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Bentone BF1
General
4
9 8
3
5
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7
2
1
10
7
9
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5
2
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10
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4
3
6.2 Danfoss BFP 11 and BFP 21
6.2.1 Technical data
Viscosity range: 1,3–12,0 mm
2
/s
Pressure range: 7–15 bar
Oil temperature: –10 to +70°C
6.2.2 Components
1. Pressure regulation
2. Manometer connection G 1/8”
3. Filter
4. Solenoid valve
5. Nozzle connection G 1/8”
6. Vacuum manometer connection G 1/8”
7. Horseshoe washer/Return plug
8. Suction line G 1/4”
9. Return line G 1/4”
10. Metal plug G 1/4”
6.2.3 Filter replacement BFP 11
Cut off the power and shut off the oil supply. Remove the pump cover
with the aid of a 4 mm Allen key. If necessary a
screwdriver may be used between the cover and the
housing to carefully pry the cover off. Replace the old
filter with a new one. Replace the cover, tighten lightly.
Do not forget to replace the gasket.
Open the oil supply and switch on the power.
6.2.3.1 One-pipe system
Remove the filter (refer to Filter replacement BFP 11),
install the horseshoe washer (7), plug the return line (9)
with the metal plug (10) G 1/4”, re-install the filter.
6.2.4 Filter replacement BFP 21
Cut off the power and shut off the oil supply. Remove the filter screw from
the cover with a 4 mm Allen key and pull out the filter insert. If necessary a
screwdriver may be used between the filter and the screw to carefully pry out
the filter. Replace the old filter with a new one by pressing the new filter down
onto the filter screw. Replace the insert, tighten lightly.
Do not forget to replace the O-ring. Open the oil supply and switch on the
power.
6.2.4.1 One-pipe system
Remove the return plug (7), plug the return line (9) with the metal plug (10) G
1/4”
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