REGULATOR A. 2L4829 - Caterpillar

Electric Swivel
Illustration 1 g03304739
Electrical swivel
The electric swivel allows the machines electronics to operate in a 360 degree rotation . The swivel is responsible for the lower system electronic connections.There are two connectors and 20 functions travel through the swivel. The wire enters the top of the swivel and is connected to the bottom section through metal rings and metal brushes. As the machine rotates, the metal brushes slide around the metal rings creating the electrical connection.Hydraulic Swivel
Illustration 2 g03300018
Swivel as seen from below
(1) Pilot oil
(2) Return
(3) Hydraulic pressure
(4) Hydraulic pressure
(5) Pilot oil
(6) ReturnThe hydraulic swivel allows the machines hydraulics to operate in a 360 degree rotation . The swivel is responsible for the hydraulic oil that flows to the stabilizer, ground saw, and delimber functions.
Illustration 3 g03300003
Oil flow through hydraulic swivel (Active ports only)
(1) Pilot oil
(2) Return
(3) Hydraulic pressure
(4) Hydraulic pressure
(5) Swivel
(6) Main control valve