STT113 TOWER CRANE OPERATION AND SERVICE MANUAL
10B-12
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Equipment condition for Relevant rope
Should periodic check the enwind drum and pulley in order to make these parts well
running on bearing. Dig or locked pulley or turn part arouse rapid aggregative wear
out and uneven so result in the rope serious abrasion. All radiuses for pulley bottom
of slot and nominal diameter of rope are on speaking terms. In order to assure the
rope normal operation in pulley groove in any position and setting device prevent
the rope escape from grooves.
Notice in particular
●Forbid the rope after insert and joint use to the mechanical drive when it worn
out.
●Don’t allow the rope distort in any condition which can damage the rope safety
and service life.
●Process the eye survey inspection for overall length of rope each three month.
●Replacing the rope in time if found following:
- breaking down.
- the rope diameter reduce by erosion and wear out.(If it is not breaking off)
- Proceed distort, crush, fold, knot or other damage.
- Twist distortion.
- If the rope has dryness and oxidation symptom suggest using the RC oil
lubricate slightly. If it disuse long time should protect with lubricating
grease.
●take down the old rope
- Put down the pulley block and set it at fixing support
- Loose the rope from fixing end.
- Set out the rope from the drum
- Take out the rope double clamping head and unscrew the rope single
clamping head but don’t take down the single clamping head.
