TURBOCHARGER 5567930 - Caterpillar

Never remove the fill/vent plug from the hydraulic tank if the oil is hot.Air can enter the system and cause pump damage.
Illustration 1 g00293908
The hydraulic oil tank is on the right side of the machine.
Park the machine on level ground. Lower the bucket to the ground with the stick in a vertical position, as shown.
Illustration 2 g00293654
Open the access door on the right side of the machine.
Illustration 3 g00103994
(A) High Temperature Range. (B) Low Temperature Range.
For a cold machine, maintain the hydraulic oil level in the low temperature range. For a machine that is at normal operating temperature, maintain the hydraulic oil level in the high temperature range.
Close the access door.
Illustration 4 g00103996
Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information on Containing Fluid Spillage.
Slowly loosen the filler plug in order to relieve any pressure. Add oil, if necessary.
Check the O-ring seal of the filler plug. Replace the O-ring seal if the O-ring seal is damaged.
Clean the filler plug and install the filler plug.