Bosch A4VSG - Below-Reservoir Installation (Standard)

Installation 29/60
RE 92100-01-B/09.2012, A4VSG Series 10, 11 and 30, Bosch Rexroth AG
7.3.1 Below-reservoir installation (standard)
Below-reservoir installation means that the axial piston unit is installed outside of
the reservoir below the minimum fluid level.
Recommended installation positions: 1 and 2.
15 15 0
15 15 0
T
R(L)
K
3
K
3
R(L)
B(A)
B(A)
K
3
R(L)
R(L)
T
T
U
R(L)
T
R(L)
K
2
zu S
1)
a
min
SB
h
t min
h
min
zu S
1)
a
min
SB
h
t min
h
min
SB
zu S
1)
a
min
h
t min
h
min
K
2
SB SB SB
a
min
a
min
a
min
h
t min
h
min
h
t min
h
min
h
t min
h
min
zu S
1)
zu S
1)
zu S
1)
K
2
K
2
K
2
1 2
4 5 6
3
T, R(L),
K
2
, K
3
Fluid filling + air bleeding
(case drain port)
h
min
Minimum required spacing to
reservoirbottom(100mm)
A, B Pressure port a
min
When designing the reservoir, ensure
adequate distance between the
suction line and the case drain line.
This prevents the heated, return flow
from being drawn directly back into
the suction line.
S Suction port
U Bearing flushing
SB Baffle (baffle plate)
h
t min
Minimum required immersion depth
(200 mm)
Table 8: Below-reservoir installation
Installation position Filling / air bleeding housing
1 (drive shaft, horizontal) R(L)
2 (drive shaft, horizontal) T; R(L) plug
3 (drive shaft, horizontal) K
2
; R(L) plug
4 (drive shaft, horizontal) K
3
; R(L) plug
5 (drive shaft, vertically downward) R(L)
6 (drive shaft vertically upward) T; R(L) plug
1)
If an attachment pump is fitted, please note the information given in the related data sheet. For an overview of attachment pumps,
please refer to data sheetRE 92100.
Fig. 8: Below-reservoir installation: A4VSG with installation position 1–6