Bosch rexroth A4VSO 10 Series Instruction Manual page 47

▶ Use the drawings (installation drawing) to determine the required stud end for
each fitting.
▶ Make sure the right fittings, mounting bolts and threaded plugs are installed.
▶ For all female threads, use a stud end from the same system of units and
of the correct size.
port overview
Fig. 12: port overview A4VSo, Dr control
table 15: ports A4VSo
ports 1)
B
B1
S
K
1
K
2
M
B
M
S
M , M
1 2
M
St
r(L)
t
U
X
D
X
F
r
KV
X
Lr
X
1/2
p
1) The measuring system and thread size can be found in the installation drawing. Sizes may vary.
2) Only for series 30
M
2
R(L)
M
K
1
U
Working port (high-pressure series)
Fastening thread
2. Working port (high-pressure series)
Fastening thread
Suction port
Fastening thread
Flushing port
Flushing port
Working pressure measurement
Suction pressure measuring
2)
Control pressure measuring
Pilot pressure measuring
Fluid filling + air bleeding
Fluid drain
Flushing port (bearing flushing)
Pilot pressure port for pressure controller
Pilot pressure port for flow controller
External control fluid return (NG40 to 250)
Pilot pressure remote adjustment for power controller
Pilot pressure
Control pressure
RE 92050-01-X-B1/2019.08.23, Axial piston variable pump A4VSO, Bosch Rexroth AG
B
M
1
M
B
M
S
B
B
S
Installation
1
K T
2
43/72