7.4.5 Changing hydraulic uid
Draining hydraulic uid
WARNING
Danger of scalding from hot hydraulic uid.
Danger of scalding.
►
Please note that hydraulic uid remains very hot even a long time after switching off.
►
Allow the complete system to cool down before carrying out any work.
►
Avoid skin contact with hot hydraulic uid.
DAMAGE
►
Do not release hydraulic uid into the environment.
►
Collect cleaning, operating and lubrication uids and consumable materials in suitable containers
and dispose of them according to local regulations.
Draining
Draining hydraulic uid
Keep a vessel handy to catch the expended hydraulic uid.
The vessel needs to be big enough to catch all the uid.
1. Depressurise the hydraulic system.
2. Unscrew and remove the ller and breather lter.
3. Optional: Remove and check the silica gel lter, replace it if
necessary.
4. Drain the used hydraulic uid.
through hydraulic uid drain screw
1. Undo the drain screw on the product.
2. Drain the expended hydraulic uid into a separate vessel.
3. Screw the drain screw back in again (tightening torque: 9
Nm).
through hydraulic uid drain hose (1)
1. Open the drain valve (2) on the drain hose (1).
2. Drain the expended hydraulic uid into a separate vessel.
3. Close the drain valve (2) again
Filling hydraulic uid
DAMAGE
Dirt must not enter the product
Otherwise, the product may suffer damage
►
Always ll hydraulic uid via the system lter or a mobile lter station.
►
Observe the recommended cleanliness class for the hydraulic uid.
►
Keep all pipes, hose lines, ttings and couplings clean.
►
Carry out all work in a clean environment.
►
Clean hands and clothing before working.
50/61
B 8010 - 04-2021 - 1.0
HAWE Hydraulik SE
