. SAFETY SAFETY MAINTENANCE INFORMATION STOP ENGINE BEFORE CARRYING OUT MAINTENANCE 2 - 32 Stop the machin e on fi rm, le vel ground. Select a place where there is no hazar landslid es, or of floodin g if th e land i s low. Lower th ompletely the engi Turn the starting positi perate work equipme nt contr ol leve r back and fo rth, le ft an d right at th e full stroke 2 to 3 tim es to e limina te the r emaining i nternal pressure in t he h ydraulic circuit, hen (1) LOCK p osition ( Put bloc ks unde r the tr ack to preven t the machine from moving.