OfiTE 120-53 Instruction Manual Download

Page: 52 / 62

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com

Appendix

Maintenance Schedule

Procedure

Schedule

Calibrate Transducer

After any mechanical components

are changed (bob, shaft, bushings,

transducer, etc)

- Monthly

Replace Bushings

- If the bushings show signs of

damage or wear

- When the SGSM Drag Check

results are too high (see page 27)

SGSM Drag Check

- Before every test

Bob Measurements

- Every 3 Months

Fuses

As needed (see page 41)

Summary of Contents for 120-53

Page 1: ...ng Equipment Inc 120 53 Low Pressure 5 000 PSI 120 58 High Pressure 20 000 PSI Instruction Manual Updated 6 21 2018 Ver 9 0 OFI Testing Equipment Inc 11302 Steeplecrest Dr Houston Texas 77065 U S A Te...

Page 2: ...Cell 29 Starting the Test 31 Stopping the Test 32 Evaluating Test Data 33 Removing the Test Cell 34 Maintenance 35 Disassembling and Cleaning the Test Cell 35 Changing a Fuse 41 Appendix 42 Filling Th...

Page 3: ...th both the Single Cell UCA 120 50 and the Dual Cell UCA 120 52 The Low Pressure SGSM 120 53 fits in a low pressure UCA test cell This configuration is compatible with the Twin Cell UCA 120 51 In an S...

Page 4: ...mum Screen Resolution 1280 680 Environmental Conditions For indoor use only Maximum Altitude 6 562 ft 2 000 m Temperature 41 104 F 5 40 C Maximum Relative Humidity 80 for temperatures up to 88 F 31 C...

Page 5: ...hing Graphite Qty 20 120 53 43 Filter 7 Micron Element Kit 120 53 58 Backup Ring Upper Qty 2 120 53 59 Backup Ring Lower Qty 2 120 58 05 Retaining Ring External Qty 2 123 011 O ring for Test Cell Qty...

Page 6: ...f the hazard and any actions which have to be taken Hot This symbol indicates that a surface may be hot to the touch Shock Hazard This symbol indicates a risk of electrical shock Note This symbol will...

Page 7: ...y and install it to the top cell cap See page 24 7 Install the top cell cap to the cell assembly 8 Install the test cell to the cabinet 9 Connect the SGSM head to the shaft assembly and run a drag che...

Page 8: ...tion requires a different set of connections to the computer Single UCA or Dual UCA Connect the UCA to a PC with the supplied serial cable Single SGSM or UCA SGSM Connect the PC and the UCA unit to th...

Page 9: ...are by double clicking the icon on the desktop 3 Click Utilities Setup COM Port The COM port the device is connected to The Dual SGSM software will ask for two COM ports Temp Unit F or C Pressure PSI...

Page 10: ...zero offset After the Conditioning Time the SGSM will periodically measure gel strength based on the Test Speed Test Time and Wait Time fields Test Speed The speed RPM the bob will turn to break the...

Page 11: ...ion Single SGSM Dual SGSM or UCA SGSM The SGSM Info single or Cell 1 Info Cell 2 Info dual tabs show the current SGSM test configuration and a graph of the temperature profile Test Started Heater Enga...

Page 12: ...field in the Setup screen Wait After conditioning the cement the motor stops for 6 seconds to allow the fluid to reach a steady state Pre Zero Before performing the zero operation the software turns t...

Page 13: ...essure within the test cell PSI or MPa depending on the settings in the Setup screen The pressure reading is only on the High Pressure 20 000 PSI SGSM units 120 58 Current Reading The current gel stre...

Page 14: ...or less detail To manually scale a chart 1 Right click on the X or Y axis and uncheck AutoScale X or AutoScale Y 2 Double click the minimum value on the axis Type in a new value 3 Double click the ma...

Page 15: ...dd button to add a step As you add steps the graph below will change to reflect the new profile There are three Step Types a Hold This will hold the current temperature for a set number of minutes You...

Page 16: ...these fields are optional The information in them will display in the data file at the end of the test Select the desired profile before the test Multiple Conditioning Final Strength The following fie...

Page 17: ...sure gel strength periodically until the cement reaches the value in the Strength 5 field entered in the setup screen Then it will condition the cement for the time period specified in the Conditionin...

Page 18: ...of previous calibrations will appear in a window to the left Click on a calibration record and export to view the data 2014 Month11Day06_Time1002 cal 2014 Month11Day06_Time1014 cal 2014 Month11Day10_T...

