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User Manual IK 150 / 0031 e
© 1997 PAT GmbH · D-76275 Ettlingen · Hertzstr. 32 - 34 ·
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++49 (0) 7243 709-0 · FAX ++49 (0) 7243 709-222 · Email: [email protected]
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50 / 150 / 19_0031E.DOC / 19.03.1997 / Rev. C / rk.
(3)
OPERATING CODE SWITCH
The operating code switch is used to set the load moment indicator (LMI) to the operating configura-
tion of the crane.
Caution
The correct setting is of utmost importance for the proper function of the system and the
crane. Therefore only operators who are thoroughly familiar with crane load capacity charts
and the use and operation of the system shall set the operating code switch. To set the op-
erating mode, the operator has to adjust the operating code switch to a code number which
is printed in the load chart in accordance with the actual crane configuration.
(4)
REEVING SWITCH
The REEVING SWITCH (4) provides the load moment indicator with information regarding the num-
ber of falls (parts of line) used to reeve the hook block. The switch has 16 positions which are shown
under the window of the control knob when it is turned. The operator has to set the reeving switch to
the actual number of falls (parts of line) being used.
Caution
The correct setting is of utmost importance for the proper function of the system and the
crane.
(5)
ANTI-TWO-BLOCK WARNING LIGHT
The red ANTI-TWO-BLOCK WARNING LIGHT (5) will light up when the anti-two-block limit switch
contacts open, indicating that a two-blocking condition is approaching. At the same time the audible
alarm will sound. The following crane movements will be stopped subsequently: hoist up, telescope
out, boom down.
The term "two block" is a crane term which refers to a condition when the load handling device
comes into contact with the boom head. This condition, if not prevented, may cause the wire rope to
break, allowing the load to fall. Two blocking can be caused by raising the load into the boom head
or lowering the boom without paying out hoist line.
(6)
PREWARNING LIGHT