RIDGID metal detector Guia do Utilizador Página 54
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Installation
■ If the conveyor is fitted with feet, you are recommended to apply silicone sealant around the
feet and floor.
Clearance Requirements
From safety and operational viewpoints, it is important that sufficient free space is left around the
machine, specifically the front and back, to enable commissioning and for maintenance personnel to
easily gain access to components.
It is recommended that wherever possible a minimum of 1 metre free space is available at the front of
the machine and 1 metre at the rear.
Connecting the Air Supply
Do not start the machine and initiate the use of any compressed air before the Loma
commissioning engineer has approved the installation.
Except where a metal detector head only is being supplied, all Loma metal detector systems require a
clean and dry compressed air supply, primarily to operate the optional automatic reject system.
It is therefore essential that the air supply is robust enough for correct operation of the system when
the reject operates.
■
Pneumatic Assembly – The pneumatic system consists of the following components:
o
Isolator Switch – The external air supply is connected to the switch which is used to turn
the supply to the system on and off. The air supply is then fed into the Air Regulator.
The Isolator Switch can be locked in the ‘OFF’ position using a padlock to prevent accidental
operation whilst carrying out servicing and maintenance activities.
o
Air Regulator – The air regulator is used to set the air pressure being supplied to the
system. A drain trap is provided to remove any water that collects in the system. See the
Maintenance section for further details. The air supply is then fed into the Dump Valve.
o Dump Valve – The dump valve is a safety device that dumps air pressure from the system
in an emergency to protect the operator. It also includes a soft start feature which allows
air pressure to build slowly following an air pressure dump to prevent damage or injury.
The air supply is fed from the valve to the input connection on the Reject Valve.
44
- Metal Detector User Guide 1
- Table of Contents 3
- Introduction 11
- About this Guide 12
- Organisation 13
- Document Change Control 14
- Document Key 14
- The Loma Group of Companies 16
- About Metal Detection 17
- How a Metal Detector Works 18
- Product Effect and Phasing 18
- Phasing 19
- Tracker Feature 20
- Metal Free Zone 20
- Detector Performance 20
- Types of Metal 22
- Test Frequency 23
- Product Test Samples 23
- Test Wands 24
- Testing Guidelines 24
- Test Records 24
- Learn Feature 25
- Safety First 27
- Safety Awareness 28
- EC Declaration of Conformity 28
- Safety Warnings 29
- Safety Labels 31
- Safety Guards 32
- Safety Measures 33
- Intended Use of the Machine 33
- Noise Levels 34
- End of Life Treatment 34
- Emergency Procedures 34
- Quality Assurance 35
- End User Licence Agreement 36
- Technical Specifications 37
- European Belt Conveyors 38
- Installation 39
- Warnings 40
- Receiving and Unpacking 40
- Moving the Detector Head 40
- Nuisance triggering 45
- Moving Metal 46
- Vibration 47
- Belting 47
- Electrical Interference 47
- Warnings 52
- Moving the Machine 53
- Clearance Requirements 54
- Connecting the Air Supply 54
- Checking Guards 57
- Site Considerations 58
- Radio Frequency Interference 59
- Metal Detector Search Heads 62
- Conveyor Belts 63
- Plastic Modular Belts 64
- Reject Devices 65
- Electrical Services Box 67
- Air Pressure Switch 67
- Optional Equipment 68
- Getting Started 71
- threshold 72
- display 72
- changes 72
- User Access 75
- Logging In and Out 76
- Starting and Stopping 77
- Stopping the Machine 78
- Emergency Stop 78
- Using the Metal Detector 79
- Handling Rejected Products 81
- Getting the Results 82
- Frequency Selection 82
- Operating Instructions 83
- Setting the Language 84
- Setting the Machine ID 84
- Setting Up the Search Head 86
- Setting Up the Conveyor 88
- Setting the VF Balance 92
- Setting the VF Drive 94
- Setting Up the User Options 95
- Setting Up Serial Links 96
- Reject Relay 101
- Reject Timing 101
- Adding a New Product 102
- Learning Products 104
- Full Learn 105
- Update Learn 106
- Learn Messages 107
- Learn Setup 108
- Learn Limits 110
- PQ span? 111
- Using Performance Validation 112
- Logs and Reports 117
- Errors Report 118
- Example Problems 119
- Faults Report 120
- Setup Report 123
- Contaminants Report 124
- Learn Report 125
- Status Report 126
- PV Test Report 126
- Batch Report 127
- Shift Report 128
- Contaminants Log 128
- Errors Log 129
- Faults Log 130
- Printing the Faults Report 131
- Clearing a Fault 131
- Clearing the Log 131
- Batch Log 132
- PVS Log 133
- Shift Log 134
- Maintenance 135
- Cleaning solutions 136
- Belt conveyor versions 136
- Conveyor Belt Maintenance 137
- Adjusting the Reject Devices 138
- Software Upgrades 138
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