Tanaka APM-7 Maintenance Manual Download

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Pensky-Martens Closed Cup

Automatic Flash Point Tester

Model APM-7

Maintenance Manual

Ver 2.0 100501

Tanaka Scientific Limited

Summary of Contents for APM-7

Page 1: ...Pensky Martens Closed Cup Automatic Flash Point Tester Model APM 7 Maintenance Manual Ver 2 0 100501 Tanaka Scientific Limited ...

Page 2: ...d or negligence may result in serious personal injury or death Caution Improper use and or negligence may result in personal injury or equipment damage About this Manual This manual addresses all users of the APM 7 Automated Flash Point Tester It is presumed that the user is familiar with related ISO and ASTM standards and has experience in working with potentially dangerous articles Contents of t...

Page 3: ...y Precautions Warning and Caution indicators Strictly observe the instructions for safe use of the equipment at all times Negligent disregard of the safety precautions outlined below may not only lead to equipment damage but also result in serious personal injury or death Tanaka Scientific Limited will not be liable for any damage or injury resulting from user negligence Warning Never touch the ig...

Page 4: ...lf even in apparently trivial cases Always contact the manufacturer or an authorized distributor if equipment does not function properly Warning Repairs and maintenance work other than described in this manual may be performed only by certified service personnel Warning Always turn off the main switch and remove the power plug from the wall socket before exchanging spare parts Exchanging spare par...

Page 5: ...libration 12 ２３３ Displaying Temperature Correction 13 ２４ External Output Settings 14 ２４１ RS 232C Setting 15 ２４２ Sample ID appears when selected Printer only 19 ２５ Time settings appears when RS_232C setting is Printer and valid when built in clock is equipped 20 ２６ Barometric Pressure Sensor Calibration appears when built in barometric pressure sensor is equipped 20 ２７ Optional Mode Setti...

Page 6: ...nts 31 ４２１ Temperature Sensor 31 ４２２ Flash Detector 32 ４２３ Heater Block 32 ４２４ Photo Micro Sensor 34 ４２５ Electric Igniter 34 ４２６ Interchange of the Ignition Source Gas Æ Electric 35 Appended Fig 1 Control Unit Parts Position Appended Fig 2 Test Unit Parts Position Appended Fig 3 Control Unit Wiring Diagram Appended Fig 4 Test Unit Wiring Diagram ...

Page 7: ...and ignition source application may be wrong and it causes wrong results Clean the cover using some solvents by pushing arm rod which is for manual application Dry the cover well before the next test １２ Confirmation of temperature correction value once per month Confirm temperature correction value is right or not by the procedure described in section ２３３１３ Confirmation of displayed temperatu...

Page 8: ...side covers of the test unit See Fig 1 Rear Cover Fixed Screws Side Cover Fixed Screws Side Cover Lift up then slide back to remove Slide back to remove Windscreen Fig 1 Removing Rear Cover and Side Covers 5 Re connect signal connecting cable and power connecting cable to the test unit 6 Reinsert the power plug to the wall socket and turn ON the main switch 7 Press the Up Down key and RESET key th...

Page 9: ...tact the manufacturer or an authorized distributor for repairs 11 After completion of the inspection press the RESET key This will shut the solenoid valve 12 Turn OFF the main switch and remove the power plug from the wall socket 13 Remove signal connecting cable and power connecting cable from the test unit 14 Attach side covers and then rear cover to the test unit 15 Re connect signal connecting...

Page 10: ... when a new igniter is installed If filament output value is high the electric ignitor may be burnt out in a short time Tanaka Scientific Limited will not be liable for burnt out igniter if appropriate adjustment was not carried out by the user Each piece of igniter has a slightly different resistance and thus when a new piece is installed supplied electric power needs to be adjusted For the repla...

Page 11: ...ctric Ignition After entering new output value run a test using CRMs Increase set output value if the obtained flash point was higher than expected decrease it if lower than expected If the obtained flash point was within a range decrease the set output value by 5 and then run a test again The lowest output when the obtained flash point is still within the acceptable range is the best setting for ...

Page 12: ...110V 115V 120V 220V 230V 240V Standard Value 26 24 22 20 22 20 18 Too strong an initial heat would cause hunching of temperature rise rate Too weak an initial heat could not reach the set rate Please input an even number every 2 2 Cool Cooling Time Cooling time can be change from 00min No Cooling to 99min Continuous Cooling 3 First appl First Application Temperature below EXP FP For APM 7 the temp...

Page 13: ...convert following temperature value to degree F b loosen 4 screws then lift Arm Cover upward c Remove the Flash Detector from Test Cover carefully and keep it away from the Cover Note that the tip of Flash Detector is easily broken d Set a standard glass thermometer ASTM 9C through the Flash Detector Collar so that the tip of thermometer positioned 43 46 mm away from inner wall of Test Cover A sil...

