Bosch REXROTH A4VSO User Manual

Installation 51/104
RE 92076-01-B/10.2017, A4... with HS5E pilot control valve/Series 3x, Bosch Rexroth AG
Fig. 16: Port overview of A4VSO with HS5E controller, clockwise rotation
Table 12: A4V ports Series 3x
Ports
1)
p
max
[bar]
2)
State
B Working port 400 O
B
1
4)
Additional connection 400 O
B
1
5)
Second pressure port (high-pressure series) 400 O
S Suction port 30 O
K
1
Flushing port 4 X
K
2
Flushing port 4 X
U Flushing port 4 O
6)
T Fluid drain 4 X
3)
R(L) Fluid filling and air bleeding 4 O
3)
M
B
Measuring port working pressure 400 X
M
S
Measuring port suction pressure 30 X
M
1
, M
2
Measuring port control pressure 400 X
P Control pressure port 350 X
S
p
Control pressure port of accumulator port 350 X
R
KV
Control fluid return flow 5 X
R
2
- R
7
Air bleeding of stroking chamber 350 X
1)
The measuring system and thread size can be taken from the installation drawing.
2)
Short-term pressure peaks may occur depending on the application. Keep this in mind when
selecting measuring devices and fittings.
3)
Depending on the installation position, T or R(L) must be connected (see chapter7.3 “Installation
position” on page42)
4)
Version 13: for NG 40 to 355
5)
Version 25: for NG 40 to 1000
6)
Must be connected for version for HFC hydraulic fluids.
O = Must be connected (plugged on delivery)
X = Plugged (in normal operation)
Port overview
S
T
M
S
K
1
R(L)
U
K
2
B
B
1
R
5
- R
7
R
2
- R
4
R
KV
S
P
M
2
M
1
P
M
B
M
B

Bosch REXROTH A4VSO Specifications

General

Brand	Bosch
Model	REXROTH A4VSO
Category	Water Pump
Language	English