-20P0007

TM 55-2810-218-20P

NOTE: A numerical system is used to reflect specific

i. Repair parts and assemblies not assigned a

engine(s) application for each item in the engine repair

recoverability code shall be considered nonrecoverable,

parts and repair kits functional groups of section II, and

however, repairs may be accomplished on such items to

special tools part of section III. Cross-reference of

the extent that maintenance instructions and parts are

numerical system to specific engine application is as

available to the maintenance category authorized to

follows:

remove, repair, and replace the item.

1-Denotes 0-480-1 engine, used on U-8D, RU-8D, U-

j. The Following Publications Pertain to This

8G.

Equipment and its Components:

2-Denotes 0-480-1A engine, used on U-8D, RU-8D, U-

TB 55-1500-307-25

Aircraft Components Requiring

8G.

Maintenance and Historical

3-Denotes 0-480-1B engine, used on U-8D, RU-8D, U-

Data

8G.

TM 55-1500-204-25/1 General Aircraft Maintenance

4-Denotes 0-480-3 engine, used on U-8F.

Manual

5 -Denotes 0-480-3A engine, used on U-8F.

TM 55-1500-315-15

Army Aviation Maintenance En-

When an item has limited effectivity within a model, the

gineering Manual: Aircraft En-

limitation will be indicated by an entry following the item

gines

description or footnote reference (e.g., Code A, Code

TM 55-1500-316-15

Maintenance of Department of

B).

the Army Aircraft: Aircraft

Maintenance Tools

c. Explanation of Terminology.

Matched

TM 55-1500-317-15

Maintenance of Department of

Components, Do Not Stock Separately.

Used to

the Army Aircraft Shop Prac-

indicate the items constituting a matched set which must

tices

be issued and installed as a set and must not be broken

TM 55-1510-201-10

Operator's

Manual:

Army

down into components when issued or installed.

Models U-SD and U-SF

d. Directional References. Left and right directions

TM 55-1510-201-20

Organizational Maintenance

are determined by standing at the rear of the aircraft

Manual: Army Models U-8Dand

and looking forward.

U-8F Aircraft (Beech)

TM 55-1510-201-20P Organizational

Maintenance

e. The Illustrations in This Manual are Identical to

Repair Parts and Special Tools

Those Published in the -34P. The -34P illustrations are

List

giver.

for a better understanding of the parts

TM 55-405-5

Army Aviation Maintenance En-

relationship; however, only those parts assigned

gineering Manual: Aircraft En-

maintenance codes "C" or ''O'' are listed in the tabular

gines

portion and only those parts are authorized for

TM 55-405-6

Army Aviation Maintenance En-

requisitioning from this manual. Illustrations which do

gineering Manual: Aircraft

not contain maintenance significant parts for

Maintenance Tools

organizational maintenance will not appear in this

TM 55-406-7

Army Aviation Maintenance En-

manual. Text page and illustration of the preceding

gineering Manual: Shop Prac-

figure will have the phrase "''Figure xx not applicable.

tices

f. Action Change Codes Indicated in the Left-Hand

5. How to Locate Repair Parts.

Margin of the Listing Page Denote the Following:

a. When Federal Stock Number or Reference

N - Indicates an added item.

Number is Unknown:

C - Indicates a change in data.

F - Indicates a change in FSN only.

(1) First.

Using the table of contents,

g. Illustrations and Components for Items Source

determine the assembly group; i.e., engine assembly,

etc., within which the repair part belongs. This is

Coded "M" are located in TM 55-1510-201-20

necessary since illustrations are prepared for the

Maintenance Manual.

assembly groups and listings are divided into the same

h. Parts which require manufacture or assembly at

groups.

a category higher than that authorized for installation will

indicate in the source column the higher category (e.g.,

(2) Second. Find the illustration covering the

"MF," "AF", "MH").

assembly group to which the repair part belongs.