KNECHT HV 150 User manual

Status 01.2024 Version 2.1 | Translation
Operating Instructions
Hand Knife Grinding Attachment
HV 150

Operating Instructions
3
Hand Knife Grinding Attachment HV 150
Manufacturer
KNECHT Maschinenbau GmbH
Witschwender Straße 26
88368 Bergatreute
Germany
Phone [phone]
Fax [phone]
[email protected]
www.knecht.eu
Documents for machine operator
Operating Instructions
Date of issue of the operating instructions
January 22, 2024
Copyright
These operating instructions as well as the operating documents remain the copyright property of KNECHT
Maschinenbau GmbH. They are supplied only to customers and operators of our products and belong to
the machine.
Without our express permission, these documents may neither be duplicated nor made accessible to third
parties, in particular competitor companies.

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1. Important notes 7
1.1 Preface to the operating instructions 7
1.2 Warnings and symbols in the operating instructions 7
1.3 Figure and item numbers in the operating instructions 8
2. Safety 9
2.1 Basic safety instructions 9
2.1.1 Observe notes in the operating instructions 9
2.1.2 Obligation on the part of the operator 9
2.1.3 Obligation on the part of the personnel 9
2.1.4 Hazards involved in handling the sharpening machine 9
2.1.5 Malfunctions 10
2.2 Intended use 10
2.3 Warranty and liability 10
2.4 Safety regulations 11
2.4.1 Organizational measures 11
2.4.2 Protective equipment 11
2.4.3 Informal safety measures 11
2.4.4 Selection and qualification of personnel 11
2.4.5 Machine control system 12
2.4.6 Safety measures in normal operation 12
2.4.7 Hazards due to electrical power sources 12
2.4.8 Particular hazard areas 12
2.4.9 Servicing (maintenance, repair) and fault rectification 12
2.4.10 Structural alterations to the grinding attachment 13
2.4.11 Cleaning the grinding attachment 13
2.4.12 Lubricants/oils and greases 13
2.4.13 Relocation of the sharpening machine with grinding attachments 13
3. Description 14
3.1 Intended use 14
3.2 Technical specifications 14
3.3 Functional description 14
3.4 Description of assemblies 15
4. Transport 16
4.1 Transport aids 16
4.2 Transport damage 16
4.3 Transport to another installation site 16
Table of Contents

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Table of Contents
5. Installation 17
5.1 Selection of qualified personnel 17
5.2 Installation site 17
5.3 Settings 17
5.4 Initial start-up of the grinding attachment 17
6. Commissioning 18
6.1 Fitting the HV150 Hand Knife Grinding Attachment 18
6.1.1 Fitting CBN grinding wheels 18
6.1.2 Fitting the HV150 Hand Knife Grinding Attachment 22
6.1.3 Aligning the HV150 Hand Knife Grinding Attachment 23
7. Operation 25
7.1 Sharpening hand knives 25
7.1.1 Switching on the sharpening machine 25
7.1.2 Coolant regulation 25
7.1.3 Sharpening the hand knife 26
7.1.4 Deburring and polishing the hand knife 27
7.2 Changing CBN grinding wheels 28
8. Care and maintenance 30
8.1 Cleaning 30
8.1.1 Cleaning agent and lubricant table 30
8.2 Maintenance plan (one-shift operation) 30
9. Disassembly and disposal 31
9.1 Disassembly 31
9.2 Disposal 31
10. Service, spare parts and accessories 32
10.1 Postal address 32
10.2 Service 32
10.3 Wear and spare parts 32
10.4 Accessories 33
10.4.1 Abrasives used 33

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11. Appendix 34
11.1 EU Declaration of Conformity 34
Table of Contents

CAUTION
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1.1 Preface to the operating instructions
These operating instructions are intended to make it easy to learn how to use the HV150 Hand
Knife Grinding Attachment, hereafter referred to as grinding attachment and to properly utilize its
features.
These operating instructions contain important notes on how to operate the grinding attachment
safely, properly and efficiently. Observing these instructions helps to avoid hazards, reduce repair
costs and downtimes and to increase the reliability and service life of the grinding attachment.
The operating instructions must always be stored in the location that the grinding attachment is
used.
The operating instructions must be read and applied by every person tasked with working with
the grinding attachment, e.g.:
• transport, installation, commissioning
• operation, including error rectification during operation, as well as
• servicing (maintenance, repair).
Recognized technical standards for safe and professional work must be observed in addition to
these operating instructions and the binding accident prevention regulations applicable in the
country of use and at the place of use.
1.2 Warnings and symbols in the operating instructions
The operating instructions use the following symbols/designations that must be followed:
The hazard triangle with the signal word “CAUTION” serves as a work
safety notice for all work for which there is a risk of personal injury or
death.
In these cases, work should be done with special attention and care.
ATTENTION “ATTENTION” is written in places where special attention must be paid to
prevent damage or destruction of the grinding machine or its surroundings.
NOTE “NOTICE” refers to user tips and especially useful informations.
1. Important notes

