• W
ait long enough for the hydraulic oil to cool
down. Then change the hydraulic oil.
1. Park the machine on a firm, flat, and level surface.
2. Lower the lift arms to the ground, and stop the
engine.
3. Remove
the cover with drain plug in front of the
machine, and drain the hydraulic oil.
(1) Drain plug (2) Cover
4. Loosen the bolt, and remove the tank cover.
5.
Remove the suction filter and replace with new one.
6. Loosen the set bolt first. Then remove the return
filter and replace with new one.
7. Install the hydraulic cover.
8. Retighten the drain plug.
(1) Breather filter
(2)
Bolt
(3) Cover
(4) Set bolt
(5) Return filter
(6) Filter stopper
(7) Suction filter
9. Fill
the hydraulic oil through the oil-filling-plug
opening on the top side of the tank pipe.
10. Let the engine run, and operate the lift arm and the
bucket.
11. Then lower the lift arms slowly to the ground, and
stop the engine.
12. Fill the hydraulic oil again up to the center of the
gauge.
Hydraulic oil volumes
Hydraulic tank 20 L
Whole oil volumes 48 L
13. Tighten the oil-filling-plug.
2. Hydraulic oil check with the
hydraulic hammers
Changing the hydraulic oil after 1000 operating hours in
the
operator's manual is based on normal work. The
following inspection measures are valid when using the
hydraulic hammers.
• Changing and filling up of the hydraulic oil
– Change the hydraulic oil more often when using
the hydraulic hammers because the machine is
subject to harder conditions than normal work.
– Use only the recommended hydraulic oils that
are mentioned in the operator's manual when
changing or filling with the hydraulic oil.
– When adding the hydraulic oil, do not mix oils of
different makes
• Changing the return filter and the hydraulic oil
– Change the return filter more often because of
contamination resulting from the frequent
assembly and disassembly of the hoses.
– Use the correct replacement filter.
– Change oil according to operating hours.
EVERY 1000 SERVICE HOURS MAINTENANCE
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