JLG X20J Plus Operator Manual - Manual (Page 136)

7.19 REPLACING /CHECKING EXTENSION ROPES
Respecting the times indicated in the Periodic maintenance table it is important to check wear
and replace any extension ropes, if necessary.
The operations described in this paragraph must be carried out by qualified staff. It is recom‑
mended to contact a JLG authorised centre to have the state of the pulleys and ropes by
expert. skilled staff.
A detailed procedure is given below for the execution of the control of the state of the ropes
and pulleys and for the check and any reset of the correct degree of rope tension.
NB: REMEMBER THAT ROPES AND PULLEYS MUST BE REPLACED BY A JLG
AUTHORISED CENTRE.
The Constructor is not liable for damage/injury caused to objects/persons/animals in the
case of incorrect assembly of the lifting systems by unqualified staff.
7.19.1 CHECKING WEAR AND DEFORMATION OF ROPES AND PULLEYS
If only one of the following situations is detected the ropes or pulleys must be replaced.
1. Check that there are no broken threads on the surface of the rope, in the internal area
or in correspondance with the cable socket.
2. Check that there are no signs of corrosion on the rope.
3. Check that there are no signs of kinking, crushing or deformations of any type on the
rope.
4. Check the condition of the fixing pins of the outlet pulley and extensions return..
5. Check the wear of the pulley grroving using a profile comparator. As indicated in the
figure it is necessary to check that the outline of the comparator coresponds with the
base of the grooving.
BOOM LIFT MODELS X20JPLUS
JLG
132 X20JPR0020413
IMPORTANTE WARNING