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EN - 16
MAINTENANCE
STORAGE TIME
Lubrication method
a) Long-term LUBRICATION
Lubrication fittings are not necessary if relubrication is required only once a year. This is the case in many common applications.
During assembly, coat the bearings thoroughly with lubricant and fill the empty spaces on either sides with extra lubricant up to one-half or no more than two-thirds.
Take care not to overlubricate as excess lubricant may cause the bearings to overheat!
Open and relubricate the bearing housings when performing general machine inspections or overhauls. Do so under clean conditions: clean the outsides of the housings,
remove their caps, clean the bearings and their housings with white spirit, then coat them with lubricant.
b) Short-term LUBRICATION
1) Lubrication with the motor off: self-lubricating bearings
If the charts specify lubrication frequencies that are too short to coincide with a general overhaul, the bearing housings may be equipped with lubrication fittings. A rough
approximation of the quantity of lubricant to be added when topping-up can be determined by the following formula:
G = 0.005 DxB, where:
G = quantity of lubricant, in grammes
D = Outer diameter of the bearing, in mm
B = Width of the bearing, in mm
Lubrication can be performed when the machine is off or running. To evenly distribute the lubricant, the best option is to run the bearing at low speed.
It is important to always use the same grade of lubricant and to ensure that the surrounding conditions are clean.
To avoid overfilling the bearing housings following several top-ups, open them now and then to drain the used lubricant.
Less than 6 months
Months to 1 year
More than 1 year
The machine can brought back into service without
being relubricated provided it has been correctly
stored.
Lubricate when commissioning the machine.
Relubricate several times in order to replace all the
lubricant.
n (vitesse rotation en tours/minute)
Roulement à rotule sur rouleaux
Roulement à billes
(Alesage en mm) d
Intervalles de graissage (en heures de fonctionnement)