120H Motor Grader Caterpillar


Hydraulic System Oil Level - Check

Usage:

120H 2AN

------ WARNING! ------

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

----------------------

Operate the machine until the oil is warm.

Park the machine on a level surface with front wheels straight ahead. Lower all attachments to the ground. Apply a slight downward pressure to the attachments. Center the articulation of the machine and install the frame lock pin. The frame lock pin must move freely in the frame. Move the front wheels to vertical and install the bolt for the wheel lean. Engage the parking brake. Stop the engine.




Illustration 1g00689389

The hydraulic tank sight gauge is positioned on the left side of the machine.




Illustration 2g00110368

  1. Maintain the oil level above the "ADD" mark in hydraulic tank sight gauge (1) .



    Illustration 3g00110369

  1. If necessary, add oil. Slowly loosen the filler cap in order to relieve the tank pressure. Remove filler cap (2). Add oil through the filler tube.

  1. Clean the filler cap and install the filler cap.

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