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Manuals
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Lloyd Manuals
Test Equipment
LS SERIES
Service manual
Lloyd LS SERIES Service Manual
Materials testing machines 1kn/2.5n/5kn capacity
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Contents
Table of Contents
Bookmarks
Table of Contents
1 Overview
Table of Contents
1 Overview
Scope of Manual
General
Full Control Console
Hand Held Remote
Battery Memory (RAM)
Changing a Loadcell
Computer Control
Electronic Pcbs and Power Supply
Load Measuring System
Extension Measuring System
Crosshead Drive System
User Limit Switches
Compression Cut-Out
Mains On/Off Switch and Main Input Fuses
Safeline Button and Emergency Stop Switch
Optional Splinter Shield
2 Microprocessor Circuits
General
USB Interface
Console Keypad
Motor Control Signals
Limit Switches
Splinter Shield Wiring
3 Program Information
Upgrading the Program
4 Load Measuring System
Loadcell
Loadcell Gradings
General
Loadcell Bridge Supply
Loadcell Amplifier
Loadcell Value
Analogue to Digital Converter
Overload Detector
5 Extension Measuring System
Internal Extension Measurement
External Analogue Extensometer
Analogue to Digital Converter
External Encoder Extensometer
6 Power Supplies
Mains Connections
DC Supplies
Machine Type EEPROM
7 Crosshead Drive System
General
PWM Driver
Motor Overcurrent Detector
Power Dump Circuit
Safeline Circuit
8 Mechanical Assemblies
General
Performance Checks
Cleaning
Removing the Lower Cover
Opening the Full Control Console
Opening the Hand Held Remote
Removing the Top Cap
Lubrication
Lower Eye End Alignment
Adjusting the Drive Belt Tension
Replacing the Drive Motor, Gearbox and Encoder
Replacing the Loadcell Loom
Removing the Mechanical Assembly
Dismantling the Mechanical Assembly
Replacing a Limit Switch
YLC Loadcell Threads
Grip through Pin
9 Calibration Procedure
General
Checking the Extension Measurement
Checking the Crosshead Speed
Load Calibration Principle
Load Calibration Procedure
10 Fault Finding
General
Mains Supply Checks
Analogue and Digital Supplies
Motor Drive Supplies
Table of Power Supplies
Error Messages
Fault Finding Charts
11 Diagnostic Modes
General
Selecting the Diagnostic Mode
Loadcell Verification
Installing an External Extensometer
Converting an Analogue Extensometer
Converting an Encoder Extensometer
Extensometer Verification
PC Diagnostic Mode
12 Full Control Console Diagnostics
General
Selecting the Internal Diagnostic Mode
Setting the Machine Type and Serial Number
Changing the Loadcell Value and Serial Number
Checking the Loadcell Offset and Overloads
Loadcell Calibration
Loadcell Calibration
Setting the Extensometer Type and Serial Number
12.8 Calibrating an Analogue Extensometer
Calibrating an Encoder Extensometer
12.10 Exporting and Importing Loadcell Data Points
13 Nexygen Plus 3 Diagnostics
General
Selecting the NEXYGEN Plus 3 Diagnostic Mode
Setting the Machine Type and Serial Number
Changing the Loadcell Value and Serial Number
Checking the Loadcell Offset and Overloads
Loadcell Calibration
Loadcell Calibration
Setting the Extensometer Type and Serial Number
13.8 Calibrating an Analogue Extensometer
Calibrating an Encoder Extensometer
14 Spare Parts
Spares List
15 Modifications
16. Mechanical Drawings
16 Mechanical Drawings
Mainframe - View of Left Side
Mainframe - View of Right Side
Ls1 Mainframe - Sheet 1
LS1 Spare Parts
Ls2.5 and Ls5 Mainframe - Sheet 1
LS2.5 and LS5 Spare Parts
Pogo Mounting Details
01/3871 5N YLC Loadcell
01/3872 10N YLC Loadcell
01/3873 20N YLC Loadcell
01/3874 50N YLC Loadcell
01/3875 100N YLC Loadcell
01/3876 250N YLC Loadcell
01/3877 500N YLC Loadcell
01/3878 1000N YLC Loadcell
01/3879 2500N YLC Loadcell
01/3880 5000N YLC Loadcell
09/1046 Internal Safety Shield Cable
09/1047/0B Extensometer Adaptor Cable
04/1408 Early Extensometer Amplifier PCB
04/1451 Loadcell Amplifier PCB
04/1455 Main Pcb Sheet 1
04/1455 Main Pcb Sheet 2
04/1455 Main Pcb Sheet 3
04/1455 Main Pcb Sheet 4
04/1456 Hand Held Remote PCB
04/1458 Motor Drive PCB
04/1460 Control Console PCB
04/1461 Extensometer Interface PCB
04/1463 Later Extensometer Amplifier PCB
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Error Messages
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LLOYD INSTRUMENTS LTD
SERVICE MANUAL FOR THE
LS1, FT1, TA1, LS2K5 AND LS5
MATERIALS TESTING MACHINES
ISSUE 4.0 - NOVEMBER 2014
PART NUMBER 01/3936
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1 Overview
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16. Mechanical Drawings
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Table of Contents
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Test Equipment Lloyd LS1 Service Manual
Materials testing machines 1kn/2.5n/5kn capacity (144 pages)
This manual is also suitable for:
Ls1
Ls1e
Ls1p
Ls1x
Ft1
Ta1
...
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Ls2k5e
Ls5s
Ls2k5x
Ls5p
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