CORE AS 6L1533 - Caterpillar

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids.Dispose of all fluids according to local regulations and mandates.
Check the valves on the host machine. The valves must be in the OPEN position. Refer to the Operation and Maintenance Manual of the host machine for the different positions of the valves.
If a work tool is connected to the quick coupler, disengage the work tool. Remove the work tool from the quick coupler.
Start the host machine. Run the host machine until the hydraulic oil temperature reaches the normal operating temperature for the hydraulic oil.
Engage the quick coupler and disengage the quick coupler for three times in order to purge the air from the hydraulic system.