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OfiTE 112-00, Instruction Manual, Page: 2 / 16

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Table of

Contents

Introduction..........................................................................................2

Description ...........................................................................................2

Specifications ......................................................................................2

Components.........................................................................................3

Control Panel .......................................................................................4

Lubricity Test .......................................................................................5

EP Test..................................................................................................8

Reporting Test Results.....................................................................9

Disassembly.......................................................................................10

Maintenance .......................................................................................10

Standardizing the Test Block .........................................................12

Block Adjustment ...........................................................................13

Measurements / Calculations...........................................................14

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

1

Summary of Contents for 112-00

Page 1: ...ty Tester 112 00 115 Volt 112 00 1 230 Volt Instruction Manual Updated 10 11 2013 Ver 1 4 OFI Testing Equipment Inc 11302 Steeplecrest Dr Houston Texas 77065 U S A Tele 832 320 7300 Fax 713 880 9886 www ofite com Copyright OFITE 2013 ...

Page 2: ... Control Panel 4 Lubricity Test 5 EP Test 8 Reporting Test Results 9 Disassembly 10 Maintenance 10 Standardizing the Test Block 12 Block Adjustment 13 Measurements Calculations 14 OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 1 ...

Page 3: ...consists of measuring the torque of a steel block while being pressed against a rotating steel ring The torque limit is 600 inch pounds Lubricity Surface to Surface Drag Test The more common lubricity test measures fluid resistance of various lubri cating additives For the standard lubricity coefficient test 150 inch pounds of force the equivalent of 5 000 to 10 000 PSI 34 500 69 000 kPa pres sure...

Page 4: ...p Optional 111 01 Padded Transport Case 111 00 SP Spare Parts for 111 00 111 02 Test Ring for Lubricity Test Qty 6 111 04 Test Block for EP Test Qty 6 111 06 Test Ring for EP Test Qty 6 111 08 Test Block for Lubricity Test Qty 6 111 09 Sample Cup 111 11 7x Measuring Magnifier with Inch Scale 111 13 Fine Grinding Compount Grit 280 16 oz Can 111 14 Coarse Grinding Compound Grit 120 16 oz Can OFITE 1...

Page 5: ...t RPM to 200 4 Set RPM to 600 5 Set RPM to 1000 To access the Manual Speed Select spin the Scroll Wheel while on the home screen From here you can increase the motor speed by spinning the wheel clockwise and decrease it by spinning it counter clockwise By default the speed increases by 1 RPM for each increment of wheel spin By pressing the wheel in you can increase this increment to 10 or 100 RPM ...

Page 6: ...t ring retainer nut Make sure the ring seats squarely on the taper of the shaft 3 Turn on the power and let the machine run for approximately 15 min utes 4 Place the lubricity test block in the block holder with the concave side facing out and align it with the test ring 5 Set the motor speed to 60 RPM 6 After the unit has been running for 15 minutes zero the torque reading refer to page 4 for ins...

Page 7: ...be 34 2 between 32 and 36 If the torque reading is outside this range see the Standardizing the Test Block section on page 12 Otherwise proceed to step 10 10 Zero the torque reading Then lower the cup stand and discard the fluid Wipe any remaining fluid from the sample cup block block hold er and test ring OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite...

Page 8: ...e motor speed to 60 RPM then zero the torque reading Run the machine for approximately 5 minutes and adjust again if necessary 13 Turn the torque adjustment handle clockwise until 150 inch pounds of torque have been applied to the test block Let the machine run for 3 to 5 minutes 14 After 3 to 5 minutes record the torque reading and release the torque on the arm OFITE 11302 Steeplecrest Dr Houston...

Page 9: ...der 5 Set the motor speed to 1000 RPM 6 Zero the torque reading on the display see page 4 for instructions 7 Run the machine at 1 000 RPM for approximately 3 minutes or until the torque zero reading appears to stabilize and no longer drifts appre ciably Zero the torque reading see page 4 8 Position the torque arm so that the arm fits inside the concave portion of the torque arm clamp 9 Fill the st...

Page 10: ...nute run in which there is a moderate amount of torque meter deflection and the wear surface is moderate and may either be polished or dull depending upon the abrasiveness of the test fluid 12 After removing and cleaning the test block see Disassembly below examine the test block for wear With the aid of a magnifying glass part 111 11 observe the scar left on the block by the test ring If the scar...

Page 11: ... the machine is to be stored for a long period of time coat all components with oil 1 The roller bearing in the main shaft may occasionally need to be greased If you notice a squeaking noise coming from the main shaft add a high temperature bearing grease such as Lubriplate No 12601 via the zerk fitting on the back of the unit 2 The upper main shaft ball bearing is sealed and will need replacement...

Page 12: ...the belt tension as described below 3 Keep the control panel clean and dry Fluids on the panel can seep around electrical components and cause damage 4 Periodically remove the belt guard and check the belt tension Ensure sufficient tightness so that when the motor is stalled the belt will not slip To increase the belt tension loosen the motor mount bolts on the back of the unit slid the motor towa...

Page 13: ...ered complete the appropriate Block Adjustment Procedure page 13 7 Repeat Steps 1 through 6 until the markings are centered 8 Fill the sample cup about full with de ionized water 9 Cover the surface of the ring and the contact area of the block with coarse grinding compound part 111 14 10 Turn the torque wrench to bring the block into contact with the ring 11 Place the sample cup onto the cup pede...

Page 14: ... the housing 3 Tighten the socket head bolt in the housing To adjust the block up and down 1 Loosen the socket head bolt in the housing 2 Loosen the lock nut located on the torque bushing 3 Center the block against the ring and adjust the lock nut up or down so the lock nut is in contact with the housing while the block is centered on the ring 4 Tighten the socket head bolt to hold the adjustment ...

Page 15: ...nce of the arm 3 Calculate the pressure on the test block at the time the test was stopped by dividing the force 2 by the scar area 1 This pressure is the film strength of the mud In equation form it is written as follows P Where P Film Strength PSI T Torque Meter Reading in lbs W Scar Width in L Scar Length in C The Coefficient of Friction value for Deionized Water would be a constant if the meta...

Page 16: ...e the block and ring surfaces across each other at a given rate and is measured by the num ber of amperes required to turn the test ring at a prescribed number of revolutions per minute W The load or force with which the test block is pressed against the test ring through the torque arm OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 15 F W Meter Re...

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