Truck Clutch Booster

Designed to reduce the effort required for the pedal to be engaged, a truck clutch booster (also referred to as a power brake booster) is a component of a vehicle's braking system. This device can increase the efficiency of the clutch by 30-40 percent, making the pedal easier to push. The device is made of a piston, a lever, a spring, and a servo.

Typically, a pressurized fluid source is used to push the piston forward. A valve preferably serves to control the flow of the pressurized fluid. The resulting boosting force is then transmitted to the input means. The output of the system is a feedback signal that lets the operator know if the clutch has been released. Normally, the proportional feedback is not active during engine operation.

The foot pedal can also be connected to the actuating linkage of the clutch. The pressure from the pedal is transmitted to the booster, which increases the pressure of the working fluid. Usually, the boosting effect is doubled when air is introduced at eight to ten atmospheres. If the working fluid is not replaced, the leak will likely become visible.

A control system enables the input means to be selectively restricted from communicating with the chamber. This prevents the source of pressurized fluid from leaking into the system. The input means is usually shown in the form of a reciprocal rod 27 of the pedal linkage.

The pump is mounted in the housing. It may be mechanical or hydropneumatic. The system may include an accumulator. Normally, the accumulator is empty when the engine is not running. It is necessary to add hydraulic oil to the tank if the level falls below the top edge.

The pedal has a diaphragm. The clutch pedal also includes a pressure reducer valve, which is a device that allows the compressed air to be pushed to the right instead of being blown out the exhaust hole at the end of the core rod. The accumulator may contain engagement springs or a disc. The control system can be located in the driver's cabin. This device is usually a simple, non-complex system that provides the safety and efficiency of the clutch.

The clutch system is a crucial part of a car. If the clutch is not properly maintained, the vehicle can fall into a dangerous situation. A clutch booster can increase the life of the system and improve its response. This device is usually the least expensive component of a clutch. However, a defective one can cause a spongy pedal. A damaged clutch booster can also affect the pedal pressure. This is a clear indication that the component needs to be repaired. The clutch booster has a flange mounted on the right side of the unit's housing. The servo spring is situated inside the flange.

A piston and a radial port are provided in the collar member 33. This assembly is secured to the piston and communicates with the drain through passage 35. The collar member also features a cross-port 36. This port is adapted to communicate with a port 31 that is adapted to communicate with a slot 32.