325D and 329D Excavators Hydraulic System Oil Level

Hydraulic System Oil Level - Check

325D and 329D Excavators [SEBU7866]

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Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.

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NOTICE

Never remove the fill/vent plug from the hydraulic tank if the oil is hot. Air can enter the system and cause pump damage.

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Illustration 1	g00102817
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.
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Illustration 2 g00102818
Open the access door on the right side of the machine.
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Illustration 3 g01121278

(A) High temperature range
(B) Low temperature range
For a cold machine, maintain the hydraulic oil level in the low temperature range (B). For a machine that is at normal operating temperature, maintain the hydraulic oil level in the high temperature range (A).
Close the access door.
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Illustration 4 g01208340

Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information that pertains to Containing Fluid Spillage.
Note: Perform Step 5 through Step 7 if the oil level is low.
Slowly loosen the fill/vent plug in order to relieve any pressure. Add oil, if necessary. See Operation and Maintenance, "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.