5 Maintenance
Maintenance schedule
– Check the electrolyte level as far as techni-
cally possible.
– Check the driving, accelerating, braking and
reversing functions of the traction controller
and pump controller.
– Check all connections and plug
s for secure
attachment.
– Check the condition of the contactors and
check for erosion; replace if necessary.
– Check the fuses for correct values and
condition.
NOTE
Battery maintenance is not part of the truck
maintenance and must be carried out in
accordance with the guidelines from the
respective battery manufacturer.
Hydraulic system
– Check the main lift cylinder for leakages and
function.
– Check the auxiliary lift cylinder for leakages
and function.
–Checktheoillevelint
he tank; top up if
necessary. Observe th
e correct oil grade as
per the lubricant tabl
e.
– Check all hydraulic screw joints for leak-
ages; tighten or replace if necessary.
– Check all lines and hoses for leakages.
– Check the condition o
f all lines and hoses
and check for pinch po
ints.
– Check the condition of the surfaces on all
hoses, e.g. porous areas.
– Check the replacement interval for the
hydraulic hoses. All hydraulic hoses must
be replaced after six years of use. To check
this, see the date stamp on the hose or the
crimping.
– Check the pump moto
r bearing for operat-
ing noise; replace
the bearing if necessary.
– Replace the hydraulics oil filter
88
5213 804 2501 EN - 01/2016
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