D- Structural Inspection; E- Maintenance - JLG X20JPLUS Operator, Safety, Maintenance And Service Manual

MAINTENANCE
12.6.4.D‐ Structural inspection
A structural inspection is required to verify the structural soundness of critical
components of the aerial platform and must be performed:
1 10 years after the date of manufacture and every 5 years thereafter
2 After every accident that may actually, presumably, or potentially cause da‐
mage and affect the structural soundness or stability of the aerial platform.
Such accidents include short circuits, impacts, falls, collisions, or cases of over‐
stress or stability failure.
3 After a change of ownership, unless a complete service history is provided, in‐
cluding maintenance and inspection records.
The structural inspection must be carried out under the supervision of a profes‐
sional engineer.
This inspection must:
1 Consider the service history of the aerial platform in terms of hours of service,
severity of use, and number and variability of users;
2 Review the inspection and maintenance record of the aerial platform;
3 Verify the efficiency of all operating controls;
4 Perform a visual inspection of the aerial platform;
5 Consider recommendations of the manufacturer regarding the aerial pla‐
tform, including manufacturerʹs safety bulletins.
12.6.5.E‐ Maintenance
Before adjustments and repairs are started on the aerial platform, the following
precautions must be taken:
1 The power system must be stopped, and the starting devices must be rende‐
red inoperative;
2 All controls must be in the OFF position and all operating systems must be se‐
cured against accidental activation by brakes, chocks or other means;
3 Elevating and rotating assembly and platform must be completely lowered, if
possible, or otherwise secured by blocking or propping;
4 The hydraulic oil pressure must be released from all hydraulic circuits before
loosening or removing hydraulic components;
5 Safety props or latches must be installed where applicable;
6 Other precautions must be adopted as specified in the user and operation ma‐
nual.
154 Boom Lift Models X20JPLUS
MUX20JP021602