HUB-REACTION 9W9135 - Caterpillar

Illustration 1 g01287241
Place the machine in the servicing position.
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Lock the left hand console in the down position. Note: Push down on the left console until the console latches. This will allow the operator to operate the factory installed hydraulic controls.
Turn the engine start switch to the ON position.
Move the joysticks and the travel levers/pedals to the full stroke positions in order to relieve the pressure in the pilot lines.
Turn the engine start switch to the OFF position and release the left hand console to the raised position.
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Slowly loosen the fill/vent plug on top of the hydraulic tank in order to relieve the internal pressure of the hydraulic tank.
After the pressure is relieved, tighten the fill/vent plug.
Open the access door on the right side of the machine.
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The case drain filter is located in the pump compartment.
Clean the area in order to keep dirt out of the filter base.
Remove the used case drain filter from the filter base. Note: Used filters should always be disposed of according to local regulations.
Clean the filter base.
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Coat the seal of a new case drain filter with clean hydraulic oil.
Install the new oil 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.
Start the engine and operate the machine slowly for 10 to 15 minutes. Move each cylinder evenly through several cycles.
Return the machine to the servicing position. Check the machine for oil leaks.
Stop the engine.
Check the hydraulic oil level. Reference: For the correct procedure, refer to Operation and Maintenance Manual, "Hydraulic System Oil Level - Check".
Close the access door.