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Summary of Contents for Georg Fischer RA 21
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Page 1: Operating Instructions
Operating Instructions Code 790 044 762 RA 21 and RA 21 Special Pipe Cutting and Bevelling Machines GEORG FISCHER +GF+... - Page 2 These operating instructions are part of machine no.: ......All rights retained, in particular the rights to reproduction, dissemination and translation. Copying or reproduction in any form (print, photocopy, microfilm or data acquisition) require written permission from Georg Fischer Rohrverbindungs- technik GmbH.
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Page 3: Table Of Contents
Table of Contents Page 0 About these operating instructions 1 Notes on safety 2 Description of the pipe cutter 3 Features and scope of application of the pipe cutter 4 Technical specifications 5 Commissioning 5.1 Checking the scope of delivery 5.2 Transporting and assembling the pipe cutter 6 Operation... - Page 4 GEORG FISCHER +GF+...
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Page 5: About These Operating Instructions
About these operating instructions The symbols used in this manual are explained here to help you quickly understand the operating instructions and use them effectively. Symbols Note on safety This general hazard symbol accompa- nies passages of text which you should read and understand under all circum- stances. -
Page 6: Notes On Safety
1 Notes on safety The RA 21/RA 21 Special Pipe Cutting and Bevelling Machine (referred to as a pipe cutter in the following) is a state-of-the-art machine. Using it for purposes other than those described in this manual may cause injury to the user or to others. - Page 7 Always work with safety in mind. º Wear safety goggles during cutting and bevelling operations. º Switch the RA 21 (S) off after completing each stage of work and allow the machine to run a stop. º Disconnect from the mains before cleaning the pipe cutter.
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Page 8: Description Of The Pipe Cutter
2 Description of the pipe cutter The pipe cutter is a robust, user-friendly, service-friendly and safety-oriented design. Vise and saw All mechanically stressed parts are metal. The rounded, smooth edges help to avoid accidents. The saw blade and jaws are close togethers which reduces vibrations during cutting. -
Page 9: Features And Scope Of Application Of The Pipe Cutter
The cut pipes are free from burr, so no deburring (in- or outside) is required. This reduces the risk of corrosion. Scope of application RA 21 RA 21 Special º pipe Ø 1/4" to 2" or 10 mm to 63 mm º... - Page 10 The following materials can be used: º steel, black or galvanised º chrome and stainless steel (up to 2.5 mm wall thickness) º aluminium º non-ferrous metals (e.g. copper, brass) º plastics (PE, PP, PVDE, PVC) Other materials on request. Do not use cast pipes with glass-hard surfaces (GG).
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Page 11: Technical Specifications
Technical specifications Manufacturer Georg Fischer Rohrverbindungstechnik GmbH D-78224 Singen Dimensions 300 x 450 x 300 mm Weight (incl. vise) 34 kg Power 550 W Protection class Totally insulated in accordance with Class II DIN VDE 0740 Speed 180 rpm Versions 1-phase AC 110 ... -
Page 12: Commissioning
5 Commissioning 5.1 Checking the scope of delivery Check all parts of the delivery for completeness and transport damage. Please report missing parts or transport damage to the support immediately. Normal accessories (subject to change without notice) º 1 saw blade º... -
Page 13: Transporting And Assembling The Pipe Cutter
Transporting and assembling the pipe cutter Transport Disconnect from the power supply before transporting, mounting or dismounting and allow the machine to run a stop. Mounting the quick mounting base plate The pipe cutter with the vise is mounted either º... -
Page 14: Operation
Operation Fitting the saw blade / additional cutter Disconnect the mains plug before fitting or changing the tool. The saw blade/additional cutter must be free from chips and dirt. Use only original Georg Fischer saw blades and cutters. The inscription on the saw blade (1) must always face the pipe cutter. - Page 15 !Mount the following on the shaft (1): º saw blade (3) º clamping disk (4) code RA 21: 790 041 188 code RA 21 S: 790 044 192 !Tighten the nut (5) by turning counter- clockwise. Left-hand thread. !Loosen the locking screw (2).
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Page 16: Adjusting The Pipe Diameter
Adjusting the pipe diameter Threaded pipes to DIN 2440 open !Release the lever (1). !Select pipe diameter on the scale (3). !Set the red mark on the left side of the stop (2) to the corre- sponding number. !Tighten the lever (1). All other types of pipe !Insert the pipe in the vise. -
Page 17: Adjusting The Additional Cutter
Adjusting the additional cutter Simultaneous cutting and bevelling of steel pipes up to a wall thickness of 4.5 mm is possible. !Insert the pipe in the vise. !Move the pipe almost up to the additional cutter. !Clamp the pipe in the vise. -
Page 18: Using Stops
Using stops Length gauge up to 250 mm !Mount the length gauge (1). !Swing the stop (2) in to the middle of the pipe and engage. !Release the cross knob (3). !Set to the desired length. Use the scale. !Tighten the cross knob. - Page 19 !Tighten the clamp. !Push the pipe up against the stop and clamp. !Swing the stop out and push all the way back. !Cut the pipe. !For the next cut, extend the stop and swing into place clockwise. GEORG FISCHER +GF+...
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Page 20: Cutting The Pipe
Cutting the pipe Cut thin-walled chrome and stainless steel pipe up to 1.5 mm wall thickness only with RA 21 Special. Put on safety goggles before cutting. !Connect the pipe cutter to the mains. !Apply saw blade lubricant to the saw blade teeth. - Page 21 !Switch on the saw motor. Press the on/ off switch (1) and the locking button (2). !Carefully turn the pipe cutter clock- wise until the wall of the pipe has been pierced through. !Continue to turn rapidly until the pipe has been cut off and the marks (3) on the slide housing and...
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Page 22: Cutting And Bevelling The Pipe
Cutting and bevelling the pipe This procedure combines cutting and bevelling of the pipe. When cutting and bevelling simul- taneously, turn the pipe cutter more slowly around the pipe that you would for cutting alone, as two tools are used at the same time. Put on safety goggles before cutting. - Page 23 !Switch on the saw motor. Press the on/ off switch (1) and the locking button (2). !Carefully turn the pipe cutter clock- wise until the wall of the pipe has been pierced through. !Continue turning rapidly until the pipe has been cut off and the marks (3) on the slide housing and vise housing are...
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Page 24: Maintenance
Maintenance Disconnect the mains plug before doing maintenance work. Interval Activity every week Remove the saw blade and brush off chips. Oil the four locations marked by the arrows. Check the oil level of the gear and top up if necessary. - Page 25 Interval Activity after the first 150 hours Fill with gear oil up to the threaded hole. of operation (or after 3 months, whichever is sooner), then every 1000 hours of operation (or every year) GEORG FISCHER +GF+...
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Page 26: What To Do If
What to do if ...? Problem Cause Remedy Pipe cutter will not turn. Locking screw tightened. Loosen locking screw. Wrong pipe diameter Set pipe diameter set. correctly. Saw blade is not cutting Nut on saw blade shaft Tighten nut. and is slipping. not tight enough. - Page 27 Alternatively, contact your local Georg Fischer agent. A list of addresses is provided on the back cover of this manual. Please quote the following data: Cutter type: RA 21/RA 21 Special º Machine number: see nameplate. º The technical data are not binding.
- Page 28 GEORG FISCHER +GF+ Ebnatstrasse 101 DK/IS S/FIN Export...
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