HTC Floor Systems GL 270 HD User Manual

www.htc-floorsystems.com/support

MANUAL

HTC GL 270 HD

Translation of manual in original language

Contact Information

HTC Sweden AB
Box 69
SE-614 22 Söderköping - Sweden
Tel: [phone]
Fax: [phone]

You can find addresses for our retailers 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. Other names and products mentioned
in this manual may be registered trademarks owned by the relevant companies.

© 2014 HTC Sweden AB. All rights reserved.

EC Declaration of conformity

Manufacturer: HTC Sweden AB

Box 69
SE-614 22 Söderköping
Sweden
[phone]

Type of equipment: Grinding Machine

Make: HTC

Trademark: HTC 270 HD

Year of manufacture: See machine name plate

Serial number: See machine name plate

As the manufacturer, we hereby declare under our sole responsibility that the above
product with serial numbers from 2012 and 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 20643:2005, ISO 3741.

The product has been CE labelled in the years 2012. The technical documentation is
available from the manufacturer.

Original of the EC declaration of conformity (Swedish). Other languages are
translations of the original of the EC declaration of conformity.

Söderköping 25/06/2012

Daniel Gustavsson
Development Manager
HTC Sweden AB

Kåre Kilgren
Product Manager
HTC Sweden AB

HTC GL 270 HD Table of contents

i

1 Introduction

1

1.1 General ............................................................................

1

1.2 Liability ............................................................................

1

1.3 Manual .............................................................................

1

1.3.1 Safety explanations - explanation of symbols ....

1

1.4 Transportation .................................................................

2

1.5 On delivery ......................................................................

2

1.6 Unpacking the equipment ................................................

3

1.7 Machine name plate ........................................................

3

1.8 Handling and storage ......................................................

4

1.9 Vibration and noise ..........................................................

4

1.9.1 Hand and arm vibrations ....................................

4

1.9.2 Sound power level ..............................................

4

2 Safety

5

2.1 General ............................................................................

5

2.2 Warnings .........................................................................

5

2.3 Notes ...............................................................................

6

3 Machine description

8

3.1 General machine description ...........................................

8

3.2 Description of controls - Control panel ............................

11

Table of contents HTC GL 270 HD

ii

4 Operation

12

4.1 General ............................................................................

12

4.2 Handle setting .................................................................

13

4.3 Access to grinding tools ..................................................

14

4.4 Fitting and replacing grinding tools ..................................

14

4.4.1 Fitting grinding tools ...........................................

15

4.4.2 Changing grinding tools ......................................

16

4.5 Preparations for dry grinding ...........................................

17

4.6 Separating and assembling the chassis and grinding

head ................................................................................

17

4.6.1 Remove the grinding head from the chassis ......

17

4.6.2 Attach the grinding head to the chassis .............

18

4.7 Operation .........................................................................

18

4.7.1 Starting the machine ..........................................

18

4.7.2 Emergency stop switch ......................................

18

4.8 Making operation easier ..................................................

18

4.9 Edge grinder kit (accessory) ............................................

19

4.9.1 Change to Edge Grinder Cover ..........................

20

4.9.2 Fitting the Edge Grinder Adapter ........................

21

4.9.3 Positions for Edge Grinder Adapter ....................

22

4.9.4 Place in the centre position ................................

23

5 Maintenance and repairs

24

5.1 General ............................................................................

24

5.2 Cleaning ..........................................................................

24

5.3 Daily ................................................................................

24

5.4 Every week ......................................................................

24

5.5 Every month (or after 100 hours) ....................................

25

5.6 Repairs ............................................................................

25

5.7 Spare parts ......................................................................

25

6 Troubleshooting

26

6.1 General ............................................................................

26

6.2 The machine will not start ................................................

26

6.3 The machine vibrates or wears the tools unevenly .........

26

6.4 The fuse trips frequently ..................................................

26

6.5 The machine cannot cope ...............................................

27

7 Technical data

28

HTC GL 270 HD Table of contents

iii

8 Environment

30

8.1 Chassis ............................................................................

30

8.2 Grinding head ..................................................................

30

8.3 Electrical system .............................................................

30

8.4 Recycling .........................................................................

31

9 Warranty and CE marking

32

9.1 Warranty ..........................................................................

32

9.2 CE marking ......................................................................

32

Table of contents HTC GL 270 HD

iv

HTC GL 270 HD Introduction

2.0 1

1 Introduction

1.1 General

The machine models in HTC's Greyline series are grinding machines that can be used to
grind, strip and clean all types of floors. The area of application for the machine
depends on the choice of tool.

Read the manual carefully, so you are totally familiar with the machine before you start
to use it. Contact your local retailer for further information. For contact information, see
Contact Information at the start of the manual.

1.2 Liability

Even though every effort has been made to make this manual as complete and accurate
as possible, we bear no responsibility for incorrect or missing information. HTC
reserves the right to change the descriptions contained in this manual without prior
notice.

