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III operating and requirements of air-powered FRL combination
Note: If the air source is not clean, the seal system of air-powered components such as air pressure
regulating valve, cylinder, reversing valve and so on can be damaged easily.
3.1 Air-powered FRL combination
Air-powered FRL combination is an important and indispensable component which consists of air filter,
pressure reducing valve and oil atomizer (as shown in Figure 1) its roles as follows:
3.1.1 Air filter: It can filter most water brought by the air compressor in air-producing process and keep the
water in the cup under the filter.
3.1.2Reducing valve: Rotating the handle after pulling the regulator handle upward forcibly, and clockwise
rotation for the pressurization, anti-clockwise rotation for the decompression; it is recommended to set the
pressure at 0.5—0.8MPa, depending on the ambience and the path length; push the handle up to the
original protective position after regulate the pressure to the necessary pressure by observe the
barometer.
3.1.3 Air Atomizer: The lubricant in oil cup of the air atomizer will flow to all air-powered parts to
complement the lubricant with the flow of air.
3.2 .The operating requirements of the air-powered FRL combination are as follows:
3.2.1. Water drainage should be did expelled every day if the cup at the bottom of the air filter has water,
the steps are as follows: the water in the cup can be discharged by cutting off the main air source of the air
compressor, evacuating air in the equipment and unscrew the knob at the bottom of the water cup of the
air filter when the barometer being zero on the pressure reducing valve, tighten the knob after the water
being drained thoroughly.
Warning: If there is possibility that the water may contact with the electrical parts when water drainage,
it is important to use containers to catch the water to avoid personal harm.
3.2.2 The oil cup at the bottom of the oil atomizer is used to store lubricant, to add lubricant there are two
methods. First, remove the oil and put it back after it was filled; second, fill lubricant through the oil hole at
the top of the oil atomizer.
Note: The lubricant being added can be general 22#engine oil, but it must clean and free of impurities.
22# turbine oil is preferable, which must be clean.
Figure 1
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