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TM 11-935 1 1/2-KVA Kohler power unit model 1M21-A, 1944

TM 11-935 1 1/2-KVA Kohler power unit model 1M21-A, 1944-03-31 TABLE OF CONTENTS Paragraph Page PART ONE. Description. General 1 1 Component parts 2 1 Dimensions and weights 3 5 PART TWO. Installation. For use with Radio Set SCR-291-(*) 4 5 For general use5 6 Ventilation 6 6 Wiring system requirements 7 6 PART THREE. Operation. Preparation for use 8 8 Starting the unit 9 10 Stopping the unit 10 11 PART FOUR. Preventive maintenance. Routine servicing 11 12 Engine 12 14 Generator 13 21 Lubrication 14 21 Engine trouble chart 13 23 Generator trouble chart 16 29 PART FIVE. Functioning of parts. Engine 17 31 Generator 18 34 PART SIX. Corrective maintenance. SECTION I. Engine. Specifications, tolerances, and clearances 19 37 Removing cylinder head 20 39 Grinding valves 21 41 Adjusting valve clearance 22 42 Magneto disassembly and timing 23 42 Installing new fan belt 24 45 Splitting the engine : removing engine from oil base 25 46 Cylinders and pistons 26 48 Connecting rods and bearings 27 49 Oil baffle plate and oil pump 28 53 Fitting main bearing 29 54 Crankshaft and camshaft gear timing 30 54 Replacing engine on oil base 31 55 SECTION II. Generator and flywheel. Removing brush holder br

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