BoschRexrothAG, RE91405-01-B/2021-05-21
26/52 A2FO series 70 | Installation
7�3 Installation position
The following installation positions are permissible. The pipeline routing shown
illustrates the basic layout.
Port F
is part of the external piping and must be provided on the customer side to
make filling and air bleeding easier.
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 position: 1 and 2.
1 2 3 4
S
T
1
h
t min
h
min
SB
F
SB
h
t min
h
min
S
T
2
F
h
t min
h
min
SB
S
T
1
F
h
t min
h
min
SB
S
T
2
F
R
Fig� 7: Below-reservoir installation A2FO with installation positions 1–4
T
1
, T
2
Drain port
R Air bleed port
F Filling/air bleeding
S Suction port
h
t min
Minimum required immersion depth
(200 mm)
h
min
Minimum required distance to
reservoir bottom (100mm)
SB Baffle (baffle plate)
Table 8: Below-reservoir installation
Installation position Air bleed Filling
1 (drive shaft horizontal) F T
1
2 (drive shaft horizontal) F T
2
3 (drive shaft vertically down) F T
1
4 (drive shaft vertically up) R T
2