TM-9-2320-387-10 HMMWV Operator Manual Download
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1-7. BREAK-IN SERVICE Upon receipt of vehicle, or after engine replacement, break-in precautions must be observed during the first 500 miles (805 kilometers) of operation. For break-in procedure, refer to paragraph 2-11. Section II. EQUIPMENT DESCRIPTION 1-8. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES The 1-1/4 ton, 4x4, M1113 and M1114 vehicles are tactical vehicles designed for use over all types of roads, as well as cross-country terrain, in all weather conditions. The vehicles have four driving wheels, powered by a V-8 liquid-cooled turbocharged diesel engine. Four-wheel hydraulic service brakes and a mechanical parking brake are standard. All vehicles are equipped with a pintle hook for towing. Tiedowns and lifting eyes are provided for air, rail, or sea shipment. 1-9. METRIC SYSTEM The equipment/system described herein contains metric components and requires metric, common, and special tools; therefore, both metric and standard units will be used throughout this publication. In addition, a metric conversion table is located on the inside back cover of this publication. TM 9-2320-387-10 1-3 1-6. EQUIPMENT IMPROVEMENT REPORT AND MAINTENANCE DIGEST (EIR MD) The quarterly Equipment Improvement Report and Maintenance Digest, TB 43-0001-39 series, contains valuable field information on equipment covered in this manual. Information in TB 43-0001-39 series is compiled from some of the Equipment Improvement Reports you prepared on vehicles covered in this manual. Many of these articles result from comments, suggestions, and improvement recommendations that you submitted to the EIR program. The TB 43-0001-39 series contains information on equipment improvements, minor alterations, proposed Modification Work Orders (MWOs), warranties (if applicable), actions taken on some of your DA Form 2028s (Recommended Changes to Publications), and advance information on proposed changes that may affect this manual. The information will help you in doing your job better and will help in keeping you advised of the latest changes to this manual. Also refer to DA Pam 25-30, Consolidated Index of Army Publications and Blank Forms, and appendix A, References, of this manual.