Passenger car passage and approach measuring device

Instructions for product use
(The upper part of the channel measuring device for Levels I, II and III is separate)
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Before use, please determine the passenger vehicle to be inspected according to Chapter 3 of the Classification of B Motor Vehicles and Trailers Type, whether it is a passenger car (), a light passenger car (B), or a school bus (B).
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Determine whether the model is Class I, II, III (), Class I, Class B (B), or Type I, II, III (B).
Find the corresponding flat plate (passenger door approach measuring device) and passage measuring device, and take out the emergency door approach measuring device. Prepare the line sag (purchased separately, necessary for the inspection station, used to detect whether the flat plate is placed perpendicular to the ground)
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According to the corresponding standards (Chapter ., Chapter B., Chapter B.. Just follow the instructions provided in Chapter).
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The upper part of the channel measuring device for levels I, II and III is separate. When the location is noted in the measurement standard, if it cannot pass, remove it. If it still cannot pass, the channel size does not meet the standard. Require. Similarly, level b is also the channel measurement device used in table note, b in the measurement standard.