Prince dump truck rear window roller blind failure maintenance: 1. Model: Prince truck, chassis model E65, engine model M54, VIN code wBAGN41010DM7541l. 2. Symptom: According to the driver introduction roller blind switch car cab structure, operating on the rear door, 'the two rear window roller blind did not respond. 3. Troubleshooting: On the left rear door and right rear doors were installed a roller blind switch, each roller blind switch includes a rear window shade shutter selector switch, rear window side windows (main windows) roller blind switch, rear window sunshade triangular window shutter switch, windshield sunshade shutter switch. Prince dump truck rear window roller blind with two gear selector switch is used to select the left rear window roller blind or right rear window roller blind, that operates a rear window sunshade curtain switch, you can cover the lame left rear window shutter, window roller blind, rear windshield sunshade shutter control right after. The actual operation, and found two rear window roller blind (including the side window roller blind and triangular window roller blind) did not respond cab car logo, rear windscreen roller blind is normal. In the hot summer, as some open heavy truck drivers who are hoping to use the air conditioning, with air conditioning and refrigeration than the open windows of the cab comfortable natural wind blowing. Especially if the weather is too hot in the summer will make people feel tired and sleepy so that will be very dangerous on the highway. If your cab with air conditioning is broken can not be used now not worry, I'll be following for the Prince cab automotive air conditioning is not cooling the main reasons which: A: First, we must make a judgment whether our air conditioning refrigerant adequate or poor quality, as some drivers to drive for years have never checked the air conditioning refrigerant, the refrigerant is too small or if the poor quality of the cab cool car, it should add a good punch or replace refrigerant. II: cab air conditioning room temperature sense head reaches the set temperature. Automotive air conditioning and indoor air-conditioned home is the same as if the car after the first air-conditioned room temperature reaches the set temperature, the air conditioning unit will no longer work, the main manifestations are: After conditioning reaches a certain temperature, enter shutdown. Three: compressor capacitor damage or bad. Automotive Compressor capacitor damage or bad, it will cause the compressor does not work. The main manifestations are: automotive interior and machines are working, the compressor does not rotate and can cause overheating. Four: Check the condenser is faulty. If we need a long time to clean the condenser, because over time, then the surface condenser will cover some of the dust is not conducive to the discharge of heat, we can use water to clean it. Five: Check the compressor belt. Compressed air conditioner in the summer, when the opportunity to try different sound issue, if we want to change the belt is loose pieces new, enough power compressor will work properly, air conditioning and refrigeration to work properly. These are my simple analysis of the Prince cab air conditioning failure, we want to help. Automobile cab films, automobile cab, Jinan Yiu Cheung Yiu Cheung provided by Jinan Trading Company. Jinan Yiu Cheung Trading Company (www.jinanyaoxiang.com) strong, credible, in Jinan, Shandong engine assembly industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead you hand Jinan Yao harmony into the brilliant, for a better future!