BAFFLE 1207615 - Caterpillar

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The hydraulic tank filler cap is located under the access panel on the top of the engine compartment.
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Remove the hydraulic tank filler cap.
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Remove the lower hydraulic hose in order to drain the hydraulic oil into a suitable container. An appropriate evacuation system can be used to remove the hydraulic oil.
If the lower hydraulic hose was removed, replace the hydraulic hose.
Change the hydraulic system filter and the hydraulic tank breather. Refer to Operation and Maintenance Manual, "Hydraulic System Oil Filter - Change".
Fill the hydraulic system oil tank. Refer to Operation and Maintenance Manual, "Lubricant Viscosities" and Operation and Maintenance Manual, "Refill Capacities".
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Maintain the hydraulic oil level in the sight gauge between the "ADD" mark and the "FULL" mark.Check the hydraulic oil level with the loader on the ground and with the backhoe in the transport position.Note: The oil must be free of bubbles. If bubbles are present in the oil, air is entering the hydraulic system. Inspect the suction hoses and hose clamps.
Inspect the gasket on the hydraulic tank filler cap for damage. Replace the gasket, if necessary.
Install the hydraulic tank filler cap.
Replace the access panel.