32/68 Installation
Bosch Rexroth AG
, A4VG Series 40, RE 92004-01-B/05.2017
7.3.1 Below-reservoir installation (standard)
Below-reservoir installation means that the axial piston unit is installed outside
of the reservoir and below the minimum fluid level of the reservoir.
Recommended installation position:
1
and
2
.
h
t min
h
min
SB
T
1
S
R
1
X
4
,
X
3
T
2
S
X
2
,
X
1
h
t min
h
min
SB
h
t min
h
min
X
4
T
2
T
1
S
SB
SB
h
t min
h
min
T
2
S
h
t min
h
min
X
3
T
2
T
1
S
SB
X
1
X
2
X
1
X
2
1
2
3
4
5
6
T
1
X
2
,
X
1
S
R
SB
h
t
min
h
min
Fig. 8: Below-reservoir installation with installation position 1-6
T
1
,
T
2
Highest drain port
X
3
,
X
4
Stroking chamber pressure port
R
Air bleed port
h
t min
Minimum required immersion depth
(200 mm)
R
1
Air bleed port (special version)
h
min
Minimum required distance to
reservoir bottom (100 mm)
S
Suction port
SB
Baffle (baffle plate)
X
1
,
X
2
Control pressure port
Table 8: Below-reservoir installation
Installation position
Air bleeding
the housing
Air bleeding the
stroking chamber
Filling
1 (drive shaft horizontal)
R
X
1
,
X
2
S
+
T
1
+
X
1
+
X
2
2 (drive shaft horizontal)
–
–
S
+
T
2
3 (drive shaft vertically downward)
–
X
1
,
X
2
S
+
T
2
+
X
1
+
X
2
4 (drive shaft vertically upward)
R
1
X
3
,
X
4
S
+
T
1
+
X
3
+
X
4
5 (drive shaft horizontal)
–
X
3
S
+
T
2
+
X
3
6 (drive shaft horizontal)
–
X
4
S
+
T
1
+
X
4
