Rothenberger ROWELD P 110: ENGLISH 15

3.2.3 Welding

ENGLISH 15

 Put heating element between the workpieces.

 Move pipe ends together and apply required adjusting force.

 As soon as the required bead height is reached evenly over the entire circumference at the

ipe ends, reduce the force to the corresponding preheating force (near 0). It must be en-

sured that the workpiece ends abut evenly to the heating plate.

 After finishing the preheating time, move pipe ends apart, remove heating plate and move

pipe ends together again within the max. change over time. Increase force as lineary as

possible to the corresponding joining force within the build up pressure time. The joining

force must be maintained with a tolerance of  6,66% during the entire cooling period.

 At the end of the cooling period release the spring via handwheel. Unclamp and take out the

welded tube sections.

All welding parameters can be found in the enclosed welding tables.

3.2.4 Welding of Segmended Bends

 Loose the screws in the base of the main clamps. Turn main clamps until the wished angel

on the scale is shown. Tighten screws again.

 Cut pipe ends in the required angel and clamp them in the main clamps.

 During trimming take care that the pipe ends are in the center of the trimmer disc.

 This can be adjusted by loosen the screws at the bottom of the trimmer support pushing or

pulling the trimmer in the center of the pipe ends and tighten the screws again.

 Use the depending Welding table.

 The angel shown on the welding table means the total angel of the welding.

 Example: 30° = 2 x pipe end with 15° each

Follow the instruction of „3.2.3 Welding

3.2.5 Putting out of operation

 Switch off the heating element.

 Unplug the heating element.

 Store basic machine and tools into transport case.

3.3 General requirements

As weather and ambient conditions can seriously effect welding procedures and joints, it is es-

sential to duly observe national welding guidelines and ordinances, e. g. DVS Guideline 2207,

Sections 1, 11 and 15.

Welding requires continuous and due supervision and monitoring!

3.4 Important information on welding parameters

For welding parameters such as temperature, pressure and time, consult your national welding

guidelines and ordinances, e. g. DVS Guideline 2207, Sections 1, 11 and 15.

Ordering: DVS Media GmbH, Aachener Str. 172, 40223 Düsseldorf

Postfach 10 19 65, 40010 Düsseldorf, Tel.: +49 (0) 211 / 15 91 – 0

Email: media@dvs-hg.de internet: www.dvs-media.info

In the event of doubt, consult the pipe manufacturer for material-specific welding parameters.

The welding parameters specified in the welding tables are strictly reference values. ROTHEN-

BERGER cannot assume any liability for their accuracy or completeness!

4 Care and maintenance

To ensure that the welding machine functions properly, observe the following maintenance rec-

ommendations:

 The guide rails must be kept free of dirt. When their surface is damaged, the guide rails

must be exchanged.

 The heating element must be operated only with the voltage stated on the type plate.

 To achieve perfect welding results, it is essential to keep the heating plate clean. If the sur-

face is damaged or shows signs of erosion, the surface must be recoated or replaced. Mate-

rial residues on the heating plate surface reduces the non-sticking properties of the coating.

Remove all residues with non-linting paper and alcohol (heating plate must be cool!).

 The trimmer is equipped with two double-sided ground knives. When cutting capacity starts

decreasing, the knives can be turned over or replaced by new ones.

 It must always be ensured that the pipe or workpiece ends to be machined, especially the

face surfaces, are free of soiling because otherwise the service life of the knives will be

shortened.

16 ENGLISH

4.1 Machine and tool care

(Follow the maintenance instructions in item 4!)

Sharp and clean tools produce better work results and are safer.

Replace blunt, broken or lost parts immediately. Check whether the accessories are securely

connected to the machine.

Use only original spare parts from the manufacturer for maintenance work. Repairs must be car-

ried out only by professionally qualified personnel.

Disconnect the machine from the mains when it is not in use, prior to care and maintenance

work and before changing accessory parts.

Prior to reconnection to the mains, it must be ensured that the machine and the accessory tools

are switched off.

When extension cables are used, they must be checked for their safety and operativeness. Only

cables approved for outdoor use must be used.

Tools and machines whose housing or handles, especially those made of plastic, are cracked or

warped must not be used.

Dirt and moisture in such cracks conduct electric current. This can lead to an electric shock if the

insulation is damaged in the tools or in the machine.

Note: Furthermore, we refer to the accident prevention regulations.