Maintenance and repair 43/56
RE 25880-B/10.18, DBA...1X/...E, Bosch Rexroth AG
10.3.1 Mounting screws for connection of main housing to attached valve
elements at type DBAW...1X/...E
During exchange of the seals between main housings and attached valve elements,
the mounting screws of the attached valve elements have to be loosened.
Regarding the re-assembly after seal exchange, please note that for the assembly,
you may only use the original mounting screws or screws of the specification given in
table 20. Observe the specified tightening torque!
Table 20: Mounting screws for connection of main housing to attached valve elements at type
DBAW...1X/...E
Valve type
Screw type,
Tightening torque M
A
1)
DBAW...1X/...6E...E
4 hexagon socket head cap screws,
ISO 4762 - M5 x 50-10.9
M
A
= 7 ± 0.7 Nm
1)2)
DBAW...1X/...6SM...E
4 hexagon socket head cap screws,
ISO 4762 - M5 x 85-10.9
M
A
= 7 ± 0.7 Nm
1)2)
DBA.R..1X/...E
2 cheese head screws,
ISO 1580 - M4 x 10-4.8
M
A
= hand-tight
1)
Friction coefficient µ = 0.09 to 0.14
2)
Tighten using a manual torque wrench with accuracy ± 10%
10.4 Spare parts
When ordering spare parts, please indicate their material numbers.
Table 21: Seal kit for the valve connection surface
Valve type
NBR
FKM
DBA...1X/...E
R961005172
R961005173
The spare parts are available from the address specified in chapter 14.2 "List of
addresses".
Seal kit for the valve
connection surface
