UENR4490-01 3 Table of Contents Table of Contents Cooling System - Check .................................... 110 Cooling System - Inspect ................................... 110 Cooling System - Test........................................ 111 Engine Oil Cooler - Inspect ................................ 112 Water Temperature Regulator - Test ................... 113 Water Pump - Inspect ........................................ 113 Systems Operation Section General Information Introduction ..........................................................4 Basic Engine Position the Valve Mechanism Before Maintenance Procedures .....................................................
114 Piston Ring Groove - Inspect.............................. 114 Connecting Rod - Inspect................................... 115 Cylinder Block - Inspect ..................................... 116 Cylinder Head - Inspect ..................................... 116 Piston Height - Inspect....................................... 117 Flywheel - Inspect ............................................. 118 Flywheel Housing - Inspect ................................
119 Gear Group - Inspect.........................................120 Crankshaft Pulley - Check..................................121 Engine Operation Basic Engine.........................................................9 Air Inlet and Exhaust System (Single Turbocharger) ...................................................13 Air Inlet and Exhaust System (Series Turbochargers)..................................................19 Clean Emissions Module (Diesel Oxidation Catalyst (DOC) and Selective Catalytic Reduction (SCR) System)............................................................24 Clean Emissions Module (Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) System) ....................26 DEF Dosing Control System ................................29 Cooling System ..................................................35 Lubrication System .............................................37 Electrical System ................................................37 Cleanliness of Fuel System Components ..............39 Fuel Injection .....................................................40 Electronic Control System ...................................48 Power Sources ...................................................69 Glossary of Electronic Control Terms ....................74 Electrical System Alternator - Test.................................................122 Battery - Test ....................................................124 Charging System - Test .....................................124 V-Belt - Test ......................................................125 Electric Starting System - Test............................125 Index Section Index................................................................129 Testing and Adjusting Section Fuel System Fuel System - Inspect..........................................80 Air in Fuel - Test ..................................................80 Finding Top Center Position for No.
1 Piston .........82 Fuel Injection Timing - Check ...............................83 Fuel Quality - Test ...............................................84 Fuel System - Prime............................................85 Gear Group (Front) - Time ...................................86 Air Inlet and Exhaust System Air Inlet and Exhaust System - Inspect..................87 Turbocharger - Inspect (Series Turbochargers)......88 Turbocharger - Inspect (Single Turbocharger) .......91 Exhaust Cooler (NRS) - Test ................................94 Compression - Test .............................................95 Engine Valve Lash - Inspect.................................96 Valve Depth - Inspect...........................................97 Valve Guide - Inspect...........................................98 Diesel Exhaust Fluid Quality - Test........................99 Aftertreatment SCR System Dosing - Test...........100 Diesel Exhaust Fluid Tank - Flush.......................104 Lubrication System Engine Oil Pressure - Test .................................107 Engine Oil Pump - Inspect..................................107 Excessive Bearing Wear - Inspect ......................108 Excessive Engine Oil Consumption - Inspect.......108 Increased Engine Oil Temperature - Inspect ........109 Cooling System