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Part list
Adjusting valve FRL
No. Description(C10) No. Description(C6)
1 Air inlet 1 Air inlet
2 Pressure gauge 2 Pressure gauge
3 Adjusting knob 3 Adjusting knob
4 Air outlet 4 Oil cup
5 Oil adjusting knob
6 Oil filling hole
4.2 Maintenance:
4.2.1 Cleaning of vacuum chamber
4.2.1.1 If the working process is finished, use clean and wet cloth to wipe the vacuum
chamber and sealing set.
4.2.2 Vacuum oil replacement.
4.2.2.1 Recommended vacuum oil: BP Engergol RC100, Esso Nuto H100, Mobil Rarus 427.
4.2.2.2 Drain the oil completely before filling new oil.
4.2.2.3 Oil capacity should be kept at least two-thirds of total amount.
4.2.3 If the heat-resistance cloth on the heater is damaged, please replace it immediately.
4.2.4 Change the oil of the vacuum pump for every 300 hours. If the packaged product is full
of juice, shorten the oil replacing cycle time. Also check the oil level from oil sight
glass every week. Oil capacity should be kept at least two-thirds of total amount. If the
oil is dirty, please replace it immediately.
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