A hydraulic compensator is a device whose task is to automatically adjust the thermal clearances of the engine valve, which can expand when the motor is heated and used. If they are incorrectly configured, the valves are not tightly closed, as a result, they burn out, and a knock that is uncharacteristic for the operation of the motor appears in the engine.

The finger follower transfers forces from the cam of the shaft to the valve stem with the camshaft fixed in the upper position. Due to this process, the mass of the timing belt is reduced and friction is reduced.

1. CITY-COUPE (450)
2. CABRIO (450)
3. FORTWO Coupe (450)
4. FORTWO Cabrio (450)
5. FORTWO Coupe (451)
6. FORTWO HATCH PEQUENO (451)
7. FORTWO Cabrio (451)
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The construction of the finger follower

The finder followers of the valves are in the mechanism of every modern vehicle; they automatically change the length by an amount due to the movement of parts under the action of the spring mechanism. The finger follower consists of four parts:

• The body is a finger follower or a cylindrical pusher.
• Plunger pair - solid steel cylinder and bushing.
• A spring is a location in a plunger pair between its components.
• Check valve - metal ball.

Modern-type gas distribution mechanisms are equipped with reliable FEBI BILSTEIN brand Finger Follower, engine timing, with a service life equal to the period of operation of the motor.