JLG X23J Operator Manual - Manual (Page 154)

BOOM LIFT MODELS X23J
JLG
150 X23JR0620113
7.21 F
IVE
‑
YEARLY INSPECTION
The replacement of the cables and pulleys is advisable every 5 years, even in shorter time
according to the working hours.
Further inspections of the extension system are required in the following situations:
• Machine exposed to extreme environmental conditions (for example low temperatures,
sea environments, etc.).
• Incorrect movement of the arms or noises caused by the movement of the extensions.
• Unused machine for long periods.
• Overloaded machine or subject to collisions.
• Machine subject to short circuit, the ropes could be damaged internally.
Remember that in all cases the Constructor envisions a mandatory check of the entire
machine, including ropes and pulleys, every 1000 hours of use, which must be performed
at a JLG certified assistance centre.
A
FTER HAVING CARRIED OUT ANY MAINTENANCE INTERVENTION
,
BEFORE ALLOWING AN OPERATOR
TO USE THE MACHINE TO ASCEND TO HEIGHT IT S COMPULSORY TO CARRY OUT ALLM ACHINE MOVE ‑
MENTS FROM THE GROUND IN ORDER TO CHECK THE CORRECT FUNCTIONING OF THE HYDRAULIC
AND ELECTRICAL PARTS . C HECK THE FUNCTIONING OF ALL SAFETY DEVICESAND THEIR CORRECT
SIGNALLING ON THE MACHINE REMOTE CONTROL
. M
OREOVER
,
AFTER HAVING CARRIED OUT A
SERIES OF MOVEMENTS
,
RE
‑
CONTRL THE BALANCE AND THE DEGREE OF TENSION OF THE ROPES AND
THE EXTENSION OF THE EXTENSIONS .
ONLY AT THIS POINT IS THE MACHINE READY FOR USE.
7.22 C HECKING WEAR OF THE TELESCOPIC ARM SLIDE BLOCKS
‑ Visually check play of the extension arm.
‑ In case the play exceeds 3 mm it is necessary to operate on the plastic registers screwing
them in order to lean to the arm in case of the upper ones, or bringing them to 1 mm
circa in case of the lower ones. Check the support and the correct distance, slipping off
and closing the arm completely.
‑ The slide blocks must be replaced at a JLG authorised workshop.
ATTENZIONE ATTENTION