TM 5-3805-261-20 CHAPTER 6 ENGINE, FUEL, EXHAUST AND COOLING SYSTEM TROUBLESHOOTING AND MAINTENANCE CHAPTER OVERVIEW The  purpose  of  this  chapter  is  to  help  the  technician  efficiently  troubleshoot  and  repair  malfunctioning  equipment  and  to perform  authorized  organizational  support  level  maintenance  procedures  on  the  130G  Grader  engine,  fuel,  exhaust  and cooling system. INDEX Section Title Paragraph Page I ENGINE TROUBLESHOOTING General Information 6-1 6-3 Engine Troubleshooting Procedures 6-2 6-3 Engine STE/ICE Tests 6-3 6-7 II ENGINE MAINTENANCE Engine Maintenance Procedures 6-4 6-16 Oil Filter 6-5 6-17 Oil Level Gage 6-6 6-19 Oil Filler and Cap 6-7 6-22 Engine Oil Sampling Valve and Line 6-8 6-25 Valve Cover Breather 6-9 6-28 Turbocharger Oil Lines 6-10 6-31 III FUEL SYSTEM TROUBLESHOOTING General Information 6-11 6-35 Fuel System Troubleshooting Procedures 6-12 6-35 Fuel System STE/ICE Tests 6-13 6-47 IV FUEL SYSTEM MAINTENANCE Fuel System Maintenance Procedures 6-14 6-49 Injection Lines 6-15 6-50 Air Precleaner 6-16 6-56 Primary Element 6-17 6-59 Air Cleaner 6-18 6-63 Turbocharger Air Lines 6-19 6-66 Turbocharger 6-20 6-70 Turbocharger Exhaust Elbow 6-21 6-73 Fuel Tank Hoses, Lines and Fittings 6-22 6-75 Fuel Tank Cap Assembly 6-23 6-81 Fuel Tank 6-24 6-84 6-1