• Boom system bearings.
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.
8.3.3. Daily inspection
Stabiliser locking devices
• Check that the stabiliser locking devices are undamaged and working properly.
Shafts, shaft lockings, bearings and bushings
• Check that the shafts, shaft lockings, bearings and bushings are undamaged and working
properly.
Stop buttons
• Check that the Stop buttons are undamaged and working properly.
Seat
• Check the fastening of the seat
Electronic components
• Check that these are in good condition.
Check that the booms do not lower by themselves.
• At rated capacity at maximum hydraulic outreach, check that the booms do not lower by
themselves.
Maximum allowed boom sinking with a 5 m outreach, 10 cm/min;
7 m outreach 14 cm/min; 9 m outreach 18 cm/min.
Crane structure
• Check for damage to the crane structure (e.g. any formation of cracks).
DANGER
In the event of damage that presents a safety risk:
• Do not use the crane.
• Have the damage repaired immediately by a HIAB service workshop.
Maintenance and Service
54
Jonsered 1250RZ -1500RZ R CE
