30/60 Installation
Bosch Rexroth AG
, A10VO, A10VSO Series 31, RE 92701-01-B/04.2018
7.3.3 Above-reservoir installation
Above-reservoir installation means that the axial piston unit is installed above the
min. fluid level of the reservoir.
To prevent the axial piston unit from draining, a height difference h
ES min
of at least
25 mm at port
F
is required in installation position 10.
Observe the maximum permissible suction height h
S max
= 800 mm. The
permissible suction height h
S
is derived from the total pressure loss.
Because complete air bleeding and filling are not possible in installation positions 10
and 12, the axial piston unit should be air bled and filled in a horizontal position
before installation.
h
ES min
9
h
t min
h
min
L
1
L
S
10
L
1
S
11
12
S
S
L
1
L
h
S max
h
t min
h
min
SB
h
S max
F
T
F
T
h
t min
h
min
SB
h
S max
F
T
h
t min
h
min
SB
h
S max
F
T
SB
Fig. 9: Above-reservoir installation A10VO/A10VSO with installation position 9-12
l, l
1
Highest drain port
h
min
Minimum required distance to
reservoir bottom (100 mm)
F
Filling/air bleeding
h
ES min
Minimum required height needed
to protect the axial piston unit from
draining (25 mm)
S
Suction port
h
S max
Permissible suction height (800 mm)
h
t min
Minimum required immersion depth
(200 mm)
SB
Baffle (baffle plate)
Port
F
is part of the external piping and must be provided on the customer side
to make filling and air bleeding easier.
Table 10: Above-reservoir installation
Installation position
Air bleed
Filling
9 (drive shaft horizontal)
F
l
(
F
)
10 (drive shaft up)
F
l
1
(
F
)
11 (drive shaft horizontal)
F
l
1
(
F
)
12 (drive shaft down)
F
l
(
F
)
