Tokheim PAS V3, Компонентное техническое руководство

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Document Ref 903647-001 Rev 3 3
Component Technical Manual PAS V3 Pump for Fuel Dispensers
Issue B
CONTENTS
1 GENERAL ..................................................................................................................... 1-2
1.1 Definitions ............................................................................................................ 1-2
1.2 Configurations ...................................................................................................... 1-2
2 OPERATING DESCRIPTION ................................................................................... 2-2
2.1 Technical Characteristics ..................................................................................... 2-2
2.2 Alignment of the Pump ........................................................................................ 2-3
2.3 Schematic Diagram of Operating Principles ........................................................ 2-4
2.4 Schematic Diagram References .......................................................................... 2-4
2.5 Operating Description .......................................................................................... 2-5
2.5.1
Pumping, Filtration & By-Pass ............................................................ 2-5
2.5.2 Above Ground Tank Applications ........................................................ 2-5
2.5.3 Air Separation ...................................................................................... 2-6
2.5.4 Outlet Valve ......................................................................................... 2-6
2.5.5 Recovery Chamber .............................................................................. 2-6
2.5.6 Vent to Atmosphere ............................................................................. 2-7
2.5.7 Draining of the PAS ............................................................................. 2-7
2.5.8 V-belt Transmission ............................................................................. 2-7
2.5.9 Motors .................................................................................................. 2-8
3 FAILURE DIAGNOSIS ............................................................................................... 3-2
3.1 Failure Diagnosis .................................................................................................. 3-2
3.2 Flow Charts .......................................................................................................... 3-3
3.2.1
No Fuel Flow ....................................................................................... 3-3
3.2.2 Reduced Fuel Flow .............................................................................. 3-4
3.2.3 Uneven Fuel Flow ................................................................................ 3-5
3.2.4 Closing of the Overflow Valve ............................................................ 3-6
3.2.5 Excessive Noise ................................................................................... 3-7
4 TROUBLESHOOTING .............................................................................................. 4-2
4.1 Outlet Pressure .................................................................................................... 4-2
4.2 Inlet Pressure ....................................................................................................... 4-2
4.3 Air Vent ................................................................................................................ 4-3
4.4 Internal Air Entry in the Pump ............................................................................. 4-3
4.5 External Problems up-stream the PAS ................................................................ 4-4
4.6 Excessive Head Loss ........................................................................................... 4-4
4.7 Air Entry on the Pipework to the Storage Tank ................................................... 4-5
5 SPARE PARTS AND MAINTENANCE TOOLS .................................................... 5-3
5.1 Frequently Used Spare Parts ............................................................................... 5-3
5.2 Exploded Views and Parts Lists .......................................................................... 5-4
5.2.1
Front View ........................................................................................... 5-4
5.2.2 Back View ........................................................................................... 5-6
5.2.3 Top View ........................................................................................... 5-10
5.3 Maintenance Kits ............................................................................................... 5-12
5.4 References of Specific Tools ............................................................................. 5-15
6 PROBLEM REPORT FORM FOR THE PAS V3 PUMP .................................... 6-2