. SAFETY SAFETY MAINTENANCE INFORMATION STOP ENGINE BEFORE CARRYING OUT MAINTENANCE 2 - 34 Stop the machine on firm, lev el ground. Select a place where azar rocks, o r flooding. Lower th e work the engi Turn the switch position. equipme nt contro l lever back and f orth, l eft a nd right a t the full stroke 2 to 3 time s to elimina te the remaining internal p ressure in the hy draulic circuit , and th en mov e loc k lever (1) to th e LOCK position Put bloc ks under t he t rack to preven t the machine from moving.