PAT DS 350 / 1319 Graphic, Руководство оператора

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Operator's Manual DS 350 / 1319
© PAT Rev. 8 05/19/03 191319_8.DOC
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6 PRE-OPERATION INSPECTION AND CALIBRATION VERIFICATION
Before operating the crane, the following electrical connections must be checked to ensure that the
system is properly connected for the crane configuration.
6.1 MACHINES WITH ONLY A MAIN HOIST
If the crane works only with the boom and without boom extension, no additional connections are
necessary. However, be sure the weight of the anti two-block switch is properly installed on the main
hoist load line. With even parts of hoisting line, the weight shall be attached to the dead-end line. With
odd parts of hoisting line, the weight must be attached to the line of lowest speed.
If the crane works with boom extension, the connecting cable shall be installed between the junction
box on the boom extension and the boom junction box. The weight attached to the main hoist anti two-
block switch shall be removed. In that case the anti two-block switch has to be locked with the red Anti
Two-Block Retainer, which is fixed with a red lanyard at the anti two-block switch (described on pages
40 and 41). Then the weight shall be reattached to the boom extension anti two-block switch.
Failure to re-position the anti two-block switch weight will prevent the overhoist system
from functioning properly. No weight shall be on the main hoist anti two-block switch when
the boom extension is being used.
6.2 MACHINES WITH MAIN AND AUXILIARY HOISTS
If the boom extension is not in the operating position, the by-pass plug shall be installed in the main
boom junction box. The weight of the main hoist anti two-block switch shall be installed.
If the boom extension is in the operating position, the connecting cable shall be installed between the
junction boxes on the boom extension and the main boom. Weights shall also be attached to the anti
two-block switches on both the main boom and boom extension.
If the boom extension is in the operating position and no load line is being used on main boom, to
prevent injury or damage to equipment, the weight shall be removed from main boom switch. In that
case the anti two-block switch has to be locked with the red Anti Two-Block Retainer, which is fixed
with a red lanyard (not shown) at the anti two-block switch.