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4. Set lock lever (3) slowly to the FREE position (F).
5. For details of the before starting operation of the crane, see
“Operation 3.16 Operation of Before Crane Operations” and
“Operation 3.17 Crane Operation Posture”.
6. Turn fuel control dial „4) to a point midway between low idling
(MIN) and full speed (MAX).
7. Operate right work equipment control lever (5) slowly to LOWER
side (push toward outside). Operate the lever to the stroke end
and hold it in position for 30 seconds.
During that task, operate the right work equipment control lever
(5) to HOOK RAISING (pull backward) position and raise the
hook adequately so that it does not touch the ground.
8. Operate right work equipment control lever (5) slowly to RAISE
side (pull toward you). Operate the lever to the stroke end and
hold it in position for 30 seconds.
During that task, operate the Right work equipment control lever
(5) to HOOK LOWERING (push forward) position and lower the
hook adequately to avoid over-winding condition.
9. Operate left work equipment control lever (6) slowly to EXTEND
side (push forward). Operate the lever to the stroke end and hold
it in position for 30 seconds.
During that task, operate the Right work equipment control lever
(5) to HOOK LOWERING (push forward) position and lower the
hook adequately to avoid over-winding condition.
10. Operate left work equipment control lever (6) slowly to
RETRACT side (pull backward). Operate the lever to the stroke
end and hold it in position for 30 seconds.
During that task, operate the Right work equipment control lever
(5) to WINDING (pull backward) position and raise the hook
adequately so that it does not touch the ground.
11. Repeat the operation in Steps 7 to 10 for 5 minutes.
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