Maintenance and repair 53/68
RE 92004-01-B/05.2017, A4VG Series 40,
Bosch Rexroth AG
10.3.1 Changing the filter element
The following describes how to change the filter element in versions with an
attachment filter.
1
2
3
4
Fig. 15: Changing the filter element of an attachment filter
1
Filter head
2
O-ring
3
Filter element
4
Filter housing
To replace the filter element and the filter housing seal:
1.
Loosen and remove the filter housing (
4
) from the filter head (
1
) by turning
counterclockwise (external hexagon WAF: 24 mm).
2.
Withdraw the used filter element (
3
) from the filter housing (
4
).
3.
Check the filter head (
1
) and filter housing (
4
) for damage, wear and
contamination.
4.
Insert the new filter element (
3
) into the filter housing (
4
).
5.
Check the O-ring (
2
) and O-ring groove for damage, wear and contamination.
6.
If required, replace the O-ring (
2
). Lightly grease the O-ring (
2
).
7.
Screw the filter housing (
4
) onto the filter head (
1
).
8.
Tighten the filter housing (
4
) with 45 Nm.
10.4 Repair
Bosch Rexroth offers a comprehensive range of services for the repair of Rexroth
axial piston units.
Repairs on the axial piston unit and its assembled parts may only be performed
by service centers certified by Bosch Rexroth.
▶
Use exclusively original spare parts from Rexroth to repair the Rexroth axial
piston units, otherwise the functional reliability of the axial piston unit cannot
be assured and the warranty is void.
In the event of questions regarding repairs, contact your responsible Bosch Rexroth
service partner or the service department of the manufacturer's plant for the axial
piston unit, see chapter 10.5 “Spare parts” on page 54.
Procedure
