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Document Ref 942005-001 Rev 2

Page 3-5

Component Technical Manual

TQP-HS for Fuel Dispensers

3.2.2

REDUCED FUEL FLOW

R eplac e the be lt

N O

YES

W orn out p um p

B ypa ss block ed

N O

YES

Externa l pro ble m

ups tre am (re fer

to s ection 4.5)

Is the p um p u nit

air tight? (re fe r to

se ction 4 .4 )

YES

N O

YES

Site co nfigura tion

he adloss e xce ssive

Filter c log ged (r efe r

to s ection 4.6)

Find air entry

(refer to se ction 4 .7 )

REDUCED

FUEL FLOW

H as the drive

be lt s la cke ned?

C hec k

co ndition of

filte rs (h ose,

PA S)

A djust the

by pass (refer to

se ction 4 .1 )

Ou tlet pr ess ure

>1.5 bar (refer
to s ection 4.1)

Is the p um p

unu sually

noisy ?

H ig h inlet

he adloss >40 0

m bar (refer to

se ction 4 .2 )

Is the fuel

su pply line air

tigh t?

Содержание TQP-HS

Страница 1: ...Document Ref 942005 001 Rev 2 11 2011 TQP HS Pumping Unit Component Technical Manual TM Patent Pending...

Страница 2: ...to 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 relevan...

Страница 3: ...re changed 2 6 Above Ground Tank Application added 3 1 Section 3 Contents updated 3 2 Pressure release diagram changed 4 2 TQP HS diagram changed 4 3 Air vent diagram changed 5 1 Section 5 contents up...

Страница 4: ...2 Document Ref 942005 001 Rev 2 TQP HS for Fuel Dispensers Component Technical Manual This page is intentionally blank...

Страница 5: ...of Operating Principles 2 5 2 6 Operating Description 2 6 2 6 1 Pumping Filtration By Pass 2 6 2 6 2 Above Ground TankApplications 2 6 2 6 3 Air Separation 2 6 2 6 4 Outlet Valve 2 7 2 6 5 Recovery C...

Страница 6: ...echnical Manual 5 SPARE PARTS AND MAINTENANCE TOOLS 5 2 5 1 Exploded Views and Parts Lists 5 2 5 1 1 Front View 5 2 5 1 2 Back View 5 4 5 1 3 Top View and Filterbox 5 6 5 2 Frequently Used Spare Parts...

Страница 7: ...ians 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 5 3 Hazards 1 4 1 5 4 Warning Signs 1 4 1 5 5 Personal Protective Equipment PP...

Страница 8: ...flow charts for the TQP HS Section 4 Troubleshooting This section gives information on troubleshooting problems with the TQP HS Section 5 Spare Parts Maintenance Tools Section 5 lists the assembly dr...

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 em...

Страница 10: ...ased 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 op...

Страница 11: ...ctive shoes conductive Protective gloves and or protective hand cream Anti static clothing Eye protection Do not spill fuel on the ground Stop vehicle engine At Diesel high speed dispensers near the n...

Страница 12: ...in moving parts Hair must be suitably covered 1 6 Standards Certificates Tokheim TQP HS pumping units are constructed in conformity with the requirements of all the applicable European Directives Mac...

Страница 13: ...30 l min 2 3 2 3 Technical Characteristics 2 4 2 4 Alignment of the Pump 2 5 2 5 Schematic Diagram of Operating Principles 2 6 2 6 Operating Description 2 7 2 6 1 Pumping Filtration By Pass 2 7 2 6 2...

Страница 14: ...maly or malfunction the name TQP HS must be reported together with the serial number indicated on the type plate near the pump pulley see above diagram Please complete the problem report form in secti...

Страница 15: ...2 2 2 TQP HS 130 L MIN TQP HS 130 2 4 or 4 8 m h 40 or 80 l min 2 4 or 4 8 m h 40 or 80 l min IMPORTANTNOTE Do not install TQP HS pumps 80 or 130 lpm in series on the same suction line Separate sucti...

