. SAFETY PRECAUTIONS FOR MAINTENANCE landslides, falling ground and stop tires. 2 - 35 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE Stop th e machine on firm, le vel ground. Select a place wher azar rocks, or flooding. Lower the wor the eng After st opping t he engine, op erate w ork e quipment contro l lever (1) 2 to 3 time s f ull y to the RAISE and LOWER position s to release the pressure inside t he hydraulic circuit, then set safety lock lev er (2) t o the L OCK p osition. Turn p arking b rake s witch (3 ) to the ON position and apply the parking an of the