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TeST TT AUT-MARSHALL-CBR, Manual

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Contents 

 

 

Section 

Page 

 

 

WARNING   

3 

 

1 

Introduction 

5 

 

2 

Specification 

6 

 

3 

Installation 

6 

 

4 

Controls 

7 

 

5 

Setting up for CBR tests 

10 

 

6 

Setting up for Marshall tests 

12 

7 

Setting up for Quick Undrained Triaxial tests 

14 

  8 

Maintenance 

15 

  9 

Connecting a DSU Readout device 

16 

 

CE

 

Declaration of Conformity 

 

WEEE Directive 

 

 

 

 

 
 

Original Instructions 

2 

Summary of Contents for TT AUT-MARSHALL-CBR

Page 1: ...STRUCTIONS MANUAL AUTOMATIC MACHINE FOR CBR AND MARSHALL WITH LOAD FRAME MARSHALL ASPHALT ANALYSIS METHOD Model TT AUT MARSHALL CBR File No TEST V2 3 EN Publication Date Sept 30 2021 Print Date Oct 5 2021 ...

Page 2: ... 3 Installation 6 4 Controls 7 5 Setting up for CBR tests 10 6 Setting up for Marshall tests 12 7 Setting up for Quick Undrained Triaxial tests 14 8 Maintenance 15 9 Connecting a DSU Readout device 16 CE Declaration of Conformity WEEE Directive Original Instructions 2 ...

Page 3: ...pment There may still be dangerous voltages present at power terminals motor output supply input phases DC bus and the brake where fitted when the motor is at standstill or is stopped For measurements use only a meter to IEC 61010 CAT III or higher Always begin using the highest range CAT I and CAT II meters must not be used on this product Allow at least 5 minutes for the drive s capacitors to di...

Page 4: ...lumn Fitting for load ring Locking nuts Adjustment nuts Alignment studs Display Platen Holes for tommy bar Emergency stop switch Touch panel keypad Manually applied platen movement Figure 1 Original Instructions 4 ...

Page 5: ...rolled electronics are housed in the machine base Limit switches are fitted to prevent over travel on the up and down stroke of the platen The user controls the machine via the front panel display screen and keypad A simple menu system provides speed control and all set up operations As well as the limit switches the operator is protected by a stall detection system large emergency stop button and...

Page 6: ... the axial strain transducer when using a 100mm triaxial cell and load ring Power lead with moulded socket for connecting to the mains supply Communications cable RS232 for connecting the machine to a DSU readout device 3 Installation 3 1 The machine must be installed on a bench that is both level and designed to support the gross weight of the machine samples and ancillary equipment 3 2 This equi...

Page 7: ...tch at the rear of the machine This will switch on the power to the machine The display will briefly indicate Multiplex 50 before indicating the selected platen speed The LCD display has a back light which is illuminated when the machine is switched on 4 2 Emergency stop switch This is the large red knob on the front panel Pressing this switch stops the platen from travelling in either direction W...

Page 8: ...o main screen Use and up down arrow keys to select a different function in this case variable speed Enter a number and press Enter key and keys to select a different function or to select or to select or to select for use with DSU CBR BS 1 00mm min CBR ASTM 1 27mm min UU 38mm 1 42mm min UU 100mm 4 00mm min Marshall BS 50 0mm min Standard Speeds Enter Non Standard Speed Variable Speed 1 mm min 2 in...

Page 9: ...platen reaches the end of its travel before this button is released the limit switch will actuate preventing further upward travel of the paten and the display will indicate Ram Stopped at Upper Limit Ram Stopped at Upper Limit Press DOWN RUN or SETUP to Continue 4 7 DOWN key Pressing this key will cause the platen to lower at maximum speed until the STOP key is pressed or until the platen reaches...

Page 10: ...5 Setting up for CBR tests Load ring Penetration piston Platen adaptor Surcharge weights Stabilising bar CBR Mould Figure 3 Typical CBR test set up Platen Penetration dial gauge Original Instructions 10 ...

Page 11: ... located centrally and at the front of the machine Tighten the locking nuts using a spanner 5 6 To ensure stability and central location of the penetration piston the stabilising bar must always be used When using the maximum number of surcharge weights it may be necessary to clamp the stabilising bar to the threaded part of the columns In this case it is recommended that packing pieces i e alumin...

Page 12: ...all tests Load ring Ball nipple removed from load ring Stabilising bar Load stud Breaking Head Platen Figure 4 Typical Marshall test set up Adaptor supplied with the Stability piston Stability piston Original Instructions 12 ...

Page 13: ...ance between the ball nipple and the load stud on the Breaking head See figure 5 6 5 Ensure that the Stabilising bar is in position before commencing the test It is important to set the Stabilising bar at a height that will not impede the raising of the platen and Breaking head 6 6 Operate the machine so that the platen travels to its lowest position With the Breaking head on the platen fit the ca...

Page 14: ...key and return the platen to its lowest position 7 Setting up for Quick Undrained Triaxial tests Axial strain transducer Extended ball nipple Load ring Triaxial cell Platen Figure 6 Typical Quick Undrained Triaxial test set up see note below PLEASE NOTE The displacement transducer shown in the diagram can only be 7 1 Refer to the relevant standard for full details of the Quick Undrained Triaxial t...

Page 15: ...as convenient or totally remove the crosshead and case If the case is to be removed then firstly disconnect the ribbon type cables from the keypad display from the microprocessor PCB the cable from the Emergency Stop switch from the dc drive PCB and the earthing lead It is crucial that all connectors are replaced in the correct orientation make a note of their position before disconnecting them 8 ...

Page 16: ...be downloaded to a PC The DSU also provides several other features such as automatic overload shut off automatic logging start automatic checking of speed selection and peak force displacement display There are 2 DSU connections on the rear one provides a serial link 9 way RS232 connector and the other provides machine identification and remote shut off functions round connector The default serial...

Page 17: ...DIRECTIVE ON WASTE ELECTRICAL ELECTRONIC EQUIPMENT WEEE ...

Page 18: ......

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