Page 19: ...view and export the data to the PC in an Excel document Select a calibration and click Export A Choose or Enter Path of File window will open Enter a file name and save it as a dat document The dat d...

Page 20: ...aned from the port as well 2 Tighten the jaws of the vice on the flats of the cell cap with the threads facing up 3 Apply a thin layer of high temperature grease to the surface of the bottom cell cap...

Page 21: ...the surfaces that will be in contact with cement This will make cleaning easier when the test is complete 1 Carefully screw the cell body onto the bottom cell cap completely Then unscrew the cell bod...

Page 22: ...st cell Tighten the thermocouple completely then loosen it of a turn The two ports are interchangeable 3 Tighten the jaws of the vice on the flats of the cell cap with the threads faced up 4 Insert re...

Page 23: ...o be removed from the top cell cap If it must be replaced the metal seal ring must be reinstalled in the same orientation 7 Place an o ring on the cell cap above the metal seal ring 8 Install the exte...

Page 24: ...er Retaining Ring 120 53 82 High Pressure SGSM Only 11 Secure the mounting adapter 120 58 04 with the short end facing up 12 Place the upper backup ring 120 53 58 around the top of the mounting adapte...

Page 25: ...facing inward and the allen heads on the outside of the base 17 Insert the magnet shaft assembly 120 58 010 into the SGSM base threads first with the magnet facing upward 18 Lightly grease the thread...

Page 26: ...ouple 120 209 Thermocouple 120 51 020 Magnet Cover 120 53 09 Vane Paddle Assembly 120 53 01 Magnet Shaft Assembly 120 53 010 Top Cell Cap 120 53 03 Magnet Cover 120 53 09 22 Secure the top cell cap in...

Page 27: ...e Measure the height of the bob blades in three places Record the average diameter and average height and enter them in the Setup screen Refer to page 8 The bob should be measured every 3 months 26 Sc...

Page 28: ...htly Then continue turning until the cap is completely tightened 2 Once the cap is completely tightened unscrew it one quarter turn This will facilitate disassembly later 3 Install the SGSM head to th...

Page 29: ...hly onto the cell body If you encounter resistance stop turning and unscrew the cap slightly Then continue turning until it tightens completely Unscrew the top cell cap of a turn This will facilitate...

Page 30: ...must remain paired with the top acoustic transducer 1 Carefully place the cell into the heating jacket 2 Align the cell as shown below 3 Connect the water supply tube from the port on the test cell t...

Page 31: ...0 turn the WATER SUPPLY valve to ON b On the Twin Cell UCA 120 51 turn the CELL 1 WATER or CELL 2 WATER valve to FILL c On the Dual Cell UCA 120 52 turn the appropriate FILL valve to ON 6 Once the wat...

Page 32: ...manual 4 Click the Start Test button 5 After clicking the Start Test button make any changes to the test information in the information screen Refer to page 14 for more information about the entering...

Page 33: ...ht hand corner Always open the pressure release valve very slowly to prevent pulling cement into the plumbing 2 Unscrew and remove the high pressure line from the cell cap and the instrument cabinet U...

Page 34: ...nerates a trend line connecting the peaks of the gel strength line At the top of the SGSM chart are entries for Time lb 100ft 2 This shows the time at which the cement reached each gel strength These...

Page 35: ...the cell has cooled turn the Pump and Cool switches off 5 Turn the Fill valve to OFF 6 Open the pressure release valve by slowly turning it counterclockwise Always open the pressure release valve very...

Page 36: ...rst procedure attempts to save the magnet and shaft This procedure will only work if the threads on the shaft have been heavily greased The shaft will need to twist free from the bob and any cement th...

Page 37: ...of the shaft 6 The bob shaft has a left handed thread Using the strap wrench unscrew the shaft from the bob by rotating the shaft clockwise The magnet is press fit onto the shaft and should move as on...

Page 38: ...ter with the end labeled TOP facing up 15 Using a hammer and the knock out tool and or a cement press remove the cement plug from the test cell Be sure to apply force only to the top of the cement plu...

Page 39: ...22 Proceed around the bob by removing the cement from between the vanes Procedure 2 Tools Needed 10 Crescent Wrench Wrench Channel Locks Soft Face Hammer Cell Cap Wrench Heavy Duty Vice Small Sledge...

Page 40: ...xposed area of the shaft with a pair of channel locks 7 The bob shaft has a left handed thread Loosen the shaft by turning the channel locks clockwise 8 When the threads are fully disengaged carefully...

Page 41: ...18 Using a small chisel begin chipping at the plug about from the bottom 19 Remove the cement from the bottom of the plug in small chunks until you expose one of the vanes on the bob 20 Set the plug u...

