Komatsu — 3.2.3 HYDRAULICALLY OPERATED ACCESS LADDER

OPERATION 3.2 CONSTRUCTION OF THE SHOVEL Operating the hydraulic Access Ladder, illust. (Z23077) Raise the ladder Enter the Shovel with ladder in fully lowered position (A). Start the engine. For starting procedure See "STARTING THE ENGINE" on page 170. Go back to the ladder control switch (4B). Raise the ladder by pressing button (5) until the ladder is in fully lifted position (B). Lowering the ladder The ladder can be lowered with the engine running or with the engine at standstill. For stopping the engine See "STOPPING THE ENGINE" on page 202. Lower the ladder by pressing push button (6).

With the engine at standstill, it can be necessary to push the ladder slightly 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 (11) of access ladder for correct func- tion after every 50 operating hours or once a week. Refer to Maintenance Section 4, for checking procedure. 49 WARNING WARNING