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8-1

Chapter 8

Ancillary Equipment

Dirt/Moisture Trap, P5532

If there is any doubt that the instrument to be tested is not internally clean, then the

addition of the P5532 Dirt/Moisture Trap will protect the deadweight tester from

contamination and possible damage. Any particles or moisture present within the DUT

will fall and be trapped in the aluminum chamber, which can be periodically inspected by

the operator.
The top connection reproduces the test port on the deadweight tester, allowing the

standard gauge adapters to be used.

gmg14.bmp

Figure 8-1. Dirt/Moisture Trap

Summary of Contents for P3031

Page 1: ...0 Fluke Corporation All rights reserved Printed in USA Specifications are subject to change without notice All product names are trademarks of their respective companies P3031 P3032 Pneumatic Deadweig...

Page 2: ...vice center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no...

Page 3: ...al 1 2 Operating Principle 1 2 Operating Storage Specification 1 3 Environmental Corrections 1 3 Gravity 1 3 Temperature and Air Density 1 4 Fluid Head 1 4 2 Preparation 2 1 Preparation 2 1 Connection...

Page 4: ...luid 5 3 Top Plate Removal 5 5 Screw Press 5 6 6 Fault Finding 6 1 Poor PCU Spin Sensitivity 6 1 General 6 1 System Will Not Pressurize 6 1 High Piston Fall Rate 6 1 7 Storage Transportation 7 1 Instr...

Page 5: ...itle Page 1 1 Symbols 1 2 1 2 Temperature and Humidity Ranges for the DWT 1 3 2 1 Test Port Insert Parts List 2 5 5 1 PCU Assembly Parts List 5 3 5 2 PCU Housing Assembly Parts List 5 5 5 3 Screw Pres...

Page 6: ...P3031 P3032 Users Manual iv...

Page 7: ...uge Position 2 3 2 5 Tighten Gauge 2 4 2 6 Do Not Over Tighten 2 4 2 7 Test Port Insert 2 4 2 8 Sectional View PCU Housing 2 5 3 1 Float Height Indicator Post 3 1 3 2 Weight Rotation 3 2 5 1 PCU Assem...

Page 8: ...P3031 P3032 Users Manual vi...

Page 9: ...655 Anywhere in the world 1 425 446 5500 Or visit Fluke s website at www fluke com To register your product visit http register fluke com To view print or download the latest manual supplement visit h...

Page 10: ...amage the Pneumatic Deadweight Tester or the equipment under test Symbols used on the DWT and in this manual are explained in Table 1 1 Table 1 1 Symbols Symbol Description B AC Alternating Current J...

Page 11: ...ions and factors are given on the certificate to adjust for any variations in these environmental conditions Gravity Gravity varies greatly with geographic location and so will the deadweight tester r...

Page 12: ...rmal operation will not exceed 0 0055 psi 0 00038 bar for oil lubricated systems 0 0118 psi 0 00082 bar for Krytox GPL101 lubricated systems The fluid level is not visible in operation therefore the e...

Page 13: ...present within the system will result in degradation of performance and eventual IRREPARABLE DAMAGE to the PCUs Do not over pressurize the deadweight tester To avoid damage to the instrument the oper...

Page 14: ...test port Check that the sealing face of the device to be fitted is clean and undamaged as scratches or dents can form leak paths Note The thread on the test port and the lower part of the gauge adap...

Page 15: ...ot Over Tighten 3 To adjust the position to face forward hold the gauge adapter and turn the instrument COUNTER CLOCKWISE so that it faces forward gmg04 bmp Figure 2 4 Adjust Gauge Position 4 Hold the...

Page 16: ...P or NPT mounting threads the diameter of the thread is very close to the effective sealing diameter of the O ring fitted to the test port This can make it difficult to achieve a good seal When mounti...

Page 17: ...torage transportation the following points apply 1 Remove PCU assembly see Chapter 5 PCU Assembly 2 Remove filler plug 3 Using the filler bottle fill the chamber through the top port until the fluid l...

Page 18: ...P3031 P3032 Users Manual 2 6...

Page 19: ...weight carrier 4 SLOWLY open and close inlet valve until piston floats with the bottom face of the lowest weight is level with the groove in the indicator post This is the PCU mid float position whic...

Page 20: ...especially after large changes in system pressure 8 For the next higher calibration point repeat from step 3 above 9 To measure reducing pressures remove the necessary weights and by opening and closi...

Page 21: ...high pressure weight carrier ring These items are simply exchanged for the original items when using the conversion weights Calibration is carried out as described above with logical pressure increme...

Page 22: ...P3031 P3032 Users Manual 4 2...

Page 23: ...1 Hold the weight carrier 1 and lift the piston to its full extent Unscrew cylinder retainer 5 and lift out PCU assembly 2 Unscrew set screw 2 two turns and remove weight carrier 1 3 Remove cylinder...

Page 24: ...ly through due to its own weight 15 NEVER FORCE THE PISTON INTO ITS CYLINDER OR DAMAGE WILL RESULT 16 If resistance is felt re clean piston cylinder or both If after repeated cleaning the piston still...

Page 25: ...fluid must be drained from the PCU housing before commencing any maintenance procedures that involve moving the instrument from the horizontal position This includes packing the instrument for storag...

Page 26: ...er 8 Carefully wipe all traces of fluid from inside the PCU housing 9 Ensure that there is no particulate contamination inside the housing then replace cylinder holder and screws ensuring that the o r...

Page 27: ...t top plate 1 at the mid point of each edge W Caution The top plate will be connected to the instrument case by the tubing that runs to the external supply manifold so care must be taken when lifting...

Page 28: ...e It is often easier to remove the barrel support bracket 6 to allow greater movement remove the 2 screws from the upper side of the top plate 8 Before re fitting the barrel ensure that the barrel sea...

Page 29: ...embly Table 5 3 Screw Press Assembly Parts List Item Description Part 1 Tee 3867771 2 Test Port 3921414 3 O ring 3864922 4 Barrel Locknut 3921438 5 Barrel 3921450 6 Barrel Support 3921492 7 O ring 386...

Page 30: ...P3031 P3032 Users Manual 5 8...

Page 31: ...is carried out System Will Not Pressurize 1 Ensure that Inlet and Exhaust valves are closed 2 Ensure for missing or dirty seal in test port 3 Ensure that the sealing face of the DUT is not dented or...

Page 32: ...P3031 P3032 Users Manual 6 2...

Page 33: ...apter 5 Draining PCU Fluid Weights 1 Starting with the largest increments first stack all appropriate weights in the wooden weight case 2 Pass the threaded rod of the weight clamp assembly down throug...

Page 34: ...P3031 P3032 Users Manual 7 2...

Page 35: ...rap will protect the deadweight tester from contamination and possible damage Any particles or moisture present within the DUT will fall and be trapped in the aluminum chamber which can be periodicall...

Page 36: ...ed The angle adapter fits directly onto the test station converting it through 90 degrees allowing the standard adapters to be used gmg15 bmp Figure 8 2 Angle Adapter Pointer Remover Punch P5551 To re...

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