. SAFETY PRECAUTIONS FOR MAINTENANCE 2 - 28 STOP ENGINE BEFORE CARRYING OUT INSPECTION AND MAINTENANCE Stop the machin e on firm , leve l ground. Select a place wher e th ere i s no hazard of landslides , or of flooding i f the land i s low Lower the dump body , se t dum p lev er (1) to the HOLD position, lock with safety l ock k nob (2), t hen s top the engine rak PARKING position and put blocks under the tires to p reve nt the machine f rom moving.