147
To change the hydraulic oil:
Lower the tail lift so that the platform touches the ground
(see chapter “Operating Elements” from p. 42).
For the slide-in unit:
Draw out the hydraulic unit so that the valve block (51) is
positioned outside the block (see chapter “Checking the Oil
Level” from p. 141).
For the box-type, universal or reversible unit:
Remove the cover from the unit.
Place a sufficiently large vessel under the oil drain
plug (47).
Loosen the oil drain plug (47) using a 6 mm hex socket
wrench and drain the oil into the vessel.
If the hydraulic oil is extremely contaminated you must clean
the hydraulic oil reservoir (48):
Loosen the clamp between the hydraulic oil reservoir (48)
and the valve block (51).
Drain the oil.
Pull off the hydraulic oil reservoir (48) from the unit and
clean it outside the hydraulic unit.
Also renew the suction filter in the oil reservoir (49) and the
breather filter (50).
Install the cleaned hydraulic oil reservoir into the unit and
reinstall the oil drain plug (47).
Fill oil according to the marking at the oil reservoir or dip
stick.
Note: Exclusively use oils listed in the chapter “Lubricants and
Operating Media” from p. 188.
After filling the oil reservoir, run the equipment through two
full working cycles.
Check the oil level (see chapter “Checking the Oil Level”
from p. 141) and refill or drain oil as required.
For the slide-in unit:
Push the hydraulic unit back into the support tube and fas-
ten it.
For the box-type, universal or reversible unit:
Re-install the cover of the unit.
Dispose of the waste oil according the regulations.
47
Betriebsanleitung_Hubladebuehnen_EN.book Seite 147 Donnerstag, 15. August 2019 4:04 16
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