8.3.4. Weekly inspection and maintenance
Shafts and pins
• Check the lockings of shafts and pins.
Steps, passageways and the seat/cab
• Check the steps, passageways and the seat/cab.
Hydraulic pump and the cardan shaft
• Check the fastenings of the hydraulic pump and the cardan shaft.
Hose connections
• Check that the hoses, lines, connectors, cylinders and valves are tight.
Suction hose
• Tighten the suction hose connectors if necessary
Hydraulic system
• Bleed air from the hydraulic system. Air must be bled from the hydraulic system, if
- the system has been under maintenance or repairs
- the crane has been unused
- inadvertent movements occur during its use or the controls are slow or inaccurate.
Bearings and joints
• Lubricate the base bearing.
- cylinder bearings
- control lever joints
- boom system bearings
- cardan shaft.
Boom extension and the stabiliser beam
• Use spray vaseline or chain oil to lubricate the surface of the second boom and extension.
Use spray vaseline to lubricate the surface of the stabiliser beam.
Levers
• Lubricate the levers with a grease gun. Note the positions of the levers before greasing
Chain in extension
• Lubricate with a grease gun.
8.3.5. Monthly inspection and maintenance
In addition to the daily and weekly inspection, carry out the following each month.
Crane structure
• Clean the crane structure and check for damage (for example, any formation of cracks).
In the event of damage that presents a safety risk:
Maintenance and Service
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Jonsered 1250RZ -1500RZ R CE