Stenner ECON LD Serie Manual De Instalación Y Mantenