ivService Manual – SW8000Overview 75Engine Description 75Manufacturers’ Technical Literature 76Engine Starter Circuit 76Starter Circuit Description 76Engine Protection – Low Oil Pressure Shutdown 77Engine Speed Control 77Glow Plug Control 78Component Locations 79Maintenance and Adjustments 81Maintenance Schedule 81Engine Oil 82Engine Coolant 82Checking Engine Coolant 82Replacing Engine Coolant 83Engine Air Filter Maintenance 84Replacing the Fuel Filter 84Bleeding the Fuel System 85Troubleshooting 88General Troubleshooting 88Engine Overheating Problems 89Loss of Oil Pressure 89APECS 3000 Controller Fault Codes 89Compression Test 90Specifications 92Special Tools 93Engine System, Gasoline/LPG 95Functional Description 95Overview 95Engine Description 95Kubota 1 6L Gasoline Fuel System Description 95Kubota 1 6L LPG Fuel System Description 95Engine Starter Circuit Description 96Engine Protection – Low Oil Pressure Shutdown 97Engine Protection – High Temperature 97Engine Speed Control 97Component Locations 98LPG And Gasoline Engine Common Electrical Components 98LPG ONLY Engine Electrical and Fuel Components 101Gasoline (Petrol) ONLY Engine Electrical and Fuel Components 102Maintenance and Adjustments 103Maintenance Schedule 103Engine Oil 104Engine Coolant 104Checking Engine Coolant 104Replacing Engine Coolant 105Engine Air Filter Maintenance 106Troubleshooting 106General Troubleshooting 106Engine Overheating Problems 107Shop Measurements 109