Ropes Tension Adjustment Procedure - JLG X20JPLUS Operator, Safety, Maintenance And Service Manual

MAINTENANCE
• Use a dynamometric wrench to check the correct torque of al rope fixing nuts
and the respective rocker arms; recommended torque 10 Nm.
If the tension of the ropes should not be adequate the conditions for use must be
restored by scrupulously following the Ropes Tension Adjustment procedure re‐
ported below.
12.15.3.Ropes Tension Adjustment Procedure
1 Stabilise the machine on the flat.
2 Remove the cover in the rear part of the third boom.
3 Loosen the register counter‐nuts by a few turns, position them in a way to ac‐
cess the adjustment nuts in order to make the adjustment. (2 nuts with relative
counter‐nut for outlet ropes and one nut with relative counter‐nut for return
ropes rocker arm).
4 Completely retract both extendible arms and make them escape for about
30‐40cm.
5 Tighten the nut for the traction of the fixing rocker arm of the return ropes to
a torque of 10Nm.
6 Completely extend the extensions and retract them by about 30‐40cm.
7 Tighten the bolts of the two output cables so that the threaded terminals come
out of 65±3 mm from the rocker arm. During adjustment keep the ropes
blocked to prevent them turning with the nuts. Make use of the relevant seat
for the wrench on the cable socket.
170
Fig. 171 Return fixing ropes
Boom Lift Models X20JPLUS
MUX20JP021602