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Installation
Bosch Rexroth AG, A4VG Series 40, RE 92004-01-B/05.2017
Table 10: Ports A4VG Series 40
Ports
1)
A, B
Working port
S
Suction port
T
Drain port
1
T
Drain port
2
R, R
Air bleed port
1
X
, X
Control pressure port (upstream of orifice)
1
2
X
, X
Control pressure port (upstream of orifice, HT
1
2
only)
X
, X
5)
Stroking chamber pressure port
3
4
G
Boost pressure port inlet
P
Pilot pressure port inlet
S
P
Pilot pressure port (DA..6 only)
S
Y
Pilot pressure port outlet
ST
Y
Pilot pressure port outlet (DA..6 only)
ST
Y
Pilot pressure port outlet (HT only)
HT
M
, M
Measuring port pressure A, B
A
B
M
Measuring port, high pressure
H
Y
, Y
Pilot pressure port (pilot signal HD only)
1
2
Z
Pilot pressure port (inch signal DA..5 only)
The measuring system and thread size can be taken from the installation drawing.
1)
2)
Short-term pressure peaks may occur depending on the application. Keep this in mind when
selecting measuring devices and fittings.
3)
Plugged for external boost pressure supply.
Depending on the installation position, T
4)
position" on page 31)
5)
Optional
6)
O = Must be connected (plugged when delivered)
X = Plugged (in normal operation)
or T
must be connected (see chapter 7.3 "Installation
1
2
State
6)
p
[bar]
2)
max
500
O
5
O
3)
3
O
4)
3
X
4)
3
X
40
X
40
O
40
X
40
X
40
X
40
O
40
X
40
O
40
O
500
X
500
X
40
O
80
O
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