This manual is protected by the Copyright Act and no part of it may be copied or used
in any other way without the written 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 explanations - explanation of symbols

A number of symbols are used in the manual to highlight the most important sections,
see below. It is important that you carefully read through the descriptions of the symbols
in order to avoid the risk of both material damage and personal injury. There are also
other symbols indicating practical tips. These are to help you use the machine in the
easiest and most effective way.

The following symbols are used in the document to indicate where special attention is
needed.

Warning!

This symbol means Warning! and indicates a risk of personal injury or material
damage in the event of incorrect use of the machine. If you see this symbol next
to a section of text, you must pay particular attention when reading through the
text and not carry out any operations of which you are unsure. This is for your
own and other users' safety and to avoid damage to the machine.

Introduction HTC GL 270 HD

2 2.0

Note!

This symbol means Note! and indicates a potential risk of material damage in
the event of incorrect use of the machine. If you see this symbol next to a
section of text, you must pay particular attention when reading through the text
and not carry out any operations of which you are unsure. This is to avoid
damage to the machine.

Tip!

This symbol means Tips! and implies the inclusion of tips and advice on
effective use of the machine or ways of reducing wear and tear to the machine.
If you see this symbol next to a text, you should read through the text to make
your work easier and to extend the service life of the machine.

1.4 Transportation

Always make sure that the grinder is securely anchored to its surroundings and the
grinding head is lowered against the surface. Make sure that the securing straps, or other
equipment used for anchoring during transport, are tightened over non-moving parts,
e.g. the grinder's chassis.

When lifting the grinder, lifting straps must be used. These must be attached
well-secured in the lifting eyes provided. Only use lifting straps approved for lifting
equipment.

Do not transport the grinder on sloping surfaces, e.g. loading ramps, without securing it
by the lifting eyes for example with a winch. This is a safety measure in case the grinder
starts to roll out of control. Also make sure that people (including operator) in the
vicinity are at a safe distance in order to prevent personal injury, in the event that the
grinder starts to roll out of control.

1.5 On delivery

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

• Manual

• Face spanner (for machines with removable tool holder)

• Lock spring tool holder

• Allen key (for machines with adjustable handle)

• Camlock female

HTC GL 270 HD Introduction

2.0 3

1.6 Unpacking the equipment

Warning!

Read carefully through the safety instructions and user manual before using the
equipment.

• Check the packaging and equipment carefully on delivery for any possible
transportation damage. If there is any sign of damage, contact your retailer and
report it. Report packaging damage to the transport company as well.

• Check that the delivery matches the order. If there are any discrepancies, contact
your 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 name plate

1. Model

2. Model number

3. Serial number

4. Year of manufacture

5. Power (kW)

6. Voltage (V)

7. Current (A)

8. Frequency (Hz)

9. Rotational speed (r.p.m.)

10. Weight (kg)

11. Address field

Introduction HTC GL 270 HD

4 2.0

1.8 Handling and storage

The machine should be stored in a heated, dry area when not in use. Otherwise it may
be damaged by condensation and cold.

1.9 Vibration and noise

Warning!

Always use hearing protection when using the machine.

1.9.1 Hand and arm vibrations

Hand and arm-weighted vibration level [m/s²] for HTC GL 270 HD have been measured
using equipment approved in accordance with ISO 5349-1:2001. Measurement
uncertainty for the measuring equipment is given as ±2%.

The machine has been tested in accordance with ISO 5349-2:2001 and ISO 20643:2005
in order to identify the operations that contribute to the most frequent vibration
exposures. At vibration levels > 2.5 m/s² the exposure time should be limited in
accordance with the table below. For vibration levels > 5 m/s² immediate measures must
be taken by the employer to ensure that the exposure time does not exceed the time
specified in the table below.

Identified work conditions Measured values

[m/s²]

Daily permitted exposure
(number of hours)

Grinding/polishing 2,10 Unrestricted

Floor preparation (T-rex) 3,70 14.80 hrs

1.9.2 Sound power level

This machine is tested for noise in accordance with ISO 3741 . For information on the

sound power level, see the table in chapter Technical data, page28.

HTC GL 270 HD Safety

2.0 5

2 Safety

2.1 General

This chapter contains all the warnings and notes that must be considered for the HTC
GL 270 HD.

2.2 Warnings

Warning!

The machine may only be used or repaired by personnel who have received the
appropriate theoretical and practical training and who have read this manual.

Warning!

Never use the machine in an environment where there is a risk of explosion or
fire. Familiarise yourself with the fire-protection instructions for the working
area and follow them.

Warning!

Make sure there are no loose objects in the work area. If loose objects get under
the grinding head, these may be flung out and cause personal injury.

Warning!

Use protective equipment as shown on the labelling in the machine.

Warning!

Always make sure that a dust extractor is connected to the grinder during dry
grinding to prevent, as far as possible, exposing the operator, people in the
vicinity, the grinder and other equipment to dust particles. Exposure to dust
particles can cause personal injury and also damage to physical equipment.

Warning!

Only start the machine with the grinding head lowered.

Warning!

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

Warning!

Always use hearing protection when using the machine.