Страница 16: ...00mB 80 l min for correct operation 300mB 130 l min 2 3 Technical Characteristics DIMENSIONS Width x height x length 225 x 450 x 490 mm including motor filter and mounting bracket Weight 37 kg Suction...

Страница 17: ...elative humidity 5 to 95 non condensing Altitude Sea level up to 2000 m 2 4 Alignment of the Pump When installing the TQP HS the following measures have to be taken into consideration regarding the V...

Страница 18: ...m 7 Vent float non overflow device 8 Vent 9 Top vent plug 10 Recovery chamber 11 Permanent air separation leak 12 Vortex regulating valve 13 Low pressure air separation leak 14 Low pressure vortex val...

Страница 19: ...siphoning storage tanks via air vents or in case of leak accident on connecting pipes by using properly installed anti siphon valves Please refer to state of the art equipment currently available and...

Страница 20: ...level presence of air the aeration valve opens to keep the pump at low pressure up to 0 7 bar and the outlet valve is closed The air is then removed from the pump via the vent 8 as the air proportion...

Страница 21: ...he ground tank is higher than pump it is still possible to drain the TQP HS by completely removing the drain screw 5 and catching the excess fuel in a suitable container 2 6 8 V BELT TRANSMISSION The...

Страница 22: ...Page 2 10 Document Ref 942005 001 Rev 2 2 TQP HS for Fuel Dispensers Component Technical Manual This page is intentionally blank...

Страница 23: ...Manual TQP HS for Fuel Dispensers CONTENTS 3 FAILURE DIAGNOSIS 3 2 3 1 Failure Diagnosis 3 3 3 2 Flow Charts 3 4 3 2 1 No Fuel Flow 3 4 3 2 2 Reduced Fuel Flow 3 5 3 2 3 Uneven Fuel Flow 3 6 3 2 4 Cl...

Страница 24: ...don off the dispenser under repair Wear appropriate Personal Protective Clothing 2 When the TQP HS is stopped ensure that the pumping unit is not pressurised due to the closing of the vent float valve...

Страница 25: ...ssary procedures required by Weights Measures and applicable safety legislation are correctly followed NOTE Once an O ring has been removed it must not be re used Check the normal operation of the pum...

Страница 26: ...ind air entry refer to section 4 7 Is the pump unit air tight refer to section 4 4 NO YES YES Site configuration headloss is excessive refer to section 4 6 NO YES NO Fill underground storage tank NO N...

Страница 27: ...nit air tight refer to section 4 4 YES NO NO NO YES Site configuration headloss excessive Filter clogged refer to section 4 6 Find air entry refer to section 4 7 REDUCED FUEL FLOW Has the drive belt s...

Страница 28: ...4 7 Air entry in the Pas itself refer to section 4 4 NO YES YES Malfunctioning upstream of PAS Check electro valve etc NO NO Fuel is too hot Cavitation mode UNEVEN PULSING FUEL FLOW Outlet pressure 1...

Страница 29: ...ING OF THE OVERFLOW VALVE YES NO YES Install anti syphon valve or spring on foot valve Consult Hydraulic Dept NO CLOSING OF THE OVERFLOW VALVE Station tank above pump level or suction height 1m Float...

Страница 30: ...O YES NO YES YES Pressure adjustment refer to section 4 1 NO NO Check gear pump YES Decrease temperature Increase fuel level refer to section 4 6 EXCESSIVE NOISE Has the belt drive slackened Noise ins...

Страница 31: ...4 TROUBLESHOOTING 4 2 4 1 Outlet Pressure 4 2 4 2 Inlet Pressure 4 3 4 3 Air Vent 4 3 4 4 Internal Air Entry in the Pump 4 4 4 5 External Problems up stream the TQP HS 4 4 4 6 Excessive Head Loss 4 4...

Страница 32: ...ss screw must be turned to increase or decrease the pressure When the desired pressure is adjusted check whether the correct flow is reached OUTLET PRESSURE VALUES The exact pressure value will depend...

