Haulotte Group HA12CJ, Maintenance Book

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89 4000360350 E12.14 USA/GB
HA12CJ - HA32CJ - -
C
- Maintenance
3.3 - GENERAL POINTS
3.3.1 - Recommendations on the conditions of maintenance
• Your safety and the safety of the people around are essential. The handling of parts must be carried
out using appropriate equipment (Chains, Lifting slings, Lifting anchors, ...).
• Keep the elements of the machine in configuration of maintenance thanks to mechanics devices
(Supports, ...).
• Make sure the work area is clean in order to not to pollute the system of the machine.
• Plug the end of any hoses removed, and cap any open ports to prevent contamination during
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.