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Changeover of upper drive/pressure roller
Different overlap joints can be produced with the Leister TWINNY for various
applications, e.g. in tunnel construction or civil engineering. These differ in width
of the welded seam and in width of the test channel. Welding seams without
test channel can also be produced. In order to achieve these different welding
seams, the appropriate drive/pressure rollers have to be installed. These
drive/pressure rollers are manufactured either in aluminium or stainless steel
depending on customers' requests.
1
1. Countersunk screw M3 × 6
2. Guard plate for swivel head
3. Setscrew M4 × 8
4. Cylinder pin 6 × 80
5. Guard ring (shaft Ø 15)
Dismantling of the drive pressure rollers, in sequence
Assembly of the drive/pressure rollers, in reverse order Nos. 9 – 1
2
3
9
8
3
4
6. Spacer
7. Drive/pressure roller
8. Woodruff key
9. Upper drive shaft complete
7
6
5
Nos. 1 – 9
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