Haulotte Group OPTIMUM 1931 E, Maintenance Book

Page: 55 / 148

55 4000429690 E 11.15 US / GB
General data
Pins and bearing inspection
MS0002
General data
Pins and bearing inspection
1 - You will need
2 - Preliminary operation
The operations of disassembling if they exist should be carried out only on the installations completely disconnected
and must be entrusted only to people having the necessary technical training.
Respect, in addition to the instructions appearing in the present instructions, the legal tendencies generally applicable
for safety accident prevention.
All the precautions must be done in work before intervening on and near the machine.
After completion of work, all the covers and safety devices must be positioned back completely and operational.
3 - Control and maintenance
The control of pins, stop pins, bushes and bearing must be carried out according to the following recommendations :
• Every day before use : Fast visual inspection without disassembling .
• Check the presence of the pins and visible stops pins without disassembling.
• Check the presence of the screws.
• Check absence of deformations, cracks or breakage of pins and/or stops pins.
• Check absence of heavy abrasion, wear or oxidation of the pins, stops pins.
• All 250 h or 6 months : Reinforced visual inspection with disassembling of certain elements to reach the
bushes or bearing. In addition to the above cited criteria, verify the following :
• Check the presence and the position of the bushes and bearings.
• Check the absence of shaving in periphery of the pins.
• Check the absence of heavy abrasion, wear or oxidation of the bushes and bearing.
• Check the absence of deformations, cracks or breakage of the bushes and bearing.
• Check the absence of radial gap > 0,5 mm (19690 µ in) on the pins.
• Every 5 years : Complete disassembling of the pins, bushes and bearing. In complement of the inspections
above cited, it is necessary to check :
• For the stages :
• Check the presence of material of friction.
• For the bearings :
• After disassembling, protect the bearing from pollution and shocks.
• Clean the bearing with a suitable solvent.
• Check the absence of shaving in the housing of the bearing and/or the bearing.
• Check the absence of heavy abrasion, wear, oxidation, deformations of the balls (or rollers) and the
ball races.
• Standard tool kit
• Protective goggles
• Gloves
• Place barriers around the perimeter of the work area
Exclusively use tools and auxiliary average adapted. Always wear necessary safety clothing.