HTC Floor Systems GL 270, GL 400, GL 450, GL 550 User Manual

HTC GL 270/400/450/550

MANUAL

GB

Translation of manual in original language

The Greyline series

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.

© 2007 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

Model: HTC GL 270

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 2010 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.

This product was CE-marked in 2010. 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, 12-05-2010

Peter Lundgren
Development Manager,
HTC Sweden AB

Kåre Kilgren
Product Manager,
HTC Sweden AB

EC Declaration of conformity

Manufacturer: HTC Sweden AB

Box 69
SE-614 22 Söderköping
Sweden
[phone]

Type of equipment: Grinding machine

Make: HTC

Model: HTC GL 400

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 2010 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.

This product was CE-marked in 2010. 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, 12-05-2010

Peter Lundgren
Development Manager,
HTC Sweden AB

Kåre Kilgren
Product Manager,
HTC Sweden AB

EC Declaration of conformity

Manufacturer: HTC Sweden AB

Box 69
SE-614 22 Söderköping
Sweden
[phone]

Type of equipment: Grinding machine

Make: HTC

Model: HTC GL 450

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 2010 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.

This product was CE-marked in 2010. 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, 12-05-2010

Peter Lundgren
Development Manager,
HTC Sweden AB

Kåre Kilgren
Product Manager,
HTC Sweden AB

EC Declaration of conformity

Manufacturer: HTC Sweden AB

Box 69
SE-614 22 Söderköping
Sweden
[phone]

Type of equipment: Grinder

Make: HTC

Model: HTC GL 550

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 2010 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.

This product was CE-marked in 2010. 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, 12-05-2010

Peter Lundgren
Development Manager,
HTC Sweden AB

Kåre Kilgren
Product Manager,
HTC Sweden AB

HTC GL
270/400/450/550 Table of contents

i

1 Introduction 1

1.1 General ............................................................................ 1

1.2 Responsibility .................................................................. 1

1.3 Manual ............................................................................. 1

1.3.1 Safety instructions – Explanation of symbols ..... 1

1.4 Transportation ................................................................. 2

1.5 On delivery ...................................................................... 2

1.6 Unpacking 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 GL 550 ....................................................... 5

1.9.6 Sound pressure level .......................................... 5

2 Safety 6

2.1 General Information ......................................................... 6

2.2 Warnings ......................................................................... 6

2.3 Notes ............................................................................... 7

3 Machine description 9

3.1 General machine description ........................................... 9

3.2 Description of controls – Control panel ........................... 11

Table of contents

HTC GL

270/400/450/550

ii

4 Usage 13

4.1 General Information ......................................................... 13

4.2 Handle settings ................................................................ 14

4.3 Access to grinding tools .................................................. 15

4.4 Fitting and replacing grinding tools .................................. 15

4.4.1 Fitting grinding tools ........................................... 16

4.4.2 Changing grinding tools ...................................... 17

4.5 Preparations for dry grinding ........................................... 17

4.6 Separating and assembling the chassis and grinding

head ................................................................................ 18

4.6.1 HTC GL 270 ....................................................... 18

4.6.2 HTC GL 400, GL 450 and GL 550 ...................... 19

4.7 Operation ......................................................................... 19

4.7.1 Starting and stopping the machine ..................... 20

4.7.2 Emergency stop switch ...................................... 20

4.8 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

5 Maintenance and repairs 26

5.1 General Information ......................................................... 26

5.2 Cleaning .......................................................................... 26

5.3 Daily ................................................................................ 26

5.4 Every week ...................................................................... 26

5.5 Every month (or 100 hours) ............................................. 27

5.6 Repairs ............................................................................ 27

5.7 Spare parts ...................................................................... 27

6 Faultfinding 28

6.1 General Information ......................................................... 28

6.1.1 The machine will not start ................................... 28

6.1.2 The machine vibrates or wears the tool

unevenly ............................................................. 28

6.1.3 The machine is grinding at an angle .................. 28

6.1.4 The fuses trip frequently ..................................... 28

6.1.5 The machine cannot cope .................................. 28

6.1.6 The machine grinds unevenly (only applies to

HTC GL 450 and HTC GL 550) .......................... 29

HTC GL
270/400/450/550 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 marking ...................................................................... 39

Table of contents

HTC GL

270/400/450/550

iv

HTC GL
270/400/450/550 Introduction

1.0 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 Responsibility

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 descriptions in this manual without giving 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 instructions – Explanation of symbols

A number of symbols are used in the manual to highlight the most important sections,
see below. In order to avoid both personal injury and material damage as far as possible,
it is extremely important to read and understand the text next to these symbols
particularly carefully. There are 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 that incorrect use can result in
material damage to the machine or accessories. 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 protect you and
other users and to avoid damaging the machine or other equipment.

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.

HTC GL
270/400/450/550 Introduction

1.0 3

• Check carefully to see if the packaging or machine has been damaged during
delivery. 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

1.8 Handling and storage

The machine should be stored in a dry, warm location when not in use. Otherwise it may
become damaged by condensation and coldness.

Introduction

HTC GL

270/400/450/550

4 1.0

1.9 Vibration and noise

Warning!

Always use ear muffs when using the machine.

1.9.1 Hand and arm vibrations

Hand and arm weighted vibration level [m/s²] for HTC GL 550 HTC GL 450 HTC GL
400 HTC GL 270 have been measured with equipment approved according to ISO
5349-1:2001. The measurement uncertainty for the measurement apparatus has been
measured 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
should be taken by the employer to ensure that the exposure time does not exceed the
time specified in the table below.

1.9.2 HTC GL 270

Identified work conditions Measured values

[m/s²]

Daily permitted exposure
(number of hours)

Grinding/polishing 2,43 Unrestricted

Floor preparation (T-rex) 9,37 2,28

1.9.3 HTC GL 400

Identified work conditions Measured values

[m/s²]

Daily permitted exposure
(number of hours)

Grinding/polishing 2,77 Unrestricted

Floor preparation (T-rex) 4,83 8,56

1.9.4 HTC GL 450

Identified work conditions Measured values

[m/s²]

Daily permitted exposure
(number of hours)

Grinding/polishing 1,16 Unrestricted

Floor preparation (T-rex) 2,35 Unrestricted