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Multi Station
Vicat Test Apparatus

44

5.6 Changing the brushes

The apparatus is equipped with a cleaning system. Depending on the version, it contains a cleaning sys-
tem for needle or cone (for gypsum) or both of them.

5.6.1 Cleaning system for needles

When the brushes wear down so far that they don´t clean the needle any more, the brushes have to be
changed.
To do so, bring the apparatus into maintenance position section

Figure 49: brushes change in needle washing unit

Loosen the screws and pull the brushes out of the holders.

Note



To reach screws with the key, turn the brushes into position manually.

Insert new brushes and tighten the screws again.
Quit maintenance position (section

Loosen screws

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Содержание 1.0366

Страница 1: ...testing de 1 Operating Manual Multi Station Vicat Needle Testing Apparatus Model Material Standard PC controlled model with places Cement Gypsum EN ASTM 1 0366 X X 6 1 0366 ASTM X X 1 0366 EN_ASTM X...

Страница 2: ...1 Position of the washing device depends on the variant 30 5 1 1 Selecting washer 32 5 1 2 Enable Disable usage of dryer 32 5 2 Setting the coordinates of the washer the dryer the samples and determi...

Страница 3: ...stations machine 31 Figure 31 all tests disabled 32 Figure 32 selection window to activate the build in washer unit 32 Figure 34 selection window set coordinates of washing unit 34 Figure 35 setting t...

Страница 4: ...gure 66 recursions error message 56 Figure 67 message broken needle 56 Figure 68 message drop rod missing 57 Figure 69 message searching for drop rod 57 Figure 70 message drop rod present 57 Figure 71...

Страница 5: ...and express approval The apparatus serves exclusively to measure the setting times of cement The beginning and end of the setting process are determined from the way in which a steel needle penetrates...

Страница 6: ...to exclude any risk of fatalities injuries damage to the equipment or improper operation Safety markings are as follows Caution This warning refers to dangers that could cause material damage Danger T...

Страница 7: ...If this inspection is satisfactory the device may be accepted from the freight forwarder railways parcel service or other haul age company If there are no shortcomings and if there are no transport d...

Страница 8: ...EN ASTM 6 stations Cement 1 13mm 1pc 2pcs spare 1mm 1pc 2pcs spare 70 80 mm 6 pieces 65 75 mm 6 pieces 6pcs 2pcs spare 1 pair 1 piece 1 0367 8 stations Cement 1 13mm 1pc 2pcs spare 70 80 mm 8 pieces 8...

Страница 9: ...which the device is installed Caution The manufacturer of the equipment cannot be held liable for any damages that result because the information here is not observed Electrical tolerances Actual volt...

Страница 10: ...ght of drop rod 300g 1 100g 1 Additional weight 700g 1 Test cycles The apparatus supports various test cycles whereby one of the penetration patterns can be combined with one of the cycle times 4 8 12...

Страница 11: ...ssary Plug the testing apparatus into the 230 V 50 Hz mains using the supplied cord Make sure that the Emergency Stop switch is unlocked Switch ON the red main switch on the front There is a fix insta...

Страница 12: ...t you will find on the CD in the folder according to your op erating system Or b device manager Right click USB Adapter and choose install driver Then click manual search for driver NOT automatic sear...

Страница 13: ...purposes has been entered the procedure ends by cleaning the needle and displaying ready message shown in Figure 7 The VicatMPM device is ready and waiting for synchronization with Date and Time from...

Страница 14: ...height in the basin should be approx 55 mm after venting without samples upper edge of the flow guide For each sample the water level rises by approx 2 5 mm Caution To prevent damage of the heat exch...

Страница 15: ...The temperature control is designed for an ambient room temperature of approx 20 C laboratory conditions If the ambient temperature differs too greatly from this then adherence to the set water temper...

Страница 16: ...r at least 4 seconds you will get into a parameter list for the control parameters these parameters begin with P1 You can use the UP button to move the list upward and the DOWN button to scroll downwa...

Страница 17: ...meter Description of the function Setting range A1 switch mode contact 1 0 heating contact 1 cooling contact A2 switch mode contact 1 0 heating contact 1 cooling contact A8 actual value display mode 0...

