31
22.4 Oil pressure adjustment
To adjust the oil pump pressure, turn the screw
(1)
clockwise to increase the pressure, and
anticlockwise to decrease it.
1 - Pressure adjustment.
2 – Vacuum gauge point.
3 - Valve.
4 - Manometer point.
5 - Nozzle outlet.
6 - Return.
7 - Intake.
22.5 Oil supply piping diagrams
The diagrams and tables below correspond to installations without reductions and with a perfect
hydraulic seal. It is recommended to use copper pipes. A pressure drop of 0.4 bar (30 cmHg) must
not be exceeded.
Intake installation
H- Pipe length
(m)
∅int 8 mm. ∅int 10 mm.
0.0 34 82
0.5 30 72
1.0 25 62
1.5 21 52
2.0 17 42
2.5 13 32
3.0 9 21
3.5 6 16
Charging installation
H+ Pipe length
(m)
∅int 8 mm. ∅int 10 mm.
0.5 36 80
1.0 42 90
1.5 46 100
2.0 50 100
Intake installation
H-
Charging installation
H+
H+
DANFOSS - MOD. BFP 21 L3
3
5
4
2
7
6
1
SUNTEC - MOD. AS47C
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