5 Maintenance
Hydraulics
¾ Open the bonnet.
¾ Unscrew the filter (1) for the hydraulic oil
tank from the filler neck.
¾ Remove the dipstick (2) from the b
reather
and attach it to the new filter.
¾ Screw in the filter and tighten it.
¾ Mount the side maintenance cover.
¾ Close the bonnet.
Check correct opera
tion of breather
valve on the hydrau
lic oil tank
NOTE
The breather filte
r on the hydraulic oil tank is
fitted with a breat
her valve, which causes the
tank to be at a sligh
t positive pressure.
ENVIRONMENT NOTE
Observe information about working with con-
sumables.
¾ Close the breathe
r filter (1) and check
whether the breat
her filter is seated cor-
rectly.
¾ Start the engine.
¾ Extend lift mast several times to the stop
and let it return.
¾ Switch off the engi
ne. Open the breather
filter (1) on the hy
draulic oil tank.
Air must be heard to escape from the tank. If
no noise of air escaping is audible, replace the
breather filter.
172 Operating Instructions – 393 807 1001 EN – 08/2008
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