TM 5-4320-302-14 TOOL OR TEST EQUIPMENT MAINTENANCE NATIONAL/NATO TOOL REF CODE CATEGORY NOMENCLATURE STOCK NUMBER NUMBER 43 H Main Bearing Mandrel 143700 44 H Drive Shaft Seal Mandrel 144720 45 H Drive Shaft Sleeve Mandrel 144730 46 H Drive Shaft Bearing Mandrel 144740 47 H Crankcase Cylinder Refacing 150010 Tool 48 F, H Injector Extractor 150800 49 O Universal 170800 Section IV.  REMARKS Reference Code Remarks A Continuity test B Check specific gravity C Repair by replacing defective components D Insulation breakdown and continuity test E Repair by replacing defective wire F Adjust to specifications G Replace element H Service by cleaning filter I Weld J Adjust belt tension K Test for leakage L Repair by bleeding air from fuel system M Test timing and pressure output N Operational test O Test for opens, grounds, and shorts P Test for known voltage Q Includes replacing valve seats and guides R Includes replacing rings S Includes replacing rod bearings T Includes replacing main bearings B-12