HOW TO FIX A POWER UNIT OR POWER PLANT MALFUNCTION

TM 9-6115-661-13&P

authorized to use the part, the part number that identifies the part, the name of the part, and the

quantity used.

Section III - Special Tools List. This section informs the user that no special tools are needed.

Section IV - Cross-Reference Indexes. This section contains two indexes, a national stock number

index and a part number index. Each index lists all of the parts contained in section II. The national

stock number index is in National Item Identification Number (NIIN) sequence. The part number index is

in alphanumeric part number sequence.

Appendix G - Illustrated List of Manufactured Items. This appendix provides instructions for

making the items authorized to be manufactured or fabricated at the unit maintenance level and direct

support maintenance level.

Appendix H - Torque Limits. This appendix lists standard torque values for bolts and screws used in

the power units and power plant.

Glossary. This Glossary has two sections, as follows:

Section I - Abbreviations. This section lists the special or unique abbreviations used in this technical

manual, Special or unique abbreviations are those not listed in MIL-STD-12D.

Section II - Definition of Unusual Terms. This section lists and defines the terms used in this

technical manual that are not listed in Army Regulation (AR 310-25).

INDEX.

An alphabetical index at the back of this technical manual provides a listing of subjects covered,

cross-referenced to the applicable paragraph.

HOW TO FIX A POWER UNIT OR POWER PLANT MALFUNCTION.

Determining the Cause. Finding the cause of a malfunction, troubleshooting, is the first step in fining

the power unit or power plant and returning it to operation. Follow these simple steps to determine the

root of the problem:

a. Turn to the Table of Contents in this manual (page i).

b. Locate "Troubleshooting" under the chapter that covers your level of maintenance. Turn to the

page indicated.

c. For operator troubleshooting, follow the instructions in the references listed in Chapter 3.

d. For troubleshooting at the unit maintenance level, find the malfunction listing in the trouble-

shooting symptom index. Follow the instructions in the figure (troubleshooting chart) indicated

by the symptom index.

Preparing for a Task. Be sure that you understand the entire maintenance procedure before beginning

any maintenance task. Make sure that all parts, materials, and tools are handy. Read all steps before

beginning. Prepare to do the task as follows:

a. Carefully read the entire task before starting. It tells you what you will need and what you

have to know to start the task. DO NOT START THE TASK UNTIL:

xii