STT113 TOWER CRANE OPERATION AND SERVICE MANUAL
10B-5
tower crane
》
》
》
》
;
b.
Types of tower crane and it working environment;
c.
Working level of tower crane;
d.
The results of the tests before and the defects found.
e.
Working time of the wire rope since its initial use.
Ensure that the wire rope of the tower crane is inspected at least once a week.
After an accident or before putting into service again after dismounting,
inspect the wire rope thoroughly .
. Inspection places
Ⅴ
Ⅴ
Ⅴ
Ⅴ
1. General Inspecting places
Pay special attention to the following places although a thorough inspection on
the whole length of the wire rope should also be made.
a.
The places with rope running and two fixed ends of the rope.
b.
The rope sections reeling through the pulley block. Pay special attention to all the
places reeving through pulleys during the hoisting when the mechanism effect
repeated operation.
c.
The rope sections located in the balancing pulley.
d.
The rope sections that can be worn due to external factors.
e.
Internal
inspection for caustic and fatigues. The inspection results should be
recorded on the equipment inspection notebook.
2. Inspecting places on drum: (See Fig.10-5-1)
a) Check the terminal places of the wire rope on the drum.
b) Check for distortion and abrasion caused by unqualified winder, especially at the
places with wire rope superposing and skipping.
