. SAFETY SAFETY MAINTENANCE INFORMATION 2 - 34 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE Stop the machine on firm, level ground. Select a place where there is no hazard of landslides, falling rocks, or flooding. Lower the work equipment completely to the ground and stop the engine. Turn the starting switch to the ON position. Operate the work Stop the m achine on firm, Select a pl rocks, or fl Lower the the engine. Turn the st equipment control lever ba ck and f orth, lef t and right at the full stroke 2 to 3 times to elimi nate the remain ing internal pr essure in the hydr aulic circuit, and then push up lock lever (1) to the tion (L).
LOCK posi Put blocks under the track to preve nt the m achine from moving. TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING To prevent pe rsonal injury, d o not car ry out m aintenance with the enginerunnin g. If maintenan cemust b e carrie d out with the engine running, carry out the operatio n with at least tw o workers an d do as follows. One worke r must always s it in the o perator 's seat and b e ready to stop the engine at an y time. kers aintain contact wit h the other work