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Home > News > Industry News > Pay attention to the maintenan.....


Pay attention to the maintenance of suction sewage truck "respiratory system"

  • Author:Changjie
  • Release on :2016-09-03

1. Always pay attention to maintaining cleaning air filter of suction sewage trucks and clean air filter of suction sewage truck for every 5000km; use compressed air to remove dust in it. After each 15000km driving, you should replace the air filter sewage suction trucks. Suction sewage truck air filter maintenance includes: checking whether the air cleaner housing depression, damaged. If so, should be trimmed or replaced.
Sewage suction trucks cleaning filter, cleaning method is blown out with compressed air from the inside. If the filter is damaged or too soiled, replace the filter.
Check the seal gasket at each connection part of suction sewage truck. If the seal is damaged or poor, it should be replaced.
2. Check the intake manifold preheat thermal switched and intake pipe preheating state of suction sewage truck
Use an ohmmeter to check. When the temperature is below 60 ℃, the resistance value of a few ohms; when the temperature is above 70 ℃ resistance value of several tens of ohms. Suction sewage truck engine cold ambient temperature 20 ℃, resistance check preheater voltage of at least 11.50V, check the connection between the valve and the ground line, a predetermined value 0.25-0.50Ω.
3. Check suction sewage truck carburetor deputy chamber thermal pneumatic valve
Rating: less than about 48 ℃, the pneumatic valve is closed; above approximately 58 ℃, pneumatic valve opens.