Bosch Rexroth Hagglunds DUc MS2 Installation & Maintenance Manual page 68

68/88 Hägglunds DUc Drive unit | Maintenance and repair
Bosch Rexroth AB, Version 06.2020, RE 15326-WA
When removing a filter element take some time to inspect and look for unusual
contamination within the pleats. Contact your Bosch Rexroth representative for
advice.
Duplex filter
1. Engage the switching lever and turn the lever to the other direction to change
flow direction in the filter housing, see Fig. 59.
2. Open the vent screw (do not unscrew it completely) at the switched off filter
3. side in order to reduce the pressure.
4. Loosen the drain plug under the filter bowl to empty from hydraulic fluid. When
empty - tighten the drain plug.
5. Open the lock ring for the filter bowl. Unscrew the bowl from the filter housing
counter clockwise and remove the bowl.
6. Change filter cartridge.
It is very important during the mounting not to expose the cartridge to any dirt
i.e. keep it in the plastic cover as long as possible.
7. Check the O-ring and the backup ring for damage. Change parts if necessary.
8. Mount the filter bowl. Tighten by hand to stop and back off 1/8:th of a turn.
9. Tighten the lock nut
Fig. 59: Duplex filter change
Table 21: Weight filter bowl
Filter size
Single/duplex filter 250 (25 bar)
Single/duplex filter 400 (25 bar)
Single/duplex filter 600 (25 bar)
Single/duplex filter 250 (210 bar)
Single/duplex filter 400 (210 bar)
Single/duplex filter 600 (210 bar)
Switching lever
In this position
you can change
this element
Weight bowl (dry)
Kg lb
1.5 3.31
2.0 4.41
9.0 19.84
9.0 19.84
14.0 30.86
17.5 38.58
Vent screw
DD00072849
Weight cartridge (dry)
Kg lb
0.7 1.54
1.1 2.43
1.4 3.09
0.7 1.54
1.1 2.43
1.4 3.09