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1.3 Figure and item numbers in the operating instructions
If the text makes a reference to a machine component depicted in a figure, the figure and
position number will be given in brackets.
Example: (6-9/1) means picture number 6-9, position 1.
Move the second CBN grinding wheel (6-9/1) onto the
grinding spindle up to the intermediate flange (6-8/1).
Figure 6-9 Mounting the second CBN grinding
wheel
1. Important notes
1

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2.1 Basic safety instructions
2.1.1 Observe notes in the operating instructions
The basic prerequisite for the safe handling and uninterrupted operation of this grinding
attachment is knowledge of the basic safety instructions and regulations.
• These operating instructions contain important notes on how to operate the grinding
attachment safely.
• All persons carrying out work on the grinding attachment must follow these operating
instructions, in particular the safety notices.
• In addition, the rules and regulations regarding accident prevention at the place of use are to
be observed.
2.1.2 Obligation on the part of the operator
The operator is obliged to allow only those persons to work on the grinding attachment, who
• are familiar with the occupational safety and accident prevention regulations and have received
instruction in handling the grinding attachment,
• have read and understood the operating instructions, in particular the section entitled “Safety”
and the warning notes and have provided signed confirmation of this.
The safety-awareness of the personnel at work will be monitored at regular intervals.
2.1.3 Obligation on the part of the personnel
All personnel working on the grinding attachment shall be obliged, before starting work, to
• observe basic occupational safety and accident prevention regulations,
• read the operating instructions, particularly the section entitled “Safety” and the warning notes
and provide signed confirmation that they have understood them.
2.1.4 Hazards involved in handling the sharpening machine
The grinding attachment has been built to the latest technological standards and the recognized
rules of technical safety. In spite of this, its use poses inherent risks which could result in bodily
harm or even death of the user or third persons, or damage to the sharpening machine or other
property.
The grinding attachment may be used only
• for its intended purpose
• in a safe and secure condition.
Malfunctions that may impair safety are to be eliminated immediately.
2. Safety

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2.1.5 Malfunctions
If safety-relevant malfunctions occur with the grinding attachment, or if the processing behavior
indicates that such malfunctions may have occurred, the sharpening machine must be stopped
immediately and until such time as the malfunction has been found and eliminated.
Allow only authorized trained personnel to eliminate the malfunctions.
2.2 Intended use
The grinding attachment is exclusively suitable for sharpening hand knives.
Any other use or use beyond this is not considered as intended. KNECHT Maschinenbau GmbH is
not liable for any damage resulting from this. The risk is borne solely the user.
Intended use also includes observing all instructions in the operating manual.
ATTENTION The grinding machine and the HV150 Hand
Knife Grinding Attachment are not being
used as intended if, for example:
• Devices are not properly fastened.
• Knives are sharpened/polished against the
cutting edge on the wet-grinding belt and
the polishing disk.
2.3 Warranty and liability
Warranty and liability claims in case of personal injury or property damage are excluded if such
damage is attributable to one or more of the following causes:
• improper use of the grinding attachment,
• improper transport, commissioning, operation and maintenance of the grinding attachment,
• operating the grinding attachment with defective safety devices, or using improperly attached
or malfunctioning safety and protective equipment,
• failure to observe the instructions with regard to transportation, commissioning, operation,
maintenance and repair of the grinding attachment,
• unauthorized structural alterations to the grinding attachment,
• unauthorized modification, e.g. of the drive conditions (output and speed),
• failure to monitor machine parts that are subject to wear, and
• use of unapproved replacement and wear parts.
2. Safety

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Use only original replacement and wear parts. If externally purchased parts are used, it is not
guaranteed that they have been designed and manufactured to meet the requirements in terms
of stress and safety.
2.4 Safety regulations
2.4.1 Organizational measures
Inspect all available safety devices regularly.
Observe prescribed intervals for recurring maintenance work or as specified in the operating
instructions!
2.4.2 Protective equipment
Before every commissioning of the grinding attachment, ensure that all protective equipment is
properly mounted and in functional condition.
Protective equipment may be removed only after the sharpening machine has stopped and has
been secured against accidental restart.
When attaching spare parts, the protective equipment must be attached by the operator as
stipulated.
2.4.3 Informal safety measures
The operating instructions must be permanently available at the place of use of the grinding
attachment. In addition to the operating instructions, the generally applicable as well as locally
relevant accident prevention regulations must also be made available and observed.
All safety alert symbols and hazard warnings on the sharpening machine must be complete and
clearly legible.
2.4.4 Selection and qualification of personnel
Only trained and instructed personnel may work on the grinding attachment. Observe the legally
permitted minimum age!
The responsibilities of personnel with respect to commissioning, operation, maintenance and
repair must be clearly specified.
Personnel still undergoing training or instruction may only work on the grinding attachment
under the permanent supervision of an experienced person!
2. Safety