Komatsu PC1250-11 Original Instructions Manual page 431

ATTACHMENTS AND OPTIONS
PROCEDURE FOR LOWERING STAIRWAY BY OPERATING FROM MACHINE
1.
Put the stairway lowering prevention chain (2) on the hook
on the stairway side if it is put on the hook on the machine
side.
2.
Keep pressing the stairway lowering switch (3) in the
switch box until the stairway automatically stops lowering.
REMARK
stairway can be lowered even when the engine is stopped.
The moving speed of the stairway when the engine is stop-
ped is slower than that when the engine is running.
PROCEDURE FOR STORING STAIRWAY BY OPERATING FROM MACHINE
1.
Press the stairway raising switch (4) in the switch box (1),
and raise the stairway.
REMARK
Stairway raising operation is available only while the en-
gine is running.
HANDLE THE HYDRAULICALLY OPERATED STAIRWAY
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