mecalac AS 50, Operating Instructions Manual

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S050/S051/Z050 8-9
Maintenance 8
8.2.8 Changing the back-flow suction filter
insert/suction strainer
CAUTION
Change the filter insert according to the maintenance plan
or when the clogging indicator lamp (4-8/23) lights up.
N O T E
The clogging indicator lamp may light up briefly after a cold
start but will go out when the hydraulic oil has reached its
operating temperature.
(1) Take out the rubber mats around the driver’s seat.
(2) Unscrew the six screws that fasten the seat plate
(8-16/arrows) to the left, right, front and rear.
(3) Push the driver’s seat into the lowest position (chapter
5.4).
(4) Tilt the driver’s seat against the steering wheel and
secure it in this position.
(5) Loosen the lid of the hydraulic oil filter (8-17/arrow) and
replace the filter cartridge by new ones.
CAUTION
The replaced hydraulic oil filter cartridge must be disposed
of in an environmentally friendly manner.
(6) Lock the lids of the hydraulic oil filter.
(7) Install driver’s seat and put back the rubber mat again.
8.2.9 Maintaining/replacing the air filter
N O T E
Maintenance of the filter cartridge is necessary when either
the red range is visible in the maintenance indicator (8-20/
arrow) or after 12 months, whichever is sooner.
(1) Open the engine cover.
(2) Loosen the two spring-loaded catches on the air filter
lid (8-18/arrow) and remove the air filter lid.
Figure 8-16
Figure 8-18
Figure 8-17