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Introduction

HTC GL

270/400/450/550

2

1.0

Note!

This symbol means

Note!

and indicates that material damage can occur if the

machine or its accessories are used incorrectly. If you see this symbol next to a
section of text, you must be particularly careful when reading through the text
and not carry out any stages of which you are unsure. This is to avoid damage
to the machine or other equipment.

Tip!

This symbol means

Tip!

 and indicates that you can get tips and advice on ways

to make operating your machine or associated equipment easier, and to avoid
wear. When you see this symbol you should read the accompanying text to
facilitate your work and increase the service life of the machine.

1.4

Transportation

The machine is best transported securely fastened to a pallet.

1.5

On delivery

The following items are included in the delivery. Contact you retailer if anything is
missing.

Grinding machine

Manual disc

Hammer EZ system

Face spanner (not for HTC GL 270 and HTC GL 400)

Lock spring tool holder

Allen key

Gloves

HTC Cap

1.6

Unpacking the machine

Warning!

Read through the safety instructions and the manual carefully before use.

Summary of Contents for GL 270

Page 1: ...HTC GL 270 400 450 550 MANUAL GB Translation of manual in original language...

Page 2: ...The Greyline series...

Page 3: ...s and service partners on our website www htc floorsystems com Always specify the model and serial number when asking questions about your product Trademarks HTC is a trademark owned by HTC Sweden AB...

Page 4: ...0 onward conforms to the applicable regulations in directives MD 2006 42 EC EMC 2004 108 EC and LVD 2006 95 EC The following standards have been used as a basis ISO 5349 1 2001 ISO 5349 2 2001 ISO 206...

Page 5: ...0 onward conforms to the applicable regulations in directives MD 2006 42 EC EMC 2004 108 EC and LVD 2006 95 EC The following standards have been used as a basis ISO 5349 1 2001 ISO 5349 2 2001 ISO 206...

Page 6: ...0 onward conforms to the applicable regulations in directives MD 2006 42 EC EMC 2004 108 EC and LVD 2006 95 EC The following standards have been used as a basis ISO 5349 1 2001 ISO 5349 2 2001 ISO 206...

Page 7: ...ard conforms to the applicable regulations in directives MD 2006 42 EC EMC 2004 108 EC and LVD 2006 95 EC The following standards have been used as a basis ISO 5349 1 2001 ISO 5349 2 2001 ISO 20643 20...

Page 8: ......

Page 9: ...packing the machine 2 1 7 Machine name plate 3 1 8 Handling and storage 3 1 9 Vibration and noise 4 1 9 1 Hand and arm vibrations 4 1 9 2 HTC GL 270 4 1 9 3 HTC GL 400 4 1 9 4 HTC GL 450 4 1 9 5 HTC G...

Page 10: ...Making operation easier 20 4 9 Edge grinder kit accessory for HTC GL 270 21 4 9 1 Change to Edge Grinder Cover 21 4 9 2 Fitting the Edge Grinder Adapter 23 4 9 3 Positions for Edge Grinder Adapter 24...

Page 11: ...70 400 450 550 Table of contents iii 7 Technical data 30 7 1 HTC GL 270 30 7 2 HTC GL 400 32 7 3 HTC GL 450 34 7 4 HTC GL 550 36 8 Environment 38 9 Warranty and CE marking 39 9 1 Warranty 39 9 2 CE ma...

Page 12: ...Table of contents HTC GL 270 400 450 550 iv...

Page 13: ...ten approval of HTC 1 3 Manual In addition to the general functions this manual deals with the areas of application and the maintenance of the grinder 1 3 1 Safety instructions Explanation of symbols...

Page 14: ...ice on ways to make operating your machine or associated equipment easier and to avoid wear When you see this symbol you should read the accompanying text to facilitate your work and increase the serv...

Page 15: ...our retailer 1 7 Machine name plate The machine name plate provides the following information The model and serial number must be specified when ordering spare parts for the machine Figure 1 1 Machine...

Page 16: ...ls 2 5 m s the exposure time should be limited in accordance with the table below For vibration levels 5 m s immediate measures should be taken by the employer to ensure that the exposure time does no...

Page 17: ...s m s Daily permitted exposure number of hours Grinding polishing 2 5 Unrestricted Floor preparation T rex 3 87 13 4 1 9 6 Sound pressure level This machine has been tested for noise in accordance wit...

Page 18: ...rsons should be allowed within a 15 metre radius of the machine If a loose object were to catch under the grinding head this could be flung out and cause personal injury Warning Use protective equipme...

Page 19: ...in the upright position when the machine is tipped to enable access beneath the grinding head Otherwise there is a risk that the machine could fall back and cause personal injury Warning The lifting...

Page 20: ...used when dry grinding Contact HTC for model recommendation Note The dust extractor s suction hose must be connected to the appropriate socket on the machine Adjust the dust extractor to match the gr...

Page 21: ...nded for lifting the grinding head when it is separated from the chassis and then only for short low lifts e g into the boot of a car The lifting handles are not to be used for lifting the complete ma...

Page 22: ...0 Figure 3 1 The front of the machine 1 Control cabinet 2 Lifting eye for the machine 3 Plug 4 Motor 5 Lifting handles for grinding head 6 Floating grinding cover 7 Wheels 8 Suction hose 9 Connection...

Page 23: ...ism for handle adjustment 5 Locking bolts quick release grinding head 3 2 Description of controls Control panel The picture below shows the machine s control panel Figure 3 3 Control Panel 1 O I Start...

Page 24: ...hine description HTC GL 270 400 450 550 12 1 0 2 EM Stop Emergency stop switch Press the switch in an emergency to cut the power to the machine Reset the emergency stop switch by turning it 45 clockwi...

