Section IV. UNIT TROUBLESHOOTING PROCEDURES

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Table 4-1 Unit Preventive Maintenance Checks and Services (cont)

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TM-9-2330-380-14-P Semitrailer Van: Electronic Tactical 12-Ton 4-Wheel XM1063 (NSN 2330-01-224-9244) and M129A4 (NSN 2330-01-372-5642) Manual

Troubleshooting Malfunction Index

TM 9-2330-380-14&P

Section IV. UNIT TROUBLESHOOTING PROCEDURES

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Page

Number

Paragraph Title

Number

4-13

General ............................................................................................................................ 4-7

ExplanationofColumns ..................................................................................................... 4-7

TroubleshootingMalfunctionIndex ..................................................................................... 4-8

TroubleshootingTable ........................................................................................................ 4-9

General

a. Thissectionprovidesinformationforidentifyingandcorrectingmalfunctionsthatmaydevelopwhileoperating

or maintaining your XM1063 or M129A4 semitrailer.

b. The Troubleshooting Malfunction Index (para 4-15) lists common malfunctions that may occur and refers you

to the proper page in Table 4-2, Unit Troubleshooting, for a troubleshooting procedure.

c. This section cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions.

Notify your supervisor if a malfunction is not listed or is not corrected by the corrective actions listed.

d. Whentroubleshootingamalfunction:

Question the operator to obtain any information that might help determine the cause of a problem. Before

continuing,makesureallapplicableOperator/Crewtroubleshootingwasperformed.

Locate the symptom(s) in para. 4-15 that best describes the malfunction. If the appropriate

symptomisnotlisted,notifyyoursupervisor.

Turn to the page in Table 4-2 where the troubleshooting procedures for the malfunction in question are

described. Headings at the top of the page show how each troubleshooting procedure is organized: MAL-

FUNCTION, TEST OR INSPECTION (in step number order) and CORRECTIVE ACTION. The

malfunctions, tests or inspections, and corrective actions are indented to line up under the appropriate heading.

. Perform each step in order listed until the malfunction is corrected. DO NOT perform any

maintenance task unless the troubleshooting procedure tells you to do so.

4-14. Explanation Of Columns.

Explanations of the headings in Table 4-2 are as follows:

MALFUNCTION. A visual or operational indication that something is wrong with the trailer.

TEST OR INSPECTION. A procedure to isolate a problem in a component or system.

CORRECTIVE ACTION. A procedure to correct the problem.

4-7