Special Information. - TM-5-4120-274-20P0009

(2) Second. Find the illustration covering

4. Special Information.

the assembly group to which the repair part

belongs.

a. Identification of the usable on codes

included in the description columns of this

(3) Third. Identify the repair part on the

publication are:

illustration and- note the illustration figure and

item number of the repair part.

Used on

Code

(4) Fourth. Using the Repair Part Listing,

CV-9-1-30-60

find the assembly to which the repair part belongs

CV-9-1-15-60

and locate the illustration figure and item number

CV-9-3-08-400

noted on the illustration.

CV-9-3-08-60

Note Repair parts without usable on codes

b. When Federal stock number or reference

are applicable to all Models.

number is known:

b. Repair parts mortality has been based on

(1) First. Using the index of Federal Stock

7200 hours of operation per year.

N u m b e r s and Reference Numbers find the

pertinent Federal stock number or reference

c . Parts which require manufacture or

number. This index is in ascending FSN sequence

assembly at a category higher than that authorized

followed by a list of reference numbers in

for installation will indicate in the source column

alpha-numeric sequence, cross-referenced to the

the higher category.

illustration figure number and item number.

d. The following publications pertain to the

(2) Second, Using the Repair Part Listing,

Air Conditioning Units and its components.

find the assembly group of the repair part and the

illustration figure number and item number

Operator, Organizational,

TM 5-4120-274-15

referenced in the Index of Federal Stock Numbers

DS, GS, and Depot

and Reference Numbers.

Maintenance Manual

5-4120-274-35P

DS, GS and Depot

c. When the Federal Stock Numbers and

Maintenance Repair Parts

Reference Number is known and the repair part is

and Special Tools List

not illustrated.

e. The illustrations in this manual are

identical to the applicable illustrations published in

(1) First. Using the Index of Federal Stock

the -35P, Direct and General Support and Depot

N u m b e r s and Reference Numbers find the

Maintenance Repair Parts and Special Tools List

pertinent Federal stock number or reference

manual, and the figure numbers are the same as

number in the section titled items not illustrated

appear in that manual. The -35P illustrations are

and note the group number. This section of the

given for a better understanding of the parts

index is in ascending FSN sequence followed by a

relationship, however, only those parts assigned

list of reference numbers in alpha-numeric

maintenance code "O" are listed in the tabular

sequence, cross-referenced to assembly group

portion and only these parts are authorized for

number.

requisitioning from this manual.

(2) Second. Using the Table of Contents,

5. How to Locate Repair Parts.

locate the assembly group number and page

number.

a. When Federal stock number or reference

number is unknown:

(3) Third. Using the applicable group

number and page number locate the pertinent

(1) First. Using the table of contents,

stock number or reference number in the Repair

determine the assembly group within which the

Parts Listing. Items which are not illustrated are

repair part belongs. This is necessary since

listed at the end of the assembly group to which

illustrations are prepared for assembly groups and

they belong.

listings are divided into the same groups.