Haulotte H28TJ+, Книга по эксплуатации

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90 2420333140 E06.13 EN
Telescopic machines, 28 - 43 m
C
- Maintenance
3.3.2 - Mechanical
3.3.2.1 - Bolts and Tightening torques
• Bolts that become damaged and need to be replaced, must be replaced with bolts of identical
specification : Type, Length, Diameter, Class .
• Tighten to the torque indicated when reassembling.
• If there are no specific requirements, apply the normalized tightening torques( Section C 3 -
Maintenance sheets E007).
3.3.2.2 - Pins and bearings
Except maintenance schedule, check pins and bearings in the following cases :
• Abnormal noise during the movements of the structure.
• Observance of excessive amounts of foreign material around the bearing extremities during the daily
visual inspections.
• Poor or no maintenance.
Replace slew ring in the following cases :
• Deformations, fatigue failure of the bearings and/or the pins.
• Presence of excessive clearance between the pin and housing(> at 0,5 mm).
• Presence of deformations, cracks or breakage of the bearings and/or the pins.
• Presence of scoring on the surface of the bearing.
• If there is excessive friction.