11.5.5. Seat belts with a pyrotechnic prednatyazhitel
Fig. 9.52. An arrangement of components of the device of a safety cushion and pyrotechnic devices of a prednatyazhitel of seat belts (on cars with two blocks of a pillow): 1 — the electronic control unit; 2 — a reeling-up drum with the pyrotechnic device before a natyazhitel of seat belts; 3 — the block of a pillow of the passenger; 4 — the block of a pillow of the driver; 5 — the rotary switch
The pyrotechnic device established in system of seat belts, provides an instant tension of belts in case of car collision and (fig. 9.52, 9.54) serves as means of passive safety.
Fig. 9.54. Seat belts with the device of a preliminary tension: 1 — the bottom fastening; 2 — the top fastening (a bolt with RESISTORX T50 marking); 3 — the safety lever in position of the switched-on device; 4 — the safety lever in position of the switched-off device
After removal of the pyrotechnic device do not subject it to blows, do not leave on the sun and do not subject to heating. At replacement use only the details intended for this model of the car, including seat belts, the electronic equipment and connecting wires. Before work disconnect a wire from the minus plug of the storage battery.