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3.17 CRANE OPERATION POSTURE
To start the crane operation, following "Operation 3.16 Preparation
for Crane Operation", set to the crane operation posture as below:
1. Operate the right work equipment control lever to HOOK
RAISING position (pull backward) so that the hook block (4) is
hoisted.
Here, take care not to over-hoist the hook block.
Over-hoisting will cause Over-hoisting warning situation.
2. Operate the right work equipment control lever to BOOM
LOWER position (push right) so that the boom (4) is lowered.
Be careful not to over lower the hook block to avoid it laying on
the ground.
3. Repeat the practices of 1. and 2. above alternately, so that the
crane posture is as shown in the figure in the right.