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earth safe
Fuel Systems for Critical Power
earth safe
Fuel Systems for Critical Power
Troubleshooting — General
1. Pump does not start:
Check power to motor starters and controllers,
check emergency stop,
check motor overloads.
2. Overload trips:
Check relief valve settings.
Check for debris in pump head.
3. Excessive noise / vibration:
Cavitation due to inlet conditions.
4. Excessive inlet suction:
Check and clean strainer.
Check foot valve at tank.
Check suction pipe size and vertical lift.
5. Insufficient inlet suction:
Check for prime in suction piping.
Test inlet piping for leaks.
6. Fluttering Suction reading:
Check for prime in suction piping.
Test inlet piping for leaks.
Confirm inlet conditions to avoid pump cavitation.
7. Excessive Discharge pressure:
Check for closed valve or other blockage.
Check pipe relief valve settings.
Check for thermal expansion relief in discharge piping.
EMERGENCY POWER FUEL SYSTEMS
Model M20
Duplex Fuel Pump
INSTALLATION, OPERATION, AND MAINTENANCE
