Hydraulic System; Checking Hydraulic Oil Level - Volvo EC330B Operator's Manual

Hydraulic system

IMPORTANT
Exercise cleanliness when filling oil and in all work on the
hydraulic system.

Checking hydraulic oil level

Check the oil level daily
1 Retract the bucket cylinder completely, retract the arm cylinder
2 Move the safety locking lever down to lock the system secure-
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3 Move the safety locking lever securely. Move the left and right
4 Open the right side of upper structure, and check the oil level
5 If the level is in the center of the gauge, the level is OK.
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Service and maintenance
Hydraulic system
completely and lower the boom to the ground.
ly, See Safety locking system on page 60., and stop the en-
gine
operating lever, respectively to their full stroke in all directions
to release internal pressure from the hydraulic circuits.
by sight gauge.
If the level is low, open the cover on the tank to add hydraulic
oil.
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