PLATE 8M2824 - Caterpillar

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.
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 g03539440
Typical example of a machine in the service position.
Park the machine on a level surface and place the machine in the service position. Lower the bucket, or grapple, to the ground with the stick in a vertical position. Make sure that the stabilizers and the dozer blade (if equipped) are in the fully raised position.
Open the left access door of the machine.
Illustration 2 g06087573
(A) High temperature range
(B) Low temperature rangeNote: The sight glass for the hydraulic system oil level is located near the front of the DEF tank.
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.Perform the steps below if the oil level is low:
Illustration 3 g03539424
Typical example
Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information that pertains to Containing Fluid Spillage.
Slowly loosen the fill/vent plug to relieve any pressure. Add oil, if necessary. See Operation and Maintenance Manual, "Lubricant Viscosities".
Check the O-ring seal of the fill/vent plug. Replace the O-ring seal if the O-ring seal is damaged.
Clean the fill/vent plug and install the fill/vent plug.
Close the left access door.