Страница 18: ...ump should continue to run and only the temperature control to be switched off by pressing the standby button The controller display shows the message OFF This avoids accumulation and solidification o...

Страница 19: ...rop rod plass an additional weight of 700gh so that the total weight is 1000g 1g EN 480 The EN 480 standard stipulates that the needle should be stopped 3mm above the glass plate For this purpose the...

Страница 20: ...ve maintenance position Note If the drop rod is caught by the buffer above the glass plate the detection of broken needle no longer works The zero heights may only be measured with a drop rod that fal...

Страница 21: ...te only 4 6 und 8 station devices and disconnect temperature control wire from control cabinet Then connect Y Wire and lead it to the outside underneath the device Figure 15 open housing Pull off hose...

Страница 22: ...60 C 3 2 4 Consistency plunger To check the normal consistency by a Vicat device you can use a consistency plunger which is available as optional accessories It has the same weight like the Vicat need...

Страница 23: ...sible to clean the consistency plunger in the cleaning unit To clean or to replace the consistency plunger please run to maintenance position like described in section 4 6 Note For measuring the stand...

Страница 24: ...catMPM application software Note With the VicatMPM Software you are able to determine standard consistency initial time of setting and the final time of setting of cement or gypsum samples Final time...

Страница 25: ...ger if sample has normal consistency Quantity of water Amount of water given to the sample Zero time Time when water is added to the cement Comment Free for comments Operator Name of operator Area of...

Страница 26: ...urement the needle will be cleaned in the washing unit The position and type of the washing unit varies according to the design of the appliance section 5 1 Figure 21 washing unit for needle Note Once...

Страница 27: ...gency stop can only be cleared from the PC software upon which the apparatus will perform a reference search and then continue the tests The current tests should be interrupted if samples need to be r...

Страница 28: ...le does not reach the glass plate rubber buffer set higher the needle break detection will not function Other reports from the monitoring routines see section 7 4 6 Running to maintenance position In...

Страница 29: ...26 Figure 26 running to maintenance position When and only when the drop rod has reached maintenance position and the display shows VicatMPM is in maintenance position Figure 27 open the cover flap a...

Страница 30: ...es to all machines Machine with one washing unit is equipped either with NWU or CWU always at position 1 Machine with two washing units is equipped with NWU always at position 1 and CWU always at posi...

Страница 31: ...ition 1 CWU at position 1 NWU at position 3 NWU at position 1 and CWU at position 2 Figure 29 positions of the washing unit at 8 stations machine NWU at position 1 CWU at position 1 NWU at position 1...

Страница 32: ...andset unit will show depending on the machine one of two selection windows of the Figure 30 Now you can activate the built in washer by pressing the assigned number Figure 31 all tests disabled when...

Страница 33: ...hine type 4 6 8 and 12 Determine zero levels After choosing washer unit for cone it is Set washer unit coordinates Set dryer coordinates Set sample coordinates The number of samples depends on the mac...

Страница 34: ...r samples until finally to the window for determination of zero levels Press 3 button if you want to go back to the previous window Press the C button to exit the special menu for setting the coordina...

Страница 35: ...r determination of zero levels Press 3 button if you want to go back to the previous window Press the C button to exit the special menu for setting the coordinates The machine performs a reference sea...

Страница 36: ...d sample The next window XY coordinates of Sample N 1 appears Figure 38 window for setting coordinates of sample 1 To set the coordinates of a sample proceed as follows Select an axis Press button 1 t...

Страница 37: ...lane in X direction and Y direction is determined for each sam ple separately Xo zero point coordinate X axis Yo zero point coordinate Y axis Zo zero point coordinate Z axis The inclination of each gl...

Страница 38: ...isplay remains unchanged because there is no follow up window Press button C to exit the selection window The needle moves into so called parking position and the apparatus reports its readiness Figur...

Страница 39: ...ments The display of the handset unit shows then following message Figure 31 Now you can press the button E on the handset unit The display shows the selection window for setting the penetra tion time...

