CHAPTER 2. DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 9-2520-246-34

CHAPTER 2

DIRECT SUPPORT AND GENERAL SUPPORT

MAINTENANCE INSTRUCTIONS

Section I. REPAIR PARTS, SPECIAL TOOLS, AND EQUIPMENT

and illustrated in TM 9-2520-246-34P which is the

2-1. General. Tools, equipment, and repair parts,

authority for requisitioning. Table 2-1 lists only the

over and above those available to the using

special tools and equipment necessary to perform the

organization, are supplied to direct support and

direct support, general support, and field maintenance

general support maintenance shops for maintaining,

operations described in this technical manual. Table 2-

repairing, and/ or rebuilding the material.

1 is included for information purposes only, and is not

to be used as a basis for requisitioning.

2-2. Repair Parts. Repair parts required for the

maintenance of the transmissions, transfers, and

2-4. Common Tools and Equipment. Standard

power takeoffs are listed in TM 9-2520-246-34P,

and commonly used tools having general application

which is the authority for requesting or ordering

to this material are listed in DA Supply Manuals SC

replacement parts.

4910-95-CL-A01, A02, A50, A63, A64, A65, A67,

A68, A69, A72, A73, and A74, SC 5180-90-CL-N23,

2-3. Special Tools and Equipment. The special

SC 4910-95-CL-A31 and A32.

tools and equipment, tabulated in table 2-1, are listed

Section Il. TROUBLESHOOTING

Refer to Chapter 2, section III for general cleaning,

2-5. General.

inspection, and repair procedures.

a. Purpose. The information in this section is for

2-6. Introductory Information.

the use of support personnel in conjunction with, and

supplemental to the troubleshooting section in the

a. This section contains troubleshooting

pertinent Organizational Maintenance Manual (TM 9-

information for locating and correcting most of the

2320-209-20/1). This information therefore provides

operating troubles which may develop in the

the continuation of instructions in the Organizational

transmission models 3052 and 3053A, transfer models

Manual wherein a reference is made to direct support

T-136-27 and T-136-21, and power takeoff models

and general support maintenance personnel for

WN-7-28, WND-7-28, and P-136-C. Each malfunction

corrective action.

for an individual component unit or system is

b. Operation. Operation of a transmission, transfer,

followed by a list of tests or inspections which will

or power takeoff without a preliminary examination

help you to determine corrective actions to take. You

can cause further damage to the components and

should perform the tests/inspections and corrective

possible injury to personnel. Required inspection and

actions in the order listed.

troubleshooting will eliminate further damage to

b. This manual cannot list all malfunctions that

equipment and injury to personnel. Causes of faulty

may occur, nor all tests or inspections and corrective

operation in a unit or component can often be

actions. If a malfunction is not listed or is not

determined without extensive disassembly.

corrected by listed corrective actions, notify your

c. lnspection. Inspection after the component is

supervisor.

removed from the vehicle is performed to verify the

diagnosis made while the component was installed in

c. The table lists the common malfunctions which

the vehicle, to uncover further defects or to determine

you may find during the maintenance of the

malfunctions if the unit or component alone is

transmission models 3052 and 3053A, transfer models

received by the support organization. This inspection

T-136-21 and T-136-27, and power takeoff models

WN-7-28, WND-7-28, and P-136-C or their

is particularly important in the final case because it is

often the only means of determining the malfunction

components. You should perform the tests/inspections

without completely disassembling the component.

and corrective actions in the order listed.

2-1