PERIODIC MAINTENANCE5-24 TNV DI Service ManualPeriodic Maintenance Procedures4. Check the V-belt for cracks, oil or wear. If any ofthese conditions exist, replace the V-belt.5. Install the new V-belt. Refer to the table forproper tension.6. After adjusting, run the engine for 5 minutes ormore. Check the tension again using thespecifications for a used V-belt.After you complete the initial 50 hour maintenanceprocedures, perform the following procedures every50 hours thereafter.• Drain Fuel Filter / Water Separator• Check BatteryDrain Fuel Filter / Water SeparatorNew V-Belt TensionA B C5/16 - 7/16 in.(8 - 12 mm)3/16 - 5/16 in.(5 - 8 mm)1/4 - 7/16 in.(7 - 11 mm)Used V-Belt TensionA B C3/8 - 1/2 in.(10 - 14 mm)1/4 - 3/8 in.(7 - 10 mm)5/16 - 1/2 in.(9 - 13 mm)Every 50 Hours of OperationA DANGERFIRE AND EXPLOSION HAZARD!• Diesel fuel is flammable and explosiveunder certain conditions.• When you remove any fuel systemcomponent to perform maintenance(such as changing the fuel filter) placean approved container under theopening to catch the fuel.• NEVER use a shop rag to catch thefuel. Vapors from the rag areflammable and explosive.• Wipe up any spills immediately.• Wear eye protection. The fuel systemis under pressure and fuel could sprayout when you remove any fuel systemcomponent.• Failure to comply will result in death orserious injury.0000009en
