User Manual IK 150 / 0031 e
© 1997 PAT GmbH · D-76275 Ettlingen · Hertzstr. 32 - 34 · ) ++49 (0) 7243 709-0 · FAX ++49 (0) 7243 709-222 · Email: pat.ettlingen@pat-gmbh.de 11
50 / 150 / 19_0031E.DOC / 19.03.1997 / Rev. C / rk.
This position by-passes the anti-two-block control lever lockout which does not in-
fluence the LMI system. The red warning light (5) and the audible alarm (13) for
approaching two-block condition will also come on at all times. The By-Pass Key
Switch is springloaded in order to return the switch to the neutral position. To acti-
vate the switch, it therefore has to be held manually during it's operation.
This is the neutral position to which the switch returns because of it's sprin-
gloaded mechanism. In this position, the by-pass switch is without influence to the
LMI and anti-two-block control lever lockout.
In this position, the by-pass key switch deactivates the control lever lockout func-
tion of the LMI. All other display, indicating and alarm functions, as well as the
control lever lockout function of the anti-two-block system will continue to work.
The by-pass switch is springloaded in order to return the switch to the neutral po-
sition. Therefore to activate the switch, it has to be held manually during it's opera-
(13) AUDIBLE ALARM
This element is the AUDIBLE ALARM, which sounds during the following conditions:
overload situation, approaching two-block condition, boom angle preset limits are reached, in case
of a malfunction of the LMI system and in case of an recognised operating error. The alarm can be
turned off temporarily by pushing the button (7).
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