TM-5-2330-325-13-P
SEMITRAILER, MEDIUM HEAVY EQUIPMENT TRANSPORTER (MHET), 40 TON, M870A3
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JUNE 2014
TM-5-2330-325-13-P - Page 38 of 648
HOW TO USE THIS MANUAL
This manual contains instructions for safe and efficient operation of the semitrailer. These instructions provide the
user with a general knowledge of the equipment, characteristics, and operating procedures. Troubleshooting and
maintenance procedures are provided at Operator and Field Maintenance levels.
WARNINGS, CAUTIONS, AND NOTES
Warning, caution, and note headings, and certain essential information are printed in bold type for clarity. This is
critical data to ensure personal safety, prevent damage to the vehicle, and clarify unique data or procedures used.
CHAPTER 1 GENERAL INFORMATION, EQUIPMENT DESCRIPTION AND DATA, AND THEORY
OF OPERATION
This chapter describes, locates, and illustrates the semitrailer and its components. General information needed
for maintaining records and reporting equipment recommendations are listed. Also listed in this chapter is a table
of specific equipment data.
CHAPTER 2 OPERATOR INSTRUCTIONS
This chapter shows and describes the semitrailer controls and indicators. There are instructions for coupling,
driving, stopping, and backing in both usual and unusual conditions, and other information to help you understand
and better operate the semitrailer.
CHAPTER 3 TROUBLESHOOTING PROCEDURES
The troubleshooting index lists the common malfunctions/symptoms which you may find during use of the
semitrailer. You should perform the troubleshooting and corrective actions in the order listed within each individual
work package. The troubleshooting index is a quick reference to the troubleshooting work packages.
CHAPTER 4 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
This chapter contains operator and field level Preventive Maintenance Checks and Services (PMCS). Semitrailer
components must be inspected periodically to find and correct defects, and regular services are needed to keep
the semitrailer operational.
CHAPTER 5 OPERATOR MAINTENANCE INSTRUCTIONS
This chapter contains all of the maintenance authorized to be performed by Operator Maintenance.
CHAPTER 6 FIELD MAINTENANCE INSTRUCTIONS
This chapter contains all of the maintenance authorized to be performed by Field Maintenance. Included are
Service Upon Receipt of Material, Field Maintenance instructions, and detailed maintenance tasks that Field
Maintenance personnel may perform to maintain the semitrailer.
CHAPTER 7 REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
This chapter covers the Repair Parts and Special Tools List (RPSTL) for the semitrailer. It includes instructions
and descriptions needed to effectively use the RPSTL.
TM 5-2330-325-13&P
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