Page 14: ...he temperature sensor Offset Value of each correction point Correction between each of the temperature correction points e g at 36o C are determined by linear interpolation APM Temp cal Temp unit o C Temp o C POS 0 40 80 Offset 0 0 0 0 1 0 1 0 80o C 79o C 41o C 40o C 0o C 0o C 40o C 80o C Actual Value of the Temperature Sensor Display Temperature Fig 8 Multi Point Correction 2 Correction by POS Th...

Page 15: ...et value by pressing Up Down key For the next temperature range press FUNCTION key d Press RESET key to return ２４ External Output Settings Press Right Left key to select Ext out blinking from the MENU screen then press FUNCTION key The following External Output Setting Screen will appear Press Right Left key to select items each value is blinking then change the settings The explanations of each ...

Page 16: ...ash point is detected Outputted when a PC or a printer is connected If set at 0000 initially the first tests prints 0001 ２４１ RS 232C Setting 1 Specification half duplex start stop transmission baud rate 1200 2400 4800 or 9600 bps data length 7 bits parity check even number parity character code ASCII code start bit 1 bit stop bit 2 bits 2 How to change Baud Rate The factory setting is 9600bps To...

Page 17: ...ollows Table 4 Pin Assignment Pin Signal Function Direction 1 GND FG Frame Ground 2 TXD SD Transmitting Data Tester Æ Computer 3 RXD RD Receiving Data Computer Æ Tester 4 RTS RS Connect w pin 5 5 CTS CS Connect w pin 4 6 DSR DR See note 1 Computer Æ Tester 7 GND SG Signal Ground 20 DTR ER See note 2 Tester Æ Computer Note 1 When starting data communication switch this signal line to 0 logic 3V to ...

Page 18: ... with IBM AT compatible is as illustrated below FG TXD RXD RTS CTS DSR DTR SG 20 2 1 3 4 5 6 7 FG TXD RXD RTS CTS DSR DTR SG 20 2 1 3 4 5 6 7 Tester 25P Computer 25P TXD RXD RTS CTS DSR DTR SG 20 2 3 4 5 6 7 RXD TXD DTR GND DSR CTS RTS 8 2 3 4 5 6 7 Tester 25P Computer 9P ...

Page 19: ... 4 letters plus 1 space The flash point is detected during the first application UNDER 5 letters The actual flash point exceeded the safety cut temperature OVER_ 4 letters plus 1 space No of applications The number of ignition source applications when the flash point is detected If the flash point is detected at the 10th application the value is 010 0 8 Operation The tester automatically transmits...

Page 20: ...creen After selected Sample ID Y press RESET key to return MAIN screen press FUNCTION key twice the following Sample ID Entering Screen will appear Fig 12 Sample ID Entering Screen Press Right Left key to move cursor and then change the character by pressing Up Down key It consists of Arabic numerals 0 to 9 alphabet A to Z and some characters space APM Ext out RS_232C Printer Inst No Test No Sampl...

Page 21: ...ne by Pressing FUNCTION key ２６ Barometric Pressure Sensor Calibration appears when built in barometric pressure sensor is equipped Press Right Left key to select Baro cal blinking from the MENU screen then press FUNCTION key The following screen will appear Fig 14 Barometric Sensor Calibration Screen Press Right Left key to select figure below the Set Value blinking then change the settings by pr...

Page 22: ...then turn MAIN switch ON 6 Press RESET key Following Optional mode Setting Screen will appear Fig 15 Optional Mode Setting Screen 7 Press Right Left key to select User mode or S_TAG Invalid is blinking then press Up Down key to be valid It is impossible to set both modes are valid When user mode is valid Press FUNC to next screen appears lower side of the display 8 After finish settings turn off t...

Page 23: ...to return Menu screen 2 Application Setting Press Right Left key to select Appl blinking from the Menu screen then press FUNCTION key The following screen will appear Press Right Left key to select blinking the interval temperature EFP 28 or EFP 28 or Application start temperature then change the value by pressing Up Down key After selected heating rate press FUNCTION key to return Menu screen APM...

Page 24: ...C or above The ignition source begins to apply when the temperature becomes 5 o C below the expected flash point After that the application operation is repeated at each 0 5 o C for an expected flash point below 60 o C and each 1 o C for 60 o C or above ２８ Safety Practice Applicable on ASTM A B mode not applicable on ASTM C mode Safety practice of every 10 C dipping for an expected flash point ab...

Page 25: ...ture of the problem as clearly as possible when notifying the manufacturer or an authorized distributor To address equipment trouble one of the following 2 procedures usually apply The manufacturer ships the spare parts required to repair the component responsible for the malfunction Replacements and inspections are executed by the user or a local agent The user sends the entire unit or the malfun...

Page 26: ...ic Igniter is found defective Replace Electric Igniter TROUBLE REPLACE BATTERY Built in Battery has expired Replace Battery TROUBLE ARM POSITION Arm is not set in place Set the Arm to the original position before test start TROUBLE MOTOR OVERLOAD Stirring motor is stopped Press START key while this trouble message is shown in the display Specimen will be heated without stirring Once turn MAIN swit...

