Evolution EV HFDX
34
23.5
Oil pressure adjustment
To adjust oil pump pressure, turn screw
(1)
clockwise to increase and anti-clockwise to reduce.
1 - Pressure adjustment.
2 - Vacuum gauge input
3 - Electrovalve.
4 - Pressure gauge input
5 – Nozzle outlet.
6 - Return.
7 - Suction.
23.6
Oil feed pipe diagrams
These diagrams and table relate to installations without throttling and with perfect hydraulic
sealing. The use of copper pipes is recommended. Do not exceed the maximum negative pressure
of 0.4 bar (30 cmHg).
Suction installation
H
Pipe length
(m)
int 8 mm.
int 10 mm.
0.0 25 60
0.5 21 50
1.0 18 44
1.5 15 38
2.0 12 26
2.5 10 26
3.0 8 20
3.5 6 16
Load installation
H
Pipe length
(m)
int 8 mm.
int 10 mm.
0.5 10 20
1.0 20 40
1.5 40 80
2.0 60 100
Suction installation
H
Load installation
H
H
SUNTEC - MOD. AS47C
1
2
3
4
5
6
7
DANFOSS - MOD. BFP 21 L3
3
5
4
2
7
6
1
