Wacker Neuson Telehandler TH412 Operator's Manual page 209

Information
If a hydraulic system has to be opened immediately after
shutting down the machine, release the pressure in the
hydraulic system first!
The loader unit can be operated during a limited period of
time in case of engine malfunction.
► Immediately after identifying engine or hydraulic
malfunction, fully lower the loader unit and release the
residual pressure in the hydraulic system.
BA TH412 * 06/2017 * 4512_5-12_Notabsenkung_en.fm
Operation 5
5-83