Page 25: ...Warning Secure the area around the working area No unauthorised persons should be allowed within a 15 metre radius of the machine If a loose object were to catch under the grinding head this could be...

Page 26: ...reaker Tip Check the minimum recommended cable area before using an extension cord You will find the recommended cable area under Technical data page 30 4 2 Handle settings The picture below shows the...

Page 27: ...chine back and allow it to stand for a short while Use protective gloves when removing the tools Warning Disconnect the electrical supply when changing tools or repairing the machine 1 Set the handle...

Page 28: ...down into the appropriate guide slot on the tool holder Then push the tool fully into the guide slot see Figure 4 2 page 16 Figure 4 2 Fitting grinding tools 2 Lock the grinding tool into the tool ho...

Page 29: ...by giving it a few light taps with a rubber hammer see Figure 4 3 page 16 4 5 Preparations for dry grinding Note Make sure that the floating cover can move freely within its movement margins and that...

Page 30: ...Ask someone to hold the chassis while you loosen the locking bolts and the quick release 4 6 1 HTC GL 270 Remove the grinding head from the chassis as follows 1 Undo the quick release coupling for the...

Page 31: ...nings on both sides of the grinding head Tip Ask someone to hold the chassis while you loosen the locking bolts and the quick release 5 Slowly pull the chassis back from the grinding head Attach the g...

Page 32: ...nt on the machine are turned off Note Do not use the emergency stop switch to stop the machine except in emergencies Note As long as the emergency stop switch is pressed in the machine cannot be start...

Page 33: ...few easy steps and with just a few parts but it provides increased flexibility in the use of the machine The edge grinder kit makes it possible to grind edges and corners effectively from different di...

Page 34: ...ace the grinding cover with the edge grinding cover and assemble all of the parts Note Check that all the parts are correctly attached and that all the screws are tightened properly before the machine...

Page 35: ...move the locking bolts from the chassis 2 Insert the edge grinder adapter s lower attachment into the chassis 3 Fold the edge grinder adapter into the chassis 4 Lock the edge grinder adapter in the ch...

Page 36: ...vely from different directions Change between left and right position Detach the grinding head from the edge grinder adapter Slightly loosen the locking knob see position 1 in Figure 4 9 page 24 Turn...

Page 37: ...HTC GL 270 400 450 550 Usage 1 0 25 Screw the locking knob out completely Then firmly lock the locking knob Figure 4 11 Hoop in the centre position...

Page 38: ...and damage the machine s drive system Always clean the machine after use with a damp sponge or cloth 5 3 Daily Check for wear to the grinding tool abnormal or uneven wear may indicate a damaged grind...

Page 39: ...repairs that may be required must be carried out by a HTC Service Centre which has trained service personnel and uses HTC original parts and accessories Contact your retailer if your machine requires...

Page 40: ...the tool unevenly Recondition the grinding holder by replacing the sleeves and vibration damper Check that there is movement between the chassis and grinding head 6 1 3 The machine is grinding at an a...

Page 41: ...able area before using an extension cord You will find the recommended cable area under Technical data page 30 6 1 6 The machine grinds unevenly only applies to HTC GL 450 and HTC GL 550 Note The mach...

Page 42: ...230 V 1 x 230 V Current 17 58 A 17 58 A 8 31 A 8 31 A Rec minimum cable area 2 5 mm 2 5 mm 1 5 mm 1 5 mm Frequency 50 Hz 60 Hz 50 Hz 60 Hz Rotational speed grinding discs 960 r p m 1152 r p m 960 r p...

Page 43: ...HTC GL 270 400 450 550 Technical data 1 0 31 Figure 7 1 Height and length of the machine in millimetres Figure 7 2 Width of the machine in millimetres...

Page 44: ...mum cable area 2 5 mm 2 5 mm 2 5 mm Frequency 50 Hz 50 Hz 60 Hz Rotational speed grinding discs 1430 r p m 1430 r p m 1160 r p m Storage temperature 20 40 C 20 40 C 20 40 C Working temperature 20 40 C...

Page 45: ...HTC GL 270 400 450 550 Technical data 1 0 33 Figure 7 3 Height and length of the machine in millimetres Figure 7 4 Width of the machine in millimetres...

Page 46: ...minimum cable area 2 5 mm 2 5 mm 1 5 mm 1 5 mm Frequency 50 Hz 60 Hz 50 Hz 60 Hz Rotational speed grinding discs 480 r p m 576 r p m 480 r p m 576 r p m Storage temperature 20 40 C 20 40 C 20 40 C 20...

Page 47: ...HTC GL 270 400 450 550 Technical data 1 0 35 Figure 7 5 Height and length of the machine in millimetres Figure 7 6 Width of the machine in millimetres...

Page 48: ...nded minimum cable area 2 5 mm 2 5 mm 2 5 mm Frequency 50 Hz 50 Hz 60 Hz Rotational speed grinding discs 715 r p m 715 r p m 858 r p m Storage temperature 10 40 C 10 40 C 10 40 C Working temperature 1...

Page 49: ...HTC GL 270 400 450 550 Technical data 1 0 37 Figure 7 7 Height and length of the machine in millimetres Figure 7 8 Width of the machine in millimetres...

Page 50: ...steel components Metal powder coated Belts Rubber and polyamide Steering grinding cover Plastic ABS Other components Untreated steel Electrical system Cables Copper conductors with Neoprene and PVC co...

Page 51: ...ny uncertainty regarding warranty terms please contact your retailer 9 2 CE marking CE marking of a product guarantees its free movement within the EU area in accordance with EU regulations CE marking...

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