ENGINE AR-COMPL 10R8802 - Caterpillar

1. Remove the hydraulic system oil tank filler cap. 2. Open the drain valve, located under the right rear of machine. Allow the oil to drain.3. Close the drain valve.4. Change the hydraulic system filter. See "Hydraulic System" in the "Every 500 Service Hours or 6 Months" section.5. Fill the hydraulic system oil tank. See "Refill Capacities."6. Inspect the filler cap gasket. Replace the gasket if damaged.7. Install the oil filler cap.8. Start and run the engine for a few minutes. 9. Maintain the oil level to the FULL mark in the sight gauge.10. Stop the engine.Cooling System Coolant
Change the Coolant
Do not change the coolant until you read and understand the material in the "Cooling System Specifications" section.
Coolant should be drained and replaced every 1000 service hours or 1 year. However, when adding liquid Caterpillar cooling system conditioner, or equivalent, every 250 service hours as recommended, the drain period can be extended to 2000 service hours or 2 years.Drain the coolant earlier whenever the coolant is dirty or foaming is observed. The radiator access is located in the top of the hood. 1. Open the radiator cap access door.2. Remove the radiator cap slowly to relieve pressure. 3. Open the drain valve and allow the coolant to drain. Drain valve is located under the radiator.4. Close the drain valve. Fill the system with cleaning solution. Use a commercially available cleaner or 1 kg (2 lb) sodium bisulfate per 38 liters (10 gal) of water as a cleaner.5. Start and operate the engine for 1/2 hour. Stop the engine and drain the cleaning solution.6. Flush the system with water, with the engine stopped, until the draining water is clear.7. Close the drain valve. Fill the system with a neutralizer. Use a commercially available neutralizer.8. Operate the engine for 10 minutes. Stop the engine and drain the neutralizer.9. Flush the system with water, with the engine stopped, until the draining water is clear. Close the drain valve.10. Fill the system with clean water and operate the engine for five minutes. Stop the engine and drain the water. Close the drain valve.11. Repeat step 9 several times, if necessary, until the drained water is clear.12. Add the coolant solution. See "Cooling System Specifications" and "Refill Capacities." Add cooling system conditioner at this time only if you are not using Caterpillar Antifreeze.13. Start the engine and operate it with the radiator cap off, until the thermostat opens and the level stabilizes.14. Maintain the coolant level to within 1 cm (1/2 in) of the bottom