Installation Position; Below-Reservoir Installation (Standard) - Bosch REXROTH A4 Series Instruction Manual

42/104 Installation
1
SB
h
t min
h
min
R(L)
Einschraubloch M22
M10 (x1.5)
M16 (x2) M16 (x2)
M8 (x1.25)
M16 (x2) M16 (x2)
K
T S
1, 2
Bosch Rexroth AG, A4... with HS5E pilot control valve/Series 3x, RE 92076-01-B/10.2017

7.3 Installation position

The following installation positions are permissible. The pipeline routing shown
illustrates the basic layout.

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.
2
h
t min
h
min
K
T
1, 2
M 8 ( x 1 . 2 5 )
R(L)
Fig. 12: Below-reservoir installation of A4VSO with installation position 1-3
T, R(L)
Highest drain port
S
Suction port
SB
Baffle (baffle plate)
Table 10: Below-reservoir installation
Installation position
1 (drive shaft horizontal)
2 (drive shaft horizontal)
3 (drive shaft vertically downward)
SB
R(L)
S
M 1 6 ( x 2 ) M 1 6 ( x 2 )
M 1 6 ( x 2 ) M 1 6 ( x 2 )
M 1 0 ( x 1 . 5 )
E i n s c h r a u b l o c h M 2 2
h
t min
h
min
Air bleed
R(L)
T
T
3
SB
h
t min
h
min
T
K
1, 2
S
Minimum required immersion depth
(200 mm)
Minimum required distance to
reservoir bottom (100 mm)
Filling
R(L)
T
T