TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 1–1 CHAPTER 1 INTRODUCTION GENERAL This chapter provides a general introduction to the purposes, safe use, and capabilities of the howitzer. Section I describes procedures for destroying equipment to prevent enemy use, references to other technical manuals, and forms to recom- mend improvements. Sections II and Ill familiarize the mechanic with equipment data and operating principles of the howit- zer’s systems. CONTENTS Page Section I. GENERAL INFORMATION 1–1 SCOPE 1–3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 MAINTENANCE FORMS, RECORDS, AND REPORTS 1–3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3 DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE 1–3 . . . . . . . . . . . . . . . . . . . . . . . . . 1–4 PREPARATION FOR STORAGE OR SHIPMENT 1–4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5 QUALITY ASSURANCE (QA) 1–4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6 OFFICIAL NOMENCLATURE, NAMES, AND DESIGNATIONS 1–4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7 REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR) 1–6 . . . . . . . . . . . . . . . . . . . 1–8 WARRANTY INFORMATION 1–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9 SAFETY, CARE, AND HANDLING 1–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–10 CORROSION PREVENTION AND CONTROL (CPC) 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11 NUCLEAR HARDNESS 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–12 SECURITY MEASURES FOR ELECTRONIC DATA 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section II. EQUIPMENT DESCRIPTION AND DATA 1–13 EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES 1–8 . . . . . . . . . . . . . . . . . . . . . . . 1–14 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS 1–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–15 DIFFERENCES BETWEEN MODELS 1–17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–16 EQUIPMENT DATA 1–20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–17 EQUIPMENT CONFIGURATION 1–23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section III. PRINCIPLES OF OPERATION 1–18 EQUIPMENT OPERATION AND DESCRIPTION 1–23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .