OPERATION 3.2 CONSTRUCTION OF THE SHOVEL Operating the hydraulic Access Ladder, illust. (Z26253) Raise the ladder Enter the Shovel with ladder in fully lowered position (A). Start the engine. For starting procedure See "STARTING THE ENGINES" on page 174. Go back to the ladder control switch (S84) at the machinery house. Raise the ladder by turning switch (S84) to the left (arrow up) and hold until the ladder contacts the stop bar (C) in position (B). Lowering the ladder Stop the engine. For stopping procedure See "STOPPING THE ENGINES" on page 206. Lower the ladder by turning switch (S84) to the right (arrow down) and hold until the ladder is completely lowered.
If necessary, slightly push the ladder until it starts moving down by its own weight. Make sure the moving range of the ladder is clear of all persons before lowering the ladder. Enter the ladder only after the ladder is in fully lowered position (A). NOTICE Check safety sensor of access ladder for correct function after every 50 operating hours or once a week. Refer to Main- tenance Section 4, for checking procedure. 49 WARNING WARNING