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Tokheim TQM, Руководство пользователя

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Page 2-6

Document Ref 942175-001 Rev 3

TQM for Fuel Dispensers

Component Technical Manual

KEY:-

1 = Crank Housing
2 = Adjustable Front Stop
3 = Control Valve
4 = Piston
5 = Crankshaft
6 = Gear

2.4

 Piston Meter Operation

The following phases of the piston meter can be identified as shown in the following
diagram:-

PHASE 1

A

B

C

D

B

D

C

A

A

B

D

C

A

C

D

B

Inlet/fuel entry

Outlet/fuel exit

4
5
6

PHASE 2

PHASE 3

PHASE 4

Outlet/

fuel exit

Outlet/fuel exit

Outlet/fuel exit

Inlet/fuel entry

Inlet/fuel entry

Inlet/fuel entry

3

2

1

Содержание TQM

Страница 1: ...Document Ref 942175 001 Rev 3 10 2010 TQM Manual Inc Ethanol Grades...

Страница 2: ...maintain or to repair the product by parties other than those fully trained by Tokheim or by its accredited third party representatives Please contact your nearest service department at the relevant...

Страница 3: ...r and Captive Nuts 2 5 4 Cylinder Cover Assembly Drawing Updated 2 5 6 Piston Assembly Part no changes 2 5 7 Crankshaft Assembly Drawing Updated 25 10 2010 3 Newcorporate standard front back cover New...

Страница 4: ...2 Document Ref 942175 001 Rev 3 TQM for Fuel Dispensers Component Technical Manual This page is intentionally blank...

Страница 5: ...trical Description 2 3 2 4 Piston Meter Operation 2 6 2 5 Dimensions 2 8 2 6 Hydraulic Performance Ranges and Tolerances 2 8 2 7 Environmental Conditions 2 8 3 MOUNTING CONNECTING ADJUSTINGTHE TQM 3 2...

Страница 6: ...4 Document Ref 942175 001 Rev 3 TQM for Fuel Dispensers Component Technical Manual This page is intentionally blank...

Страница 7: ...1 2 1 1 How to Use this Manual 1 2 1 2 Product Scope 1 2 1 3 AuthorisedTechnicians 1 2 1 4 Contact Information 1 2 1 5 Health Safety 1 3 1 5 1 Safety Checklist 1 3 1 5 2 Duties of the Employees 1 3 1...

Страница 8: ...section provides the information on mounting connecting and adjusting the TQM Section 4 Troubleshooting This section gives information on troubleshooting problems with the TQM Section 5 Spare Parts Se...

Страница 9: ...applying to worker s protection it is necessary to take into account all the national protection of workers legislation and to actively support all measures which enhance safety standards It is an emp...

Страница 10: ...sed it This depends upon the national regulations in force Dismantled packaging and cladding must be stored in such a way as to avoid damage to components or injuries to persons Covers that can be ope...

Страница 11: ...ive shoes conductive Protective gloves and or protective hand cream Anti static clothing Eye protection Do not spill fuel on the ground Visible from both sides of dispenser Stop vehicle engine Visible...

Страница 12: ...urement transducer for use in a measuring instrument for liquids other than water As such it is tested and certified in conformity with the requirements of all the applicable European Directives Machi...

Страница 13: ...PRODUCT INFORMATION 2 2 2 1 Functional Description 2 2 2 2 The Piston Meter 2 2 2 3 The Pulser 2 3 2 3 1 Mechanical Description 2 3 2 3 2 Electrical Description 2 3 2 4 Piston Meter Operation 2 6 2 5...

Страница 14: ...set of gears to a common drive shaft onto which the electronic subsystem the pulser is mounted The pulser is integrated in the top cover of the meter The pulser converts the rotational movement of th...

Страница 15: ...es per revolution of the meter The opposite side or both sides of this totaliser shaft can be closed by a plug which can be sealed The totaliser shaft is rotated with a constant ratio of 1 0 05 The ma...

Страница 16: ...ency makes it possible to distinguish normal operation from sensor defects or disc oscillations DIGITAL FILTER This part will remove glitches shorter than 8 microseconds from the sensor signals SEQUEN...

Страница 17: ...d liquid flow will cause the disc to rotate counter clockwise The disc can have small movements oscillations in both directions caused by vibrations of the pulser These oscillations will not result in...

Страница 18: ...ton 5 Crankshaft 6 Gear 2 4 Piston Meter Operation The following phases of the piston meter can be identified as shown in the following diagram PHASE 1 A B C D B D C A A B D C A C D B Inlet fuel entry...

Страница 19: ...he exit side Phase 3 The LH piston is against the rear stop The channels to chambers A and B are closed by the control valve The fuel flows into chamber C The RH piston moves towards chamber D The fue...

Страница 20: ...s Inlet outlet nominal diameter ND 30 mm Cyclic volume 0 5 l rev Minimum flow rate 1 6 l min Maximum flow rate 80 l min Maximum error 0 3 1 6 l min to 80 l min Maximum pressure 4 bar Torque during de...

Страница 21: ...ING CONNECTING ADJUSTINGTHE TQM 3 2 3 1 Front View 3 2 3 2 PlanView 3 2 3 3 Correct SealingApplication W M 3 3 3 4 Pulser Connections MPT1 3 3 3 5 MechanicalAdjustment 3 4 3 6 Flushing and Calibration...

