OPERATION 3.2 CONSTRUCTION OF THE SHOVEL Legend for illustration Z25473 (1) Hydraulically operated access ladder, see page 50 for more information. (2) Battery main switches NOTICE After switching OFF the main key switch in the Operator’s cab, wait at least 3 minutes before switching OFF the battery main switches. The Vehicle Health Monitoring System (VHMS) needs this period for saving data. If batteries are switched OFF before this time period is over, data will be lost. (3) Lift cylinder for access ladder (4) Location of batteries below the catwalk (5) Control switch for access ladder (6) Emergency engine shut down switch Never stop the engine 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 tempera- ture in certain engine parts rising sharply after the cooling system ceases to function. The resulting thermal stress, especially in the turbochargers, may cause serious damage. (7) Fuel tank (8) Cab base, contains the electronic components of the VHMS system and the electrical switch boards. (9) Sliding window of operator’s cab, see page 54 for more information (10) Swing circle guard (11) Emergency escape ladder, see page 54 for more information.
(12) Engine air cleaners (13) Exhaust mufflers (14) Air duct (15) Extinguishing agent tank assemblies, only on machines equipped with a fire detection, actuation and suppression system. 41 CAUTION CAUTION