How often do the ball bearing elements for type DGPL/DGEL drives need to be lubricated?
Ball bearing elements installed up to the year 2000 are indicated by a black wiper seal and must be lubricated every 400 km. Newer ball bearing elements with grey wiper seals need to be relubricated every 5000 km or at the latest after 3 years. Relubrication should be carried out more often in the following cases: Strokes > 2000 mm Strokes < 50 mm Speeds > 2 m/s Increased accumulation of dirt in surrounding areas The slide must be moved on the rail during the lubrication process.
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