Page 27: ...rned ON CPU board malfunction Replace CPU board Other keys do not work also Replace MAIN board START key does not work Other keys work properly Replace panel switch sheet Other keys do not work also Replace MAIN board COOL WORM key does not work Other keys work properly Replace panel switch sheet Other keys do not work also Replace MAIN board MODE key does not work Other keys work properly Replace...

Page 28: ... work Ignition application does not work never dip Checking method is as follows 1 Prepare digital or analog multitester 2 Turn OFF the main switch and remove the power plug from the wall socket 3 Remove signal connecting cable and power connecting cable from the test unit 4 Remove rear cover and then side covers of the test unit See Fig 1 5 Re connect signal connecting cable and power connecting ...

Page 29: ...MB board 2 Press Right key three times to blink the of under the CL 3 Pressing Up key to turn on 4 Measure the voltage between GND and 3rd pin on the CN6 DC voltage is 24V Æ Cooling fan is defective DC voltage is 0V Æ MMB board is defective 5 Replace defective part Ignition application does not work never dip 1 Remove CN8 connector from MMB board 2 Press Right key five times to blink the of under ...

Page 30: ...by the manufacturer ４１ Replacement of Control Unit Components For the parts location refer to Appended Fig 1 Control Unit Parts Position Always install a new part in the same orientation as the part that was removed Also if wires have to be disconnected make sure to reconnect them in the same way as before Refer to Appended Fig 3 Control Unit Wiring Diagram Loosen 4 screws at the bottom on both s...

Page 31: ...N Board ４１２ ROM As shown in Fig 21 insert the ROM so that the indentation faces the CNB connector ４１３ Internal Battery The internal battery is soldered in place After replacement re enter the data of the Appended Table 1 APM 7 Setting Table in accordance with the adjustment method ４１４ Barometric Pressure Sensor option The barometric sensor consists of sensor unit and power supply IC chip Ins...

Page 32: ...t rear cover next then side covers Rear Cover Fixing Screw Rear Cover Slide Backward Side Cover Fixing Screw Side Cover Slide Up then Slide Backward Windscreen Fixing Screw Windscreen Windscreen Guide Arm Cover Fig 22 Test Unit ４２１ Temperature Sensor 1 Remove arm cover of the test unit See Fig 23 2 Remove wires of the temperature sensor from the terminal 3 Pull out the temperature sensor from th...

Page 33: ...ock mounting section The front hole is used for ground two back holes are used for the heater The guide hole is located by the right side of the ground hole and preventing bad orientation setting Align the the match mark on the heater block top plate with the test unit match mark Orientation Guide Ground Terminal Heater Terminal Match Mark Fig 24 Heater Block Mounting Section Heater Terminal Orien...

Page 34: ...inal Fig 26 Heater Block Reverse Side The replacing procedure of band heater element is as follows 1 Remove wires of heater and ground from their terminals 2 Remove heater support 3 Loosen two heater fixing screws then remove band heater 4 Attach new heater in reverse order ...

Page 35: ...am for Application The reflector covers the photo micro sensor Motor Shaft Height Adjuster Fig 27 Position of Photo Micro Sensor ４２５ Electric Igniter Caution Adjust filament output when a new igniter is installed See 2 1 on page 9 to 10 Insert a thin Phillips driver to the center hole of the igniter terminal Hold the connector of the igniter then pull out it with pushing driver See Fig 28 Termin...

Page 36: ... each other and igniter wires will be not pulled out without pushing center hole When the electric igniter is used as ignition source confirm that the coil of the electric igniter never touch to the test cup The procedure is as follows 1 Pull out the AC power code from wall socket 2 Set the test cup and test cover 3 Dip the igniter manually press dipping rod to confirm the ignition coil does not t...

Page 37: ...e electric igniter 7 Insert electric igniter to the ignition source mount fully with the soldered end of the coil facing upward and fix it by tightening the knurled screw Insulator Soldered Part Set Screw for Dipping Angle Knurled Screw Fig 30 Attachment of Electric Igniter 8 Confirm that each of the coiled electric heater is not touching each other 9 Set the test cup and test cover and the dip th...

Page 38: ...e will never open by this operation 13 Change the filament output level to the value of 75 to 90 See page 9 Chapter ２１ 14 Adjust the filament output level and dipping angle again so that the obtained flash point will correct Be careful that the ignition coil does not touch the test cover Set Screw for Dipping Angle Fig 32 Dipping Angle ...

Page 39: ...ing Table S N Name Date Temperature Offset Value POSI 000 040 080 120 160 200 240 280 320 360 400 Spare POSI 000 040 080 120 160 200 240 280 320 360 400 Parameter etc Initial Heat Cooling Time External Output First Application Temp ...

Page 40: ...itch Power Supply Noise Filter Signal Cable Connector MAIN Board CPU Board Appended Fig 1 Control Unit Parts Position MMB Board Solenoid Valve for Gas Start Relay Heater SSR Power Supply Appended Fig 2 Test Unit Parts Position ...

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