TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 HOW TO USE THIS MANUAL HOW TO USE THIS MANUAL This manual tells you how to perform unit maintenance for the M548A1 and M548A3 carriers. Before starting a task or procedure, read HOW TO USE THIS MANUAL and the General Maintenance Procedures Work Package. USE YOUR MANUAL ON THE JOB The best way to learn about this manual is to practice using it. Knowing how to use this manual will save both time and energy. HOW TO USE THE WORK PACKAGES (WP) How to find the Work Package you need Pick a key word from the vehicle part or system to be used. Look in the INDEX for this key word or the name of the action you will perform. Turn to the Work Package and page indicated. The INDEX lists each Work Package under one or more headings. For example, the WPtitled REPLACE TOWING PINTLE could be found under the two headings “Pintle”, and “Towing”. How to read the Work Package Pay attention to all warnings, cautions and notes. These can appear in all types of procedures. They help you avoid harm to yourself, other personnel, and equipment. They also tell you things you should know about the procedure. Before you start a procedure, get all the tools, supplies, and personnel you need to do the procedure. These items will be listed in the INITIAL SETUP of the Work Package. Start with step 1 and do each step in the order given. Numbered primary steps tell you WHAT to do. Alpha substeps tell you HOW to do it. Look at the illustrations. Locators show you where the equipment and parts are located on the vehicle. Closeup illustrations show the details you need to do the procedure. Maintenance Procedures Work Packages Maintenance Procedures Work Packages keep the carrier in shape to operate. Maintenance Procedures are used to present maintenance instructions. Each maintenance procedure details steps which you need to perform. If the vehicle and parts need maintenance that is not included in any procedure in the manual, notify your supervisor. Read the INITIAL SETUP section carefully before you start any procedure. Get the tools and supplies listed and the personnel needed. Be sure the equipment is in the condition required. Read all of the Work Package before starting. Follow the steps in the order given. FOLLOW-THROUGH STEPS tell you what to do after the maintenance task is done. The words END OF TASK will tell you when you have finished the procedure. Troubleshooting Work Packages Troubleshooting Work Packages help you locate faulty parts. They direct you to the maintenance procedure to correct these faults. Chapter 2, Troubleshooting, contains detailed information on how to perform troubleshooting procedures. Read HOW TO USE TROUBLESHOOTING Work Package (WP 0005 00) before performing the troubleshooting procedures in the chapter. Preventive Maintenance Checks and Services (PMCS) Work Package Preventive maintenance is required to keep your carrier in good running condition. The PMCS procedures for unit maintenance are performed on a periodic basis. xix