iii
November 1992
Part No. 917543 Rev. A
TABLE OF CONTENTS
Title
Page
1. INTRODUCTION .................................................................................................................... 1
1.1. The Blending Process Proportional Blenders ............................................................ 3
1.2. The Blending Process Fixed Ratio Blenders ............................................................. 3
2. GENERAL OPERATION ........................................................................................................ 5
2.1. Sequence of the Dispensing Cycle ............................................................................ 5
2.2. Unit Prices/Authorization .......................................................................................... 5
2.2.1. Manually Setting Unit Prices ...................................................................... 7
2.2.2. Authorize Switch ........................................................................................ 7
2.2.3. Setting A Fueling Point............................................................................. 10
3. ELECTRONIC PARTS .......................................................................................................... 11
3.1. Display Boards ........................................................................................................ 11
3.2. Lighted Cash/Credit Interface Board ....................................................................... 11
3.3. Solenoid Drive Board .............................................................................................. 12
3.4. Computer Assembly ................................................................................................ 12
3.4.1. Fault Codes ............................................................................................... 14
3.5. Intrinsic Safe Barrier Printed Circuit Board ............................................................ 15
3.6. Pulser Assembly ...................................................................................................... 15
3.6.1. Photocoupler ............................................................................................. 15
3.6.2. Pulser Disc ................................................................................................ 18
3.7. Suction Pump Motor ................................................................................................ 18
3.8. Blend Motor ............................................................................................................. 18
4. MECHANICAL PARTS ........................................................................................................ 21
4.1. Nozzle Boot (with Micro Switch) .......................................................................... 21
4.2. Nozzle Boot (with Tilt Switch) ............................................................................... 21
5. HYDRAULIC PARTS ........................................................................................................... 25
5.1. Strainer and Filter .................................................................................................... 25
5.1.1. Strainer...................................................................................................... 25
5.1.2. Filter.......................................................................................................... 25
5.2. Flow Control Valve .................................................................................................. 26
5.2.1. Flow Control Valve “Off” No Flow.......................................................... 30
5.2.2. Flow Control Valve “On” Slow Flow ....................................................... 30
5.2.3. Flow Control Valve “On” Full Flow ......................................................... 33
5.2.4. Flow Control Valve Holding Back Pressure ............................................. 33
5.2.5. Flow Control Valve Relieving Back Pressure .......................................... 38
5.3. Meter ........................................................................................................................ 38
5.3.1
Meter Adjustment ..................................................................................... 38
5.4. Blend Valve .............................................................................................................. 43
5.5. Compact Pumping Unit ........................................................................................... 43
5.5.1. Priming the Compact Pumping Unit ........................................................ 43
5.6. Wayne Sump Assembly ........................................................................................... 45
Summary of Contents for Vista Series
Page 1: ...SERVICE Vista Blending and Non blending Suction Pumps and Remote Dispensers...
Page 4: ...Part No 917543 Rev A November 1992...
Page 12: ...x Part No 917543 Rev A November 1992...
Page 34: ...22 Part No 917543 Rev A November 1992 FIGURE 4 1 NOZZLE BOOT ASSEMBLY WITH MICRO SWITCH...
Page 35: ...23 November 1992 Part No 917543 Rev A FIGURE 4 2 NOZZLE BOOT ASSEMBLY WITH TILT SWITCH...
Page 36: ...24 Part No 917543 Rev A November 1992...
Page 53: ...41 November 1992 Part No 917543 Rev A FIGURE 5 7 METER CUTAWAY...
Page 54: ...42 Part No 917543 Rev A November 1992 FIGURE 5 8 METER ADJUSTMENT...
Page 58: ...46 Part No 917543 Rev A November 1992...
Page 69: ...57 November 1992 Part No 917543 Rev A FIGURE 7 1 REPLACING THE DUPLEX II COMPUTER...
Page 71: ...59 November 1992 Part No 917543 Rev A FIGURE 7 2 REPLACING THE INTRINSIC SAFE BARRIER BOARD...
Page 72: ...60 Part No 917543 Rev A November 1992 FIGURE 7 3 REPLACING THE INTEGRATED DISPLAY BOARD...
Page 75: ...63 November 1992 Part No 917543 Rev A FIGURE 7 5 REPLACING THE SOLENOID DRIVE BOARD...
Page 82: ...70 Part No 917543 Rev A November 1992...
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Page 110: ...98 Part No 917543 Rev A November 1992 FIGURE B 4 THE DEM IN THE SERVICE POSITION...
Page 112: ...100 Part No 917543 Rev A November 1992 FIGURE B 6 DUPLEX II COMPUTERS J3 CONNECTOR PINOUT...
Page 114: ...102 Part No 917543 Rev A November 1992 FIGURE B 8 DUPLEX II COMPUTERS J11 CONNECTOR PINOUT...
Page 115: ...103 November 1992 Part No 917543 Rev A FIGURE B 9 DUPLEX II COMPUTERS J6 CONNECTOR PINOUT...
Page 116: ...104 Part No 917543 Rev A November 1992 FIGURE B 10 DUPLEX II COMUTERS J1 CONNECTOR PINOUT...
Page 125: ...113 November 1992 Part No 917543 Rev A FIGURE B 18B 4 PRODUCT SOLENOID DRIVE BOARD...
Page 126: ...114 Part No 917543 Rev A November 1992 FIGURE B 18C BLENDER SOLENOID DRIVE BOARD...
Page 133: ...121 November 1992 Part No 917543 Rev A FIGURE B 24 MANUALLY TURNING THE PHOTOCOUPLER...
Page 139: ...127 November 1992 Part No 917543 Rev A FIGURE B 29 LIGHTED CASH CREDIT INTERFACE BOARD...
Page 144: ...132 Part No 917543 Rev A November 1992...
Page 145: ...133 November 1992 Part No 917543 Rev A APPENDIX C DISPENSER INTERNAL WIRING DIAGRAMS...
Page 146: ...134 Part No 917543 Rev A November 1992...
Page 150: ...138 Part No 917543 Rev A November 1992 1 6560 D INTERNAL WIRING DIAGRAM V390D...
Page 151: ...139 November 1992 Part No 917543 Rev A 3 6560 D INTERNAL WIRING DIAGRAM V399D...
Page 152: ...140 Part No 917543 Rev A November 1992 5 6560 D INTERNAL WIRING DIAGRAM V490D...
Page 153: ...141 November 1992 Part No 917543 Rev A 7 6560 D INTERNAL WIRING DIAGRAM V590D...
Page 154: ...142 Part No 917543 Rev A November 1992 9 6560 D INTERNAL WIRING DIAGRAM V387D...
Page 155: ...143 November 1992 Part No 917543 Rev A 11 6560 D INTERNAL WIRING DIAGRAM V390P...
Page 156: ...144 Part No 917543 Rev A November 1992 12 6560 D INTERNAL WIRING DIAGRAM V585D...
Page 157: ...145 November 1992 Part No 917543 Rev A 13 6560 D INTERNAL WIRING DIAGRAM V395D...
Page 160: ...148 Part No 917543 Rev A November 1992...
Page 162: ...150 Part No 917543 Rev A November 1992 FLOWCHART D1 PULSER FAILURE ERROR CODE XX 05 2...