Страница 22: ...wo M8 screws and at the control head inside the dispenser by three M6 screws The screws are evenly spaced thus allowing three possible mounting positions offset by 120 The entrance and exit flanges of...

Страница 23: ...3 3 3 4 Pulser Connections MPT1 Brown 0V White ChannelA Green Channel B Yellow Supply 25V typ 3 3 Correct Sealing Application W M Calibration Sealing Calibration Sealing Wire Tote Port Seal Tote Port...

Страница 24: ...nd rear chambers in a specific sequence in relation to the pistons This is dependent upon the position of the control valve relative to the crank shafts The correct positioning of the control valve ge...

Страница 25: ...Component Technical Manual TQM Meter for Fuel Dispensers Document Ref 942175 001 Rev 3 Page 3 5 This page is intentionally blank...

Страница 26: ...n flush with the 2x20 liters cans The flushing process must be carried out at the maximum flow rate of each nozzle 36 LPM minimum At lower flow rates the evacuation of air in the hydraulic system will...

Страница 27: ...alibration 3 OK Adjust Calibration 4 OK Check installation Replace meter defective No No No Yes Yes OK within acceptable tolerance limits Clean pump and nozzle filter Start Run FP until fuel comes out...

Страница 28: ...80 99 70 100 99 90 100 20 100 10 100 40 100 30 Check the piston meter refer to section 4 2 Adjust piston meter by turning both adjustment screws in direction counter clockwise Example If the deviation...

Страница 29: ...mponent Technical Manual TQM Meter for Fuel Dispensers Document Ref 942175 001 Rev 3 Page 4 1 CONTENTS 4 TROUBLESHOOTING 4 2 4 1 Blocked Piston Meter 4 2 4 2 Display Faults 4 3 4 3 External Leakage 4...

Страница 30: ...Manual 4 TROUBLESHOOTING 4 1 Blocked Piston Meter Pressure in front of piston meter OK Meter exit line Meter correct NO NO NO YES YES YES Mechanism damaged Replace piston meter Gear out of adjustment...

Страница 31: ...100 50 100 40 100 30 100 20 100 90 100 80 100 70 100 60 Positive display fault Stops out of adjustment Piston seized check the piston and piston seals Adjust the meter see section 3 7 Negative displa...

Страница 32: ...common symptoms and possible solutions relating to external leakage problems Leakage through drive shaft replace drive shaft seal Leakage through adjustment screw replace adjustment screw O ring Leak...

Страница 33: ...pensers Document Ref 942175 001 Rev 3 Page 5 1 CONTENTS 5 SPARE PARTS 5 2 5 1 Piston Meter Exploded View 5 2 5 2 TQM Meter Assemblies 5 4 5 3 Cylinder Cover Assembly 5 5 5 4 Collector Assembly 5 6 5 5...

Страница 34: ...Page 5 2 Document Ref 942175 001 Rev 3 TQM Meter for Fuel Dispensers Component Technical Manual 5 SPARE PARTS 5 1 Piston Meter Exploded View...

Страница 35: ...d Pins 4x20 Goupille Cannel e G6 4x20 908079 001 13 Plastic Spacer Washer Entretoise Plastique 908166 14 TQM Parallel Pin L 21mm Goupille Paral L 21mm TQM 908720 15 TQM Parallel Pin L 22 5mm Goupil Pa...

Страница 36: ...inline assy Mes TQM MPE EC en ligne asm 948475 021 Meter TQM MPE TC in line assy Mes TQM MPE TC en ligne asm 948475 024 Meter TQM MPE TC TW in line assy Mes TQM MPE TC TW en ligne asm 948475 031 Meter...

Страница 37: ...3 Cylinder Cover Assembly Item No Description D signation Fran ais Part No Comments 1 O Ring 9 12 x 3 53 Joint Torique 9 12 x 3 53 900050 091 2 Adjustment Spring Ressort de Vis Relage 908165 3 TQM Ad...

Страница 38: ...er Bearing Palier Totalisateur 908162 5 Tote Drive Adaptator Adaptateur Sortie Totalisateur 908163 6 Totaliser Shaft Axe de Totalisateur 908164 7 Pulser MPT1 Cable Emetteur MPT1 Cable 941210 Pulser MP...

Страница 39: ...ssembly Item No Description D signation Fran ais Part No Comments 1 Circlip Seeger Type AL48 Segment Seeger type AL48 908169 001 2 Holding Ring Bague de Maintien Piston 941941 3 Piston Seal TQM Joint...

Страница 40: ...oller assy Gallet asm 908054 IGUS Bearing Bague IGUS 909953 001 Ethanol 3 Iglidur X fl Bush Iglidur X fl Bague 909954 002 4 Crank Shaft Holder Palier Vilebrequin 908056 5 Gear Wheel 36 Teeth Pignon 36...

Страница 41: ...Document Ref 942175 001 Rev 3 Component Technical Manual TQM Meter for Fuel Dispensers This page is intentionally blank...

Страница 42: ...For Technical manual enquiries contact author dundee tokheim com...

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