8.10. Devices of lighting and alarm systems

Daily before departure check operation of devices of lighting and the alarm system, eliminate the found malfunctions.
If necessary check fastening of headlights and correctness of their installation, a condition of wires and reliability of their connections.
If necessary adjust a gap between a rubber roller of the switch of indexes of turn and a nave of a steering wheel. At neutral position of the lever of the switch the gap has to be 2–2,5 mm. If the rubber roller is strongly worn-out, replace it.
For replacement of a rubber roller unscrew the central screw of the switch, remove a cover and the lever with a fiksatsionny bracket and replace a rubber roller assembled.
You make assembly of the switch upside-down.
After installation of the switch on a steering column adjust a gap between a roller and a nave of a steering wheel movement of the switch on an arm along a wheel shaft for what weaken screws of its fastening to an arm.
You make adjustment of a sound signal the adjusting screw which head is located on a back wall of the case.
Service of headlights consists in their adjustment, check and replacement of the failed lamps, removal of dust from the case and a reflector of headlights.
Delete dust from a reflector without dismantling of an optical element, carefully washing out a reflector water by means of cotton wool.
After washing dry a reflector at a temperature of 20 °C in the overturned situation (a mirror down). After drying begin to flow also spots are not recommended to be deleted. You watch reliability of fastening of tips of wires of headlights and tips of a plait of wires.
Replace lamps of headlights with the darkened flasks, without waiting for their burn-out.

Fig. 7.25. A screen marking for adjustment of headlights of cars of family UAZ-31512:
N – distance from the center of headlights to earth level


Fig. 7.27. Headlight: 1,5 – screws; 2 – decorative rim; 3 – optical element; 4 – internal rim; 6 – adjusting screws


Fig. 7.26. A screen marking for adjustment of headlights of cars of family UAZ-3741:
N – distance from the center of headlights to earth level


You make adjustment of headlights on the equipped car. Install before it the screen (fig. 7.25, 7.26). Regulate the provision of a ray of light by means of adjusting screws 6 (fig. 7.27) serially for each headlight, having removed previously rims of headlights 2. Regulate headlights at the turned-on passing beam.

Fig. 7.28. A screen marking for adjustment of fog headlights: N – distance from the center of headlights to earth level; L – distance between centers fog lights


Regulate fog lights so that light spots on the screen were located, as shown in fig. 7.28.