Document Ref 942005-001 Rev 2 3
Component Technical Manual TQP-HS for Fuel Dispensers
CONTENTS
1 INTRODUCTION........................................................................................................ 1-2
1.1 How to Use this Manual ......................................................................................1-2
1.2 Product Scope ......................................................................................................1-2
1.3 Authorised Technicians ........................................................................................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 (PPE) ................................................1-5
1.6 Standards & Certificates......................................................................................1-6
2 PRODUCT INFORMATION .................................................................................... 2-2
2.1 Definitions ............................................................................................................2-2
2.2 Configurations ......................................................................................................2-2
2.2.1 TQP-HS 80 l/min .................................................................................2-2
2.2.2 TQP-HS 130 l/min ...............................................................................2-3
2.3 Technical Characteristics .....................................................................................2-3
2.4 Alignment of the Pump ........................................................................................2-4
2.5 Schematic Diagram 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 Tank Applications ........................................................2-6
2.6.3 Air Separation......................................................................................2-6
2.6.4 Outlet Valve .........................................................................................2-7
2.6.5 Recovery Chamber..............................................................................2-7
2.6.6 Vent to Atmosphere .............................................................................2-7
2.6.7 Draining the TQP-HS ..........................................................................2-8
2.6.8 V-belt Transmission .............................................................................2-8
2.6.9 Motors..................................................................................................2-8
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 Closing of the Overflow Valve ............................................................3-7
3.2.5 Excessive Noise...................................................................................3-8
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
4.7 Air Entry on the pipework to the Storage Tank ...................................................4-5
4.8 Problem Report form for the TQP-HS pump ......................................................4-6
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