Bosch Rexroth WS200 Operating Instructions Manual page 73

1 Drain screw for hydraulic fluid
Fig. 52: Position of the drain screw
In the following, the recommended actions for exchanging the hydraulic fluid are described
Variant 1:
- for variant 1.
Open the cover cap of the filler neck, see fig. 42 (important for the ventilation).

Open the drain screw using a hexagon socket wrench of size 10 mm.

Completely drain the hydraulic fluid into the oil pan.
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Suck off the leaked hydraulic fluid using a suitable system and subsequently clean

the oil pan using suitable cleaning cloths. To do so, use suitable protective gloves.
Mount the drain screw.

In this connection, observe the tightening torque specified in fig. 52.
Fill in the new hydraulic fluid (information on the hydraulic fluid to be used is contained

in chap. 13). Also observe the information in chap. 8.3.
Close the filler neck by means of the cover cap.

In the following, the recommended actions for exchanging the hydraulic fluid are described
Variant 2:
- for variant 2.
Remove the hydraulic power unit in reverse order according to chap. 7.4.4.
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When disconnecting the hydraulic hoses observe that they still contain residual fluid.
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Keep a suitable oil collecting tank ready.
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Open the cover cap of the filler neck, see fig. 42 (important for the ventilation).

Open the drain screw using a hexagon socket wrench of size 10 mm. Make sure that

the leaking hydraulic fluid flows into the provided oil collecting tank.
Drain the hydraulic fluid completely.

Re-mount the drain screw.

In this connection, observe the tightening torque specified in fig. 52.
Re-install the hydraulic power unit according to chap. 7.4.4.

Fill in the new hydraulic fluid (information on the hydraulic fluid to be used is contained

in chap. 13). Also observe the information in chap. 8.3.
Close the filler neck by means of the cover cap.

Maintenance and repair
DCA_DE_000151/10-2013, WS200, Bosch Rexroth AG
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