EMISSION CONTROL SYSTEMS FOR HEAVY DUTY EMISSION GASOLINE ENGINES

ENGINE DIVISION SERVICE MANUAL TM 5-4210-230-14&P-1 ENGINE 1980 EMISSION CONTROL SYSTEMS FOR HEAVY DUTY EMISSION GASOLINE ENGINES This Service Manual contains 1980 Emission Control Systems used on International gasoline engines. Part I includes exhaust emission effects and maintenance interval charts along with complete tune-up specifications. Part II is a troubleshooting guide with reference (IH Engine Division Service Manual and IH Truck Service Manual) CGES numbers and CTS numbers for individual engine accessory servicing. The illustrations and specifications in this service manual are based on the latest information available at the time of publication approval. CONTENTS PART I Subject Page INTRODUCTION ................................ ................................ ................................ .......................... 3 EXHAUST EMISSION EFFECTS CHART................................ ................................ ...................... 4 MAINTENANCE OPERATIONS AND MAINTENANCE INTERVAL CHART................................ .... 5 SCHEDULED MAINTENANCE Change Engine Oil and Filter................................ ................................ ........................... 6 Check and Clean Distributor Cap and Rotor ................................ ................................ .... 7 Check Ignition Cables................................ ................................ ................................ ...... 7 Replace Spark Plugs................................ ................................ ................................ ....... 8 Replace Fuel Filter ................................ ................................ ................................ .......... 8 Clean or Replace Air Cleaner Filter................................ ................................ .................. 8 Replace Filter at Bottom of Evaporative Vapor Storage Canister................................. ..... 9 Gasoline Evaporative Loss Control System ................................ ................................ ..... 9 Check Engine Bolt Torque................................ ................................ ............................... 23 Check Exhaust Gas Control Valve (Heat Riser Valve)................................ ...................... 23 Check Coil Output Voltage ................................ ................................ .............................. 24 Check Initial Advance................................ ................................ ................................ ...... 24 Check Operation of Inlet Air System Valve ................................ ................................ ...... 24 Check PCV System Hoses................................ ................................ .............................. 26 Positive Crankcase Ventilation Valve Operation................................ ............................... 26 Remove and Check EGR Valve................................ ................................ ....................... 27 Check EGR System ................................ ................................ ................................ ........ 28 Replace EGR Valve................................ ................................ ................................ ......... 30 Exhaust Gas Recirculation System Operation................................ ................................ .. 30 EGR Maintenance Indicating System................................ ................................ ............... 32 Check Curb Idle Speed and Air/Fuel Mixture................................ ................................ .... 32 CGES-215 Page 1 PRINTED IN UNITED STATES OF AMERICA