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46
Maintenance
HC-10 NEXSTAR
General Repairs and Maintenance
Reference ASME B30.5 and OSHA 1910.180 for complete maintenance and repair
requirements.
All repairs and maintenance shall be performed by designated personnel only.
Establish a preventative maintenance program based on this section. Obtain all
replacement parts from your local authorized distributor.
Maintenance Precautions
1. Place crane where it will cause the least interference with other equipment or operations.
2. Verify all controls are in the OFF position and all operating features secured from inadvertent motion
by brakes, pawls, or other means.
3. The means for starting the crane shall be rendered inoperative.
4. The boom should be secured in place before maintenance.
5. Relieve hydraulic oil pressure from all hydraulic circuits before loosening or removing hydraulic
components.
6. WARNING or OUT OF ORDER signs shall be placed on all crane controls.
7. After adjustments and repairs have been made, the crane shall not be returned to service until all
guards have been reinstalled, trapped air removed from hydraulic system (if required), safety devices
reactivated, and maintenance equipment removed.
Adjustments and Repairs
1. Any hazardous conditions disclosed by the inspection requirement shall be corrected before operation
of crane is resumed.
2. Adjustments shall be maintained to assure correct of functioning of components, the following are
examples:
A. Function operating mechanism.
B. Safety devices.
C. Control systems.
3. Repairs or replacements shall be provided as needed for operation; the following are examples:
A. Critical parts of functional operating mechanisms which are cracked, broken, corroded, bent, or
excessively worn.
B. Critical parts of the crane structure which are cracked, bent, broke, or excessively corroded.
C. Crane hooks showing cracks, damage, or corrosion shall be taken out of service.
4. If bleeding the hydraulic system is required, run each crane function until smooth operation of that
particular function is noticeable.
Lubrication
All moving parts of the crane, for which lubrication is specified, should be regularly lubricated per the
manufacturer’s recommendations and procedures.
NOTICE
!
WARNING