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Tightening torques
Table 12: Tightening torques for female threads and threaded plugs
Ports
Standard
Thread size
DIN 3852
M14 × 1.5
M16 × 1.5
M27 × 2
ISO 11926
7/16-20 UNF-2B
9/16-18 UNF-2B
3/4-16 UNF-2B
7/8-14 UNF-2B
1 1/16-12 UN-2B
1)
The tightening torques for the threaded plugs apply when the plugs are dry or lightly oiled.
2
The tightening torques for the threaded plugs apply when the plugs are dry – when lightly oiled, the tightening torques for M10 × 1 are
reduced to 10 Nm and to 17 Nm for M12 × 1.5.
Table 11: Ports A10VO, A10VSO, A10VNO, A10VSNO Series 52 and 53
Ports
1)
B
Working port
S
Suction port
l
Drain port
l
Drain port
1
l
Drain port
5)
2
X
Pilot pressure
The measuring system and thread size can be found in the installation drawing.
1)
2)
Momentary pressure peaks may occur depending on the application. Keep this in mind when
selecting measuring devices and fittings.
3)
O = Must be connected (plugged when delivered)
X = Plugged (in normal operation)
4)
Depending on the installation position, l, l
"Installation position" on page 26).
5)
Only Series 53.
The following tightening torques apply:
• Fittings:
Observe the manufacturer's specifications regarding the tightening torques of the
fittings used.
• Female threads in the axial piston unit:
The max. permissible tightening torques M
female threads and should not be exceeded. For values, see Table 12.
• Threaded plugs:
For the metallic threaded plugs supplied with the axial piston unit, the required
tightening torques of threaded plugs M
• Mounting bolts:
For mounting bolts with DIN 13 metric ISO threads or ASME B1.1 threads,
we recommend checking the tightening torque in individual cases in accordance
with VDI 2230.
Maximum permissible
tightening torque of female
threads M
G max
80 Nm
100 Nm
330 Nm
40 Nm
80 Nm
160 Nm
240 Nm
360 Nm
RE 92703-01-B/04.2018, A10VO, A10VSO, A10VNO, A10VSNO Series 52 and 53, Bosch Rexroth AG
p
[bar]
max
A10V(S)O
315
5
2
2
2
315
or l
must be connected (see chapter 7.3
1
2
are the maximum values for the
G max
apply. For values, see Table 12.
V
Required tightening torque of
threaded plugs M
V
35 Nm
1)
50 Nm
1)
135 Nm
1)
18 Nm
35 Nm
70 Nm
110 Nm
170 Nm
Installation
39/60
State
2)
3)
A10V(S)NO
250
O
5
O
2
O
4)
2
X
4)
2
X
4)
250
O
wAF hexagon socket of the
threaded plug
6 mm
8 mm
12 mm
3/16 in
1/4 in
5/16 in
3/8 in
9/16 in
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