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Komatsu 15045 - Page 53

Komatsu 15045
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OPERATION 3.2 CONSTRUCTION OF THE SHOVEL
53
Emergency Engine Shutdown System actuated
from Ground Man (Special Equipment)
Legend for illust. Z25499
CAUTION
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 certain engine parts
rising sharply after the cooling system ceases to function.
The resulting thermal stress, especially in the turbochargers,
may cause serious damage.
Operator Warning System (Special Equipment)
This system is used to inform the Operator that someone wants to
enter the Shovel or to draw the Operator’s attention to special cir-
cumstances requiring his action.
Legend for illust. (Z25499):
As soon as a chain (1) is being pulled down, the above message
will be displayed informing the Operator that someone wants his
attention. In such a case, the Operator should stop work until he
has received the ground man’s request.
(1) Actuating chains for emergency shut down of both
engines. To stop the engines, pull down one of the
chains (1).
(2) Actuating chain for hydraulically operated service
arm.
(3) ECS display on the instrument panel in the Opera-
tor’s cab. When one of the chains (1) is being pulled
down from ground man, both engines will be
stopped and the following message will be displayed
on the ECS screen (3):
Engine shut down has been actuated from
ground man.
(1) Actuating chains for pull switches of the Operator
warning system
(2) Actuating chain for hydraulically operated service
arm.
(3) ECS display on the instrument panel in the Opera-
tor’s cab. When one of the chains (1) is being pulled
down the following message will be displayed on the
ECS screen (3):
Warning: Pull switch from ground man actuated.

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