. SAFETY PRECAUTIONS FOR MAINTENANCE STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE 2 - 30 Lower the work equipment complete ly to the g round and stop the engine befor e performin g any i nspection an d maintenance. tarting perate equipment contro l lever to t he RAISE and LOW ER positio n 2 or 3 time s re peatedly t ase the emaining pressure i n the hydraulic equipment Check tha circuit, lock l t the rake leve position ( and mai conducted. (Wai engine starting s t for appro witch key a x. one minute nd press the h after orn sw turning o itch. If the ff the horn does n ot s ound, it is not act ivated. Put blocks under the track t o prevent the machi ne from m oving.