TM-9-2350-274-BD M109 Battlefield Damage Assessment and Repair Download
Page 51 of 219
CHAPTER 3 ENGINE BDAR FIXES SHALL BE USED ONLY IN COMBAT AT THE DISCRETION OF THE COMMANDER AND SHALL BE REPAIRED BY STANDARD MAINTENANCE PROCEDURES AS SOON AS PRACTICABLE AFTER THE MISSION IS COMPLETED. SECTION I. General 3-1. Purpose. a. The M 109 Self-Propelled Howitzer/M 110 series Self-Propelled Howitzer/M578 Recovery Vehicle is powered by a V-8, liquid cooled, two cycle, turbosupercharged, diesel engine, 8V71T. Engine damage can be detected by several different method. ❚ (1) Abnormal oil pressure, temperature readings or warning lights, (2) Abnormal noises, (3) Abnormal amounts or coloration of exhaust smoke, (4) Sudden loss of power or excessive fuel consumption. b. This chapter gives various expedient fixes which can restore the howitzers mobility in the event of an engine system failure. 3-2. Assessment Procedure. Damage found to: . mechanical components . . . . . . . . . . go to para 3-15 . cooling system . . . . . . . . . . . . . . . . . . go to Chapter 5 - fuel system . . . . . . . . . . . . . . . . . . . . go to para 3-11 - lubrication system . . . . . . . . . . . . . . . go to para 3-8 . air intake . . . . . . . . . . . . . . . . . .. . . . . . . go to para 3-5 . exhaust system . . . . . . . . .. . . . .. . . . . . .. .. . .go to para 3-6 Will not start: - check fuel system . . . . .. . .. . . . . . . . . . .go to para 3-11 . check air intake . . . . . . . . . . . . . . . . . go to para 3-5 . check exhaust system . . . , . . . . . . . . . go to para 3-6 . check starting system . . . . . . . . . . . . . go to Chapter 6 Change 1 3-1