22.7 After every 1000 working hours or after every
working year
Perform:
Washing, Function Testing, Testing according to the
capacity plates
Check:
Identification plates, Capacity plates
Checklist
in accordance with ISO 9927-1
Element
Checks to be carried out:
Subframe
Tightening torque of the fixing rods, wear
Structure and fixing rods
and any deformation, actions
For crane with rack:
Base
Lubrication, tightening torque of the rods,
Rack group, compensator
wear and any deformation, actions
For crane with slew ring:
Base
Lubrication, tightening torque of the screws
Slew ring group, compensator
wear and any deformation, actions
Outriggers
Greasing of extension supports, oil-leaks,
Supports, rams, base plates
wear, actions, inspection of hoses
safety catches, hoses
Rotation cylinders
Oil-leaks, chromium plating,
Cylinders, pistons, seals,
any deformation, inspection of hoses
Column
Lubrication, wear and any deformation, actions
Inner boom connection, outrigger
connection, pins, bushes
Inner boom
Lubrication, wear and any deformation,
Pins, outrigger connections
actions
Inner ram
Oil-leaks, chromium plating,
Cylinder, rod, piston, seals, hoses
any deformation, inspection of hoses
Outer boom
Lubrication, wear and any deformation, actions
Pins, outrigger connections
Outer ram
Oil-leaks, chromium plating, strains,
Cylinder, rod, piston, seals, hoses
inspection of hoses
Extension booms
Lubrication, wear and any deformation, actions
Guide shoes, pins, outrigger connections
Extension rams
Oil-leaks, chromium plating,
Cylinder, rod, piston, seals, hoses
any deformation, inspection of hoses
Hydraulic jib
Lubrication, wear and any deformation, actions
Booms, pins, outrigger connections
Rams (hydraulic jib):
Oil-leaks, chromium plating, any deformation,
Cylinder, rod, piston, seals, hoses
inspection of hoses
Winch
Lubrication, wear and any deformation, actions
Torque limiter, brake, rope slide guide,
cable, stroke end, pulleis
Distributors, deviators, valves
Checking of the pressure, oil-leaks, wear and
Control levers, forks, joints,
any deformation, actions,
fixing screws, lead seals
Lifting moment limiting device
Checking of the pressure, oil-leaks
Valves, pressure switches, electrovalves
Power take-off, pump, oil-tank
Pump capacity, checking of the pressure, oil change,
Filters, hoses
replacement of filters, inspection of hoses
22.7
MAINTENANCE
INSTRUCTIONS
GRU FASSI
View thousands of Crane Specifications on FreeCraneSpecs.com
View thousands of Crane Specifications on FreeCraneSpecs.com