PLATE CLUTCH 3R5017 - Caterpillar

Air Starting System
The air starting system is installed on the flywheel housing. Air for the starting system comes from an accessory air compressor. Air is sent through a tank to a remotely installed pressure regulator valve. The pressure is adjusted to the correct pressure for starting.In order to start the engine, push on the knob of starter control valve (1).
Illustration 1 g00597299
Typical Example (1) Control Valve. (2) Oiler. (3) Air Starting Motor.The starter control valve (1) controls the air passage to the air motor (3). As the air flows through the oiler (2) the air receives an oil spray. This oil spray provides lubrication to the rotor and vanes of the air motor.Oiler
An air tube in the air passage through the body of the oiler causes pressure above the oil in the bowl. The oil is sent from the bowl through a tube. The oil flows to a chamber under the top plug on the body. The oil flows through an orifice. This orifice permits a flow of oil at a rate of about four drops per minute.