Delong cab usability concerns. Delong cab usability aspects include: HMI elements reasonable, readable interface and control feel good. Only by anthropometry and biomechanics knowledge and data, in order to ensure the cab environment suitable for the physical and psychological characteristics of the human body, to ensure a healthy posture drivers work so people can not only efficiently complete the work 'they feel comfortable and not produce fatigue. Cab seat design parameters should meet the "seat - settee" angle of 92 degrees, 7 degrees inclination seat after seat height 43-50cm, seat depth is 48-52cm, seat depth is 40-42cm, backrest height 45-50cm, influencing factors, including the degree of visual dashboard perspective and horizon, dashboard own dimensions, the size ratio of the display arrangement and shape information and graphics, digital, display color and other factors. Should be simple, eye-catching design language as the main heavy truck cab, avoiding complicated graphics. HOWO vehicle maintenance watched inside and outside maintenance, outside refers to the surface of the car, the car body paint primer aging Chinese heavy truck cab assembly and maintenance, such as making automobile coatings, car wax, car tires, tire pressure measurement, automotive Clean car wash, auto film, and so can the car maintenance car paint or play a role in the car. Within means the car, such as upholstery cleaning, car sauna disinfection, engine cleaning, air cleaning, oil change, a glass of water, vehicle chassis armor are all car maintenance mode. There are routine maintenance items: 5000 km / second for once oil, 25,000 km / time change fuel filters, 25,000 km / time change spark plugs, 40,000 km / time change brake fluid, replace air conditioning filter once a year, automatic transmission Oil and oil filters and manual transmission 80,000 km / second, 2-3 year battery, fuel injectors 25,000 km / time to clean up, 50,000 kilometers brakes / inspections throttle 15,000 km / second, locks, hinges, sunroof, 1000 km engine cover lock, luggage lock / second inspection and lubrication of the engine oil is not only to be replaced regularly, three filter Jinan heavy truck cab assembly, some engines for a long time without cleaning and maintenance, road conditions bad car, simple Replace the oil is no longer able to keep the engine clean inside, then they would have the engine cleaned. For normal vehicles, the driving to 40,000 -50,000 km when the engine is also useful for cleaning and maintenance needs. Vehicle maintenance are guaranteed home net net oil and water if gasoline or oil is not pure, it will accelerate the wear and tear of parts, causing oil spills, oil pressure drops, oil clogging and other failures. If cooling water is not pure, cooling will increase the scale, hinder engine cooling, accelerate wear parts. Shandong Heavy Duty Truck Cab | Jinan Yiu Cheung (certified) | heavy truck cab provided by Jinan Yiu Cheung Trading Company. Jinan Yiu Cheung Trading Company (www.jinanyaoxiang.com) Shandong Jinan, engine assembly leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jinan Yiu Cheung leadership with the staff warmly welcome all inquiries negotiations to create Jinan Yiu Cheung a better future.