DUAL FUEL SYSTEM ........................................... 102 General .................................................. 187 Engine .................................................... 189 Carburetor ..............................................190 Electrical Components ........................... 192 GOVERNING SYSTEM ......................................... 103 General Description .......................................... 103 Governor,Disassembly and Reassembly .......... 104 LUBRICATION SYSTEM ....................................... 106 General Description .......................................... 106 Testing and Adjusting ........................................
107 Engine Oil ............................................... 107 Lubrication System Problem .................. 107 Oil Pressure Check ................................ 109 SPECIAL TOOLS .................................................. 195 COOLING SYSTEM ............................................... 110 General Description .......................................... 110 Testing and Adjusting ........................................ 111 Cooling System Visual Inspection ............... 111 Cooling System Tests .................................. 111 Thermostat ................................................... 113 Cooling system Heat Problem .....................
114 Cooling System Recommendation ..............114 Belt Adjustment............................................116 V-belt Diagnosis ........................................... 116 Serivce Procedure ............................................ 117 Draining and Filling Cooling System ........... 117 Flushing the Cooling System ....................... 118 Radiator Service..........................................118 Removal & Install Water Temperature Sender .. 119 BASE ENGINE SERVICE PROCEDURE .............120 Timing Belt ........................................................ 120 Intake Manifold .................................................
129 Exhaust Manifold and Water Pump .................. 130 Rocker Arms and Camshaft .............................. 133 Cylinder Head and Valves ................................ 139 Front Case and Oil Pan .................................... 145 Piston and Connecting Rod .............................. 154 Crankshaft and Cylinder Block ......................... 162 ADJUSTMENT AND TROUBLESHOOTING ........ 169 Adjustment ........................................................ 169 Valve Clearnce Adjustment ......................... 169 Ignition Timing Adjustment .......................... 169 Idle Speed Adjustment ................................
171 Air Governor Adjustment .............................171 Anti-Hunting Adjustment .............................. 171 Troubleshooting ................................................ 172 Engine Performance....................................172 Engine Starting Problems ...........................172 Charging System Problems ........................ 173 Instrument Problems ................................... 173 Engine Noise ............................................... 174 Oil Pressure Diagnostics ............................. 176 Oil Pressure Problems ................................ 177 Water in Engine ...........................................
178 Engine Overheting ....................................... 179 LP Fuel System (Standard and/or Low Emission Version)....180 Troubleshooting Flow Chart ........................ 187 G424 Service Manual Index 3