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n Soft, starting pr no overrun imp

n Minimal transm loss = more effi braking

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Fig 1

Examples of use

n Transportation of live stock, particularly horses

n Transport of sensitive goods (electronics, glass or similar)

n Portable access

1 = Main brake cylinder 2 = Slave cylinder 3 = Hydraulic lines 4 = Balance bar 5 = Hydraulic reservoir 6 = Handbrake lever 7 = Bracket

8 = Connection point for parking brake 9 = Bowden cable

Operating brake/ emergency brake. Upon braking of the tow vehicle, the overrun lever depresses the main brake cylinder (Fig. 1. 1 ). Should the breakaway cable be activated, in an emergency situation, the overrun lever also depresses the main brake cylinder as the handbrake is applied.

The hydraulic pressure is transferred to the slave cylinder (Fig 1. 2 ). This forces the balance bar carrying the bowden cables forward, thus applying the brakes.

Handbrake/parkingbrake Fitting situation 1 - slave cylinder is fitted in front of the axles in the direction of travel. In the case of delta

fit overrun devices the mounting kit for the slave cylinder is fitted in front of the axle. The handbrake on the hydraulic overrun device can thus brake the vehicle via the brake rod assembly (see Fig 3).

Fitting situation 2 - slave cylinder is fitted behind the axle in the direction of travel.

When a square fit over-run device is fitted, it is sometimes impossible to position the slave

cylinder in front of the axle. In this mode the handbrake on the hydraulic overrun device can‘t be operated so an additional handbrake must be fitted in another place (see Fig 4).

Overrun Device - delta and square fit

with hydraulic brake transmission device

Fig 2

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