Страница 40: ...te instead Note Caution Needle Break recognition will be without function then Behind the drop rod is a screw with the rubber buffer screwed onto it This screw is secured by a nut Hood and drop rod ar...

Страница 41: ...o the maintenance position section 4 6 4 Reinsert the drop rod close the flap and lock it Quit maintenance position section 4 6 Figure 45 changing the needle 1 Turn the dot on the knurled screw to fro...

Страница 42: ...switch open both ball valves and drain some water to carry out any air bubbles from the system Then close the ball valves and turn on temperature controller switch again Repeat above procedure if nec...

Страница 43: ...ater circulation system or in the case of pump damage Attention We recommend cleaning of the filter once a week but at the latest when the flow rate falls below F 50 This action protects the heat exch...

Страница 44: ...n the brushes wear down so far that they don t clean the needle any more the brushes have to be changed To do so bring the apparatus into maintenance position section 4 6 Figure 49 brushes change in n...

Страница 45: ...or gypsum Attention Please check the fixation of the immersion cone at least once a month A cone that works loose can cause damage at the Vicat device Attention Make sure that filter is clean and ther...

Страница 46: ...ceptacle into the washing unit by rotating it counterclockwise Do not tighten the receptacle Dryer gadget for cone To clean the brush holder turn it until the screw heads are free and pull it out then...

Страница 47: ...tridge can now be removed and cleaned as described in chaptert 5 5 If the filter tank has to be cleaned it can be removed after disconnecting the connections The pump of the filter tank is not waterpr...

Страница 48: ...itch off the pump and open the ball valve to drain some water off Then close the ball valve and fill up with water up to the first edge of the filter tank Switch the pump on again and check whether th...

Страница 49: ...ve chalk deposits with citric acid Figure 55 cleaning the water basin Attention Do not loosen the pins that holds the fixation plates The basin will leak After removing fixation plates please check th...

Страница 50: ...he device on the right side instead inside of it To use the apparatus with a tempered water bath the valves of the filter tank have to be closed Figure 56 and Figure 57 Figure 56 apparatus with 4 6 or...

Страница 51: ...emperature of the room is lower than that set in the device the device heats up Each time the appliance cools the humidity drops slightly Note If the humidity sensor shows 0 it is either wet or dirty...

Страница 52: ...367 ASTM Note To achieve faster desired humidity within the device switch off cooling while pump is still working Please press the indicated button 3 seconds OFF Venting valve with tube foam Temperatu...

Страница 53: ...1 0368 ASTM The handling of this 12 stations Vicat needle device is similar to device with 8 stations The ASTM cover is also similar to the cover of device with 8 stations section 6 2 with appropriat...

Страница 54: ...4 6 4 1 0366 EN ASTM changeable types 6 4 1 EN water level 55mm without samples Figure 61 EN version Insert inlet sleeve After filling the basin with water insert filter Cover humidity sensor with sil...

Страница 55: ...aratus 55 6 4 2 ASTM water level min 10mm Figure 62 ASTM version Open ball valve Put in plugs for ASTM Insert sponge ASTM only Mount tube for venting and insert it into filter tank Mount ASTM Inlet Ma...

Страница 56: ...ted and the tests will be continued A message also appears on the PC status bar as long as the machine status remains unchanged After this so called dynamic disturbances the software attempts to maint...

Страница 57: ...message searching for drop rod A detected drop rod is reported with the following status display Figure 69 message drop rod present Should the drop rod come loose from its holder while running which...

Страница 58: ...handset unit is updated continuously Figure 72 view of a measurement window The first row of the handset display shows the last measured test point TP 12 of a sample sample 3 Row two displays the test...

Страница 59: ...ous view 2 during setting positions select Z Axis 1 Pressing this key during start up enters menu to input parameters for the humidity sensor ASTM 2 Pressing the key inside menu for humidity parameter...

Страница 60: ...TESTING Bluhm Feuerherdt GmbH This Operating Manual is intended for Operators and their staff It contains instructions and data that may NOT be Reproduced Distributed or Provided to any third party An...

Страница 61: ...as well as the further applied direc tives below including changes to these applicable at the time of declaration The following further EU directives were applied Low voltage Directive 2014 35 EC The...

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