. SAFETY PRECAUTIONS FOR MAINTENANCE landslides, falling stop put 2 - 33 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE Stop th e machi ne on firm, level ground. Select a place where no hazard rocks, o r floodin Lower t he work the eng to the ground and After sto pping t he engine, o perate work equipment control lever (1) 2 to 3 time s fully to th e RAISE and LOWER positions to release the pre ssure insid e the hydraulic circuit, then set work equipm ent lock lever (2) to the LOCK position. Pul ake he LOCK blocks u nder th e fron t and the rea r of the tires. position, the