( 1 ) The structural design of the garbage truck is irrational and there are quality problems.
( 2 ) The gasket is damaged, or it may have been displaced or incorrectly installed.
(3) Due to the uneven twisting force, the slide fastener broken wire or the like fastening nut Songkuang off useless.
( 4 ) Due to a long time of use, some of the sealing materials of the garbage truck will be seriously worn out and even be deformed by aging, thus losing its function.
( 5 ) Improper addition of lubricating oil, or mixed oil.
( 6 ) The joint surface of some components of the garbage truck is damaged or deformed.
(7) Since the garbage truck. Vent plug and the check valve clogging, the pressure difference is generated box outside the housing, leading to weak seal oil leakage.
Second, garbage trucks oil spill prevention measures:
( 1 ) The liner of the garbage truck should be paid attention to, and its quality and installation specifications must be guaranteed. Otherwise its sealing function will be affected, leaving hidden dangers.
( 2 ) Tighten all tightening nuts on the garbage truck to the specification . If the nut is too loose, the pressure on the gasket will be reduced and leakage will occur . If the nut is too tight, the surrounding metal protrusion will eventually cause oil leakage. If garbage truck drain oil drain plug  If there is no tightening or loosening, the garbage oil will flow out and cause other accidents.
( 3 ) Replace the failed oil seal in time. Garbage trucks use oil seals for too long, and its rubber will age, causing it to lose its elasticity. If the owner has a leak, replace the new oil seal immediately.
( 4 ) To prevent clogging of the check valve and vent valve of the garbage truck . Because the blockage, will rise garbage truck tank shell temperature, and then the steam filled the oil, it will cause can not be discharged, the internal pressure is increased, but also increased oil consumption. When the garbage truck engine breather system congestion occurs, it will cause the movement resistance of the piston of the engine is increased, thereby increasing fuel consumption. Further, the air pressure inside and outside the tank shell RCVs generated by a difference, which makes the weak seal oil leakage. Therefore, vehicle owners usually have to clean up and inspect garbage trucks.
( 5 ) Ensure the quality of lubricants, add lubricants properly, and regularly check the oil level.
(6) ensure that all types of tubing joints sealed garbage truck good. Some frequently used dismantling joint nuts for vehicles are more prone to loosening and wear, and they are also prone to oil leaks. The owner can use the grinding method to improve its sealing.
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