Gasboy Gilbarco Global Pumping Unit Operation Manual Manuel d'utilisateur télécharger pdf (Page 29)

MDE-4447A Global Pumping Unit Operation and Service Manual · May 2008 Page 25

Troubleshooting Using Gauge Readings Troubleshooting

Figure 5-5: Gauge Troubleshooting 2

At Control Valve

Cover

At Strainer (or Filter)

Cover

At Control Valve

Cover

At Strainer (or Filter)

Cover

At Control Valve

Cover

At Strainer (or Filter)

Cover

Symptoms: No Flow; Nozzle Open

Probable Causes:

• Seized Meter

• Jammed Computer or Geared

Box

• Completely Restricted Nozzle or

Hose

Symptoms: Slow or No Flow; Pump

Laboring; Nozzle Open

Check Inlet Side

Probable Causes:

• Supply Line Restriction

• Stuck Foot Valve (in Tank)

• Angle Check Valve or Vertical

Check Valve

• Restricted Tank Vent

Symptoms: Slow or No Flow;

Nozzle Open

Check Outlet Side

Probable Causes:

• Control Valve not Opening Fully

• Pump Vapor Locked

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 41 42

Pas de commentaire

Gasboy Gilbarco Global Pumping Unit Operation Manual Manuel d'utilisateur Page 29