. SAFETY PRECAUTIONS FOR MAINTENANCE STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE 2 - 29 Lower the work equipment c ompletely to the ground and stop the engine before performing any inspection a nd maintenance. Turn tarting work equipmen t contro l lever to th e RAISE and LOWER position 2 or 3 times re hydraulic equipmen peatedly to r circuit, then t lock lever (2) elea set p to t se the r arking he LOCK Put blocks under the track to prevent the machine from moving.