Page 42: ...e holder next to the power receptacle 3 If either fuse is blown replace it with a new one The SGSM Electronics Box uses two 2 amp fuses 4 Put the fuse holder back into the slot 5 Plug the power cord b...

Page 43: ...crew the cell body onto the bottom cell cap completely Then unscrew the cell body of a turn This will facilitate disassembly later 3 Begin filling with the cement slurry Place the fill gauge on top of...

Page 44: ...ll 2 Turn the Drive Assembly upside down 3 Unscrew the support 4 Locate the set screw that holds the magnet on the bob shaft Loosen the set screw enough for the magnet to move freely 5 Adjust the magn...

Page 45: ...er and that the software is running 3 Select Calibrate SGSM from the Utilities menu 4 You will be prompted to take a reading with no weight on the transducer Simply click the Accept button 5 You will...

Page 46: ...he ports on the top cap of the SGSM test cell The two ports are interchangeable 2 Insert a retaining ring into the upper groove on the inside of the cell cap Retaining Ring Groove Thermocouple Retaini...

Page 47: ...2 Bushing 120 53 42 Backup Ring 120 53 58 O ring 120 53 52 Mounting Adapter Retainer Ring 120 53 82 High Pressure SGSM Only 7 Place the upper backup ring 120 53 58 around the top of the Mounting Adapt...

Page 48: ...top of it The backup ring should be oriented with the taper pointing toward the o ring Make sure the backup ring and o ring are centered around the Mounting Adapter 11 Carefully lower the cell cap on...

Page 49: ...rage diameter and average height and enter them in the Setup screen Refer to page 8 The bob should be measured every 3 months Bob Calipers 13 Screw the bob onto the bob shaft Hold the shaft in place w...

Page 50: ...calibration is performed with a dead weight set 1 Remove the torque spring from the SGSM and install the calibration pulley 2 Connect the wire to the torque spring post and thread it over the calibrat...

Page 51: ...You will now be prompted to add weight to the weight holder Place the appropriate weight on the holder and click the Accept button When calibrating the unit for the first time the software does not pr...

Page 52: ...dure Schedule Calibrate Transducer After any mechanical components are changed bob shaft bushings transducer etc Monthly Replace Bushings If the bushings show signs of damage or wear When the SGSM Dra...

Page 53: ...older 3 Locate the SGSM folder and select it 4 Hold down the CTRL key and then press C Then hold down the CTRL key and hit V This will create a duplicate of the folder called SGSM Copy 5 Choose a name...

Page 54: ...ture The four buttons along the bottom of the display provide access to the temperature controller parameters To program a test 1 Press the PAGE button until the display reads Prog List 2 Press the SC...

Page 55: ...al minutes If you choose this option the next parameter will be Tgt target temperature and then Dur duration in minutes Dwell holds the temperature at its current set point for a specified length of t...

Page 56: ...minutes Seg 3 Segment 3 Type end This is the last segment End t sop Stop the heat Example 2 Heat the sample to 200 over a period of 90 minutes Then increase the temperature to 300 at a rate of 3 per m...

Page 57: ...ed If an extension cord is necessary make sure it has three prongs and is compatible with the electrical cord provided with the equipment Do not modify the electrical cord provided with the equipment...

Page 58: ...e thermocouple shaft Use a small drill bit to clear the cement blockage Replace the thermocouple Screw the collar up until there are 2 threads showing Software Trace lines are missing from the graph T...

Page 59: ...oad Cell 10 120 53 22 Post for Torque Spring Tall 11 120 53 21 Post for Torque Spring Short 12 120 53 17 Post for Torque Transducer 13 120 53 60 Retaining Ring Internal 14 120 53 041 Bearing 15 Nut 4...

Page 60: ...ty 6 7 120 53 42 Bushing Qty 2 8 120 53 82 Retaining Ring External 9 120 53 32 O ring 10 120 53 58 Backup Ring Upper 11 120 58 04 Mounting Adapter 12 120 53 59 Backup Ring Lower 13 120 53 31 O ring 14...

Page 61: ...se Flange 6 Screw Hex Head Cap 6 32 Long Qty 6 7 120 53 42 Bushing Qty 2 8 120 53 82 Retaining Ring External 9 120 53 32 O ring 10 120 53 58 Backup Ring Upper 11 120 58 04 Mounting Adapter 12 120 53 5...

Page 62: ...y losses or damages that occur as a result of Improper installation or maintenance of the products Misuse Neglect Adjustment by non authorized sources Improper environment Excessive or inadequate heat...

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