ahlmann AS 150, Operating Instructions Manual, Page: 72 / 113

S150/S151/S152/Z152 8-11
Maintenance 8
8.2.10 Oil change hydraulics
(1) Open the engine hood.
(2) Ensure that an oil spill tray is available (for size refer
to section Kapitel 11.11).
(3) Remove the inspection plate for the oil drain plug
(8-22/arrow).
(4) Attach the drainage nozzle with hose from the tool
case (4-1/13) to the oil drain plug.
(5) Remove the cover cap from the hose.
(6) Allow the oil to drain into the spill tray.
ATTENTION
Dispose of waste oil in an environmentally friendly
way!
(7) Screw the cap back on the hose and remove the
drainage nozzle with hose.
(8) Replace the inspection plate and tighten the oil drain
plug.
(9) Change the hydraulic oil filter media (section 8.2.11).
(10) Top with oil via plug bore (8-23/arrow).
ATTENTION
Equipment using biodegradable hydraulic oil (ester
based synthetic hydraulic oil - viscosity class
ISO VG 46 VI > 180) - (refer to the label on the
hydraulic oil reservoir and on the dashboard) need
to use the same replacement oil type.
Do not mix mineral and biodegradable hydraulic
oils!
Biodegradable hydraulic oil must be change every
1000 operating hours .
Follow the migration guidelines VDMA 24 569
when moving from mineral based to biodegradable
hydraulic oil grade!
(11) Check the oil fill-level in the oil fill-level inspection
glass (8-24/Pfeil).
NOTE
- Ensure that the loader arm has been lowered
to the ground.
- Ensure that the quick coupler assembly has
been tipped, and that the locking bolts have
been moved to lock position using the auxiliary
hydraulics lever (4-6/5).
- The oil fill-level must be in the top quarter of
the inspection glass.
(12) Use specialized tool (hook wrench) to move the filling
nozzle.
Fig. 8-22
Fig. 8-24
Fig. 8-23
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