LINES GP-AUXILIARY HYDRAULIC 4247017 - Caterpillar

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Remove drain hose (1) from the retainer.
Remove the cap from the end of drain hose (1). Drain the oil into a suitable container.Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for more information on containing fluid spillage.
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Open the left side access panel in the hopper. Remove filter (2). Discard the used filter element.
Clean the filter housing base. All of the old filter seal must be removed from the filter housing base.
Apply a thin coat of engine oil to the seal of the new filter element.
Install the new filter by hand. Instructions for the installation of the filter are printed on the side of each Caterpillar spin-on filter. For non-Caterpillar filters, refer to the installation instructions that are provided by the supplier of the filter.
Close the access panel in the hopper.
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Remove oil filler cap (4). Fill the crankcase with new oil. See Operation and Maintenance Manual, " Capacities (Refill)" for the correct refill capacity. Clean the oil filler cap and install the oil filler cap.
Check the engine oil level with oil level gauge (3). Maintain the oil level between the "FULL" mark and the "ADD" mark on the oil level gauge.
Start the engine and run the engine for 2 minutes. Monitor the oil pressure gauge.
Inspect the machine for oil leaks.
Stop the engine.
Wait for 10 minutes in order to allow the oil to drain back into the crankcase. Check the oil level.