Forklift Brakes - A brake in which the friction is provided by a set of brake shoes or brake pads that press against a rotating drum shaped unit called a brake drum. There are several specific differences among brake drum types. A "brake drum" is usually the explanation given whenever shoes press on the inner exterior of the drum. A "clasp brake" is the term used to describe if shoes press against the outside of the drum. Another type of brake, called a "band brake" makes use of a flexible belt or band to wrap round the exterior of the drum. Where the drum is pinched in between two shoes, it could be called a "pinch brake drum." Similar to a typical disc brake, these kinds of brakes are rather uncommon.
Early brake drums, before 1955, required to be constantly adjusted to be able to compensate for wear of the drum and shoe. "Low pedal" can result if the required modifications are not performed sufficiently. The vehicle could become dangerous and the brakes could become useless if low pedal is combined along with brake fade.
There are several different Self-Adjusting systems designed for braking offered nowadays. They can be classed into two separate categories, the RAI and RAD. RAI systems are built in systems which help the apparatus recover from overheating. The most popular RAI makers are Bosch, AP, Bendix and Lucas. The most famous RAD systems include AP, Bendix, Ford recovery systems and Volkswagen, VAG.
The self adjusting brake would typically only engage whenever the forklift is reversing into a stop. This method of stopping is satisfactory for use where all wheels use brake drums. Disc brakes are used on the front wheels of motor vehicles nowadays. By operating only in reverse it is less likely that the brakes will be applied while hot and the brake drums are expanded. If tweaked while hot, "dragging brakes" can occur, which raises fuel intake and accelerates wear. A ratchet tool that becomes engaged as the hand brake is set is another way the self adjusting brakes can operate. This means is just appropriate in functions where rear brake drums are used. Whenever the parking or emergency brake actuator lever exceeds a particular amount of travel, the ratchet improvements an adjuster screw and the brake shoes move toward the drum.
Situated at the bottom of the drum sits the manual adjustment knob. It could be tweaked making use of the hole on the opposite side of the wheel. You would have to go beneath the vehicle using a flathead screwdriver. It is extremely vital to adjust every wheel equally and to move the click wheel properly for the reason that an uneven adjustment can pull the vehicle one side during heavy braking. The most efficient way so as to make certain this tedious task is done safely is to either lift every wheel off the ground and spin it by hand while measuring how much force it takes and feeling if the shoes are dragging, or give every\each and every one the same amount of clicks utilizing the hand and then do a road test.
Click to Download the pdf