Страница 33: ...turn valve dirt blocking the flow tank filter clogged etc Repair and or replace as required Re check the inlet pressure and repeat the above procedures until a satisfactory measurement is obtained 4 3...

Страница 34: ...valve is blocked replace the electronic valve 4 6 Excessive Head Loss When the ambient temperature increases the ability to pump fuel is reduced due to the formation of vapour locks Check if the pipe...

Страница 35: ...from the storage tank to the dispenser In pipework systems with more than one pumping unit per suction line check the non return valves on each derivation where fitted If there are no special valves f...

Страница 36: ...outlet pressure measured at the outlet plug mbar 2 Reduced fuel flow a W hat is the outlet pressure when running in bypass mode bar b W hat is the inlet pressure at the filter box mbar c Are the foll...

Страница 37: ...uel Dispensers CONTENTS 5 SPARE PARTS AND MAINTENANCE TOOLS 5 2 5 1 Exploded Views and Parts Lists 5 2 5 1 1 Front View 5 2 5 1 2 Back View 5 4 5 1 3 Top View and Filterbox 5 6 5 2 Frequently Used Spa...

Страница 38: ...Page 5 2 Document Ref 942005 001 Rev 2 TQP HS for Fuel Dispensers Component Technical Manual 5 SPARE PARTS AND MAINTENANCE TOOLS 5 1 Exploded Views and Parts Lists 5 1 1 FRONT VIEW...

Страница 39: ...Roulement a Billes D20xD47x14 900070 001 7 Cotter Pin 6x6x40 Clavettes Paralleles 6x6x40 901321 001 8 Cotter Pin 6x6x30 Clavettes Paralleles 6x6x30 901321 002 9 Parallel Pin 6x20mm Goup Cylind C 6x20...

Страница 40: ...Page 5 4 Document Ref 942005 001 Rev 2 TQP HS for Fuel Dispensers Component Technical Manual 5 1 2 BACK VIEW OUTLET BYPASS VORTEX...

Страница 41: ...rtex 900649 10 Vortex Valve Spring Ressort Valve de Vortex 901701 11 Vortex Valve Piston Piston Valve de Vortex 901702 12 Outlet Valve Spring Ressort Valve de Sortie 901703 13 Bypass Valve Clapet de B...

Страница 42: ...Page 5 6 Document Ref 942005 001 Rev 2 TQP HS for Fuel Dispensers Component Technical Manual 5 1 3 TOP VIEW AND FILTERBOX...

Страница 43: ...ant Couvercle Boite de Filtre GF 900636 002 Low Temperature only 8 Nut Hex Serpress M6 Ecrou Serpress M6 901295 001 9 Washer Spring Retain Shaft D3 Anneau D Arret Pour Axe D3 901313 001 10 Filter 90 M...

Страница 44: ...Page 5 8 Document Ref 942005 001 Rev 2 TQP HS for Fuel Dispensers Component Technical Manual 5 1 3 TOP VIEW CONT...

Страница 45: ...w Flat Seal Joint Plat vis de Purge 902394 25 Meter Support Cover Seal Joint Liaison Mesureurs 902396 26 Filterbox Boite de Filtre 902398 27 Footvalve Filterbox Clapet Filterbox 943260 28 Cover Meter...

Страница 46: ...lastic filter 90 m mesh all fuels 900028 004 V belt A29 13 13A760MC used in Quantium T with 95 mm pulley 900028 005 V belt A27 13 13A720MC used in Quantium T with 71 mm pulley With V belts always chec...

Страница 47: ...tains a drain screw O ring flat seal already assembled Order Number 902304 Air Vent Repair kit Contains a gland nut valve housing needle valve cork float spring washers already assembled and a nipple...

Страница 48: ...ring O ring cover Order Number 902301 Vortex Repair kit Contains a valve tube valves springs vortex body O ring already assembled seal vortex valve front side and seal vortex rear side Order Number 90...

Страница 49: ...Document Ref 942005 001 Rev 2 Component Technical Manual TQP HS for Fuel Dispensers This page is intentionally blank...

Страница 50: ...For Technical manual enquiries contact author dundee tokheim com...

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