maintenance teaches you the correct use of forklift work lights. Usually the rear indicator lights of the forklift are composed of red brake lights, red width lights, yellow turn lights and white reversing lights. In order to meet the aesthetic requirements of the vehicle's appearance, the indicator light after the reloaded forklift has only two colors of red and yellow, with only red brake lights, red width lights and yellow turn signals, but no white reversing lights. Its reversing indication function is realized by the two rear working lights behind the cab, that is, the working lights are reversing lights during the day and back lights at night. This design is based on the heavy loading forklift used for port container loading and unloading. Forklift truck
s do not need to be illuminated by rear working lights during daytime operations, and the rear working lights are used as reversing lights. The port light is dim at night, and the front and rear working lights must be turned on when the forklift is operating to ensure the safety of the operation. The control principle of the rear working light of the forklift is shown in the figure. It is mainly composed of the mode switch 1, the transmission electronic control unit 2, the reversing relay 3, the battery 4, the fuse (5, 10, 12), and the rear working light (6, 7). ), reversing buzzer 8, work light switch 9, headlight combination switch 11 and other components. The working process is as follows: A brief analysis of forklift maintenance. When the forklift is operating during the day, the mode switch 1 should be placed in the day gear (that is, 1, 5 is closed). When reversing, the transmission electronic control unit 2 sends a low level to the coil of the reversing relay 3, and the main contact of the reversing relay 3 is pulled in (that is, 30 and 87 are closed). The current flows from the positive pole of the battery 4, through the fuse 5, the main contacts of the reverse relay 3, the contacts (1 and 5) of the mode switch 1, to the rear working lights 6, 7, and then returns to the negative pole of the battery 4 to form a loop. At the same time, the two rear working lights 6 and 7 are on, and the reversing buzzer 8 is turned on.
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