Festo DGE ZR RF Series, Repair Instructions

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4 / 44 Festo 7DGE_ZR_RFb_en
Table of contents
1 Important information 5
1.1 About these repair instructions 5
1.2 Pictograms used in these repair instructions 5
1.3 General safety information 6
2 General product description 6
2.1 Functional description 6
2.2 Types and part numbers 7
2.3 Overview of variants and mounting directions 7
3 Component overview 8
3.1 DGE-25-…-ZR-RF 8
3.2 DGE-40-…-ZR-RF 10
3.3 DGE-63-…-ZR-RF 12
4 Repair steps 14
4.1 Renewing the toothed belt 14
4.1.1 Replacing the toothed belt 15
4.1.2 Checking and setting the toothed belt pretension 19
4.1.3 Additional information on checking the toothed belt pretension 21
4.1.4 Cutting the toothed belt to length 22
4.2 Dismantling the toothed belt axis 23
4.2.1 Removing the drive covers 23
4.2.2 Dismantling the drive covers 25
4.3 Profile track roller guide 27
4.3.1 Dismantling the slides 28
4.3.2 Setting the track roller pretension 32
4.3.3 Measuring the displacement force of the slide 34
4.4 Assembling the toothed belt axis 34
4.4.1 Preparing the cylinder barrel 34
4.4.2 Installing the drive covers 34
4.5 Assembly and function check 37
4.5.1 No-load torque 37
5 Maintenance 38
5.1 Cleaning and lubricating the toothed belt axis 38
5.2 Checking and lubricating the roller bearing guide 38
5.3 Toothed belt pretension 38
6 Tools 39
6.1 Standard tools 39
6.2 Special tools 39
6.3 Devices and meters 40
6.4 Devices for in-house assembly 41
7 Liability 41