OPERATION 3.2 CONSTRUCTION OF THE SHOVEL Legend for illustration Z25190 (1) Guide wheel (2) Crawler carrier (3) Track roller (4) Carrier roller (5) Final drive (6) Swing circle (7) Swing gear RH (8) Hydraulically operated access ladder, see page 48 for more information (9) Light switch for access area lighting (10) Control switch for access ladder (11) Emergency shut down switch for both engines Never stop the engines from a full load except in case of emergency. If a hot engine is shut down without previous idling period of three to five minutes, the temperature in cer- tain engine parts rising sharply after the cooling system ceases to function.
The resulting thermal stress, especially in the turbochargers, may cause serious damage. (12) Machinery house door (13) Cab base door (14) Emergency escape ladder on cab platform, see page 52 for more information (15) Air cleaner for operator’s cab (16) Radiator grille of front engine, (Engine number 1) (17) Radiator grille of rear engine, (Engine number 2) (18) Operator’s cab with integrated FOPS, see page 62 for more information (19) Sliding window serves also for emergency escape, see page 52 for more information 41 CAUTION CAUTION