BMW 3 of the E46 series

since 1998 release

Repair and operation of the car

Natyazhitel of a seat belt. Main data and security measures

Natyazhitel of a seat belt is established in forward seats. It provides at frontal blow a dense prileganiye of a seat belt to a trunk and interferes with sliding of the passenger under a belt. The natyazhitel at strong frontal blow joins an electronic monitor a safety pillow / natyazhitelem a belt. Depending on weight of accident the monitor includes or only a natyazhitel of a belt or in addition also a safety cushion.

By means of a monitor in a natyazhitel of a belt the small charge ignites. The gases which are formed at explosion put forward the piston which is connected with the belt lock through a rope in a pipe of a natyazhitel. Thus the lock of a belt lasts down in such a way that idling of a shoulder and pelvic strap is reduced.

The worked natyazhitel of a belt is determined by fire of a control lamp of a pillow of safety / natyazhitelya a belt. In the worked state the seat belt works as if the natyazhitel is absent. Natyazhitel of a belt does not demand leaving. After its operation it is necessary to replace in a set.

Before utilization of not worked natyazhitel of his belt it is necessary to neutralize forcibly (work HUNDRED).

It is necessary for prevention of casual operation of a natyazhitel of a belt and a safety cushion will examine address safety rules with a seat belt, address to the Section Steering with the hydraulic booster (servoupravleniye).

Security measures at the address with a natyazhitel of a seat belt

- Replacement and check of system a natyazhitel a belt/safety cushion should be carried out on HUNDRED. It is not allowed to carry out any constructive changes.
- If owing to accident the natyazhitel of a belt worked, it needs to be replaced on new (work HUNDRED).
- Before performance of work with a natyazhitel of a belt it is necessary to disconnect a negative cable (-) of the battery. After that it is necessary to isolate a negative pole on batteries to exclude casual contact with it.
- Removed, but an unused natyazhitel of a belt, at long car repairs it is necessary to store under the lock.
- The knot of a natyazhitel of a belt and a monitor are sensitive to blows. If they fall from height more than 50 cm, it is impossible to establish to the place of them.
- When carrying out welding the plug of the welding machine has to join directly the welded detail. Anyway the monitor needs to be disconnected from a cable.
- The safety pillow monitor / natyazhitelya a belt is under the central console. For an exception of functional violations near it it is impossible to hold the magnetizing subjects.
- The knot of a natyazhitel of a belt and the device of safety cannot even be subjected to influence of temperature above +90 °C quickly. The damaged elements are not subject to repair. The vskryvaniye of elements of system a safety pillow / natyazhitel a belt is not allowed. Before installation double-check, whether the negative cable is disconnected (-) and whether the negative pole of the battery is closed.
- It is not necessary to remove and utilize independently a natyazhitel of a belt at all. There is a danger of explosion!

Check of system

- At ignition inclusion a control lamp of system the safety pillow / natyazhitel a belt has to light up and go out later 4 pages.
- If the control lamp at inclusion of ignition does not light up, it indicates existence of malfunction in system. If the lamp does not die away or lights up during the movement, in system the safety pillow / natyazhitel a belt is available malfunction. Thus it must be kept in mind that the system is not efficient.