CHAPTER 3 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 5-4310-340-24

CHAPTER 3

DIRECT SUPPORT AND GENERAL SUPPORT

MAINTENANCE INSTRUCTIONS

Section I. REPAIR PARTS AND SPECIAL TOOLS

3-1. Rep(lair Parts

3-2. Special Tools

Repair parts are listed in Appendix C of this

Special tools are listed in table 3-1 and listed and

manual.

illustrated in Appendix C.

Table 3-1. Special Tools

FSN

Reference

Item

Part No.

Figure

Paragraph

Use

Fixture, fan assembly

890854

C-12 (15)

3-6

Install fan spring in fan.

Tool, oil seal insertion

804419

C-12 (5)

3-26

Assemble rear oil seal.

Section II. TROUBLESHOOTING (DIRECT SUPPORT)

troubleshooting the equipment. Use all senses and methods

3-3. General

to observe and to locate troubles. To obtain the maximum

number of observed symptoms, of trouble, question the

a. This section contains troubleshooting information

vehicle crew about the conditions under which the symptoms

and tests for locating and correcting some of the troubles that

occurred. The greater the number of symptoms of troubles

may develop in the compressor. The information is arranged

that can be evaluated, and the more detailed the knowledge of

to provide the mechanic with a flexible and logical step-by-

the conditions under which they occurred, the easier it will be

step method of troubleshooting. Once a malfunction is

to isolate the defect.

recognized, the mechanic is guided in solving the

c. All troubleshooting procedures requiring operation

maintenance problem by the use of troubleshooting

of compressor must be performed with compressor installed

routines or by the combined use of troubleshooting routines

in vehicle.

and supporting information.

d. When troubleshooting, it is important to note that the

b. This manual cannot cover all possible troubles which

compressor is a part of a system which consists of associated

may occur under the many operating conditions. If a specific

components and a compressor drive. Trouble in the system

trouble, test, and remedy is no covered, proceed to isolate the

may be caused by other components and not the compressor.

system in which the trouble occurs and then locate the

See TM 9-2350-232-34 for troubleshooting all components of

defective component. Standard automotive theories and

the system except the compressor.

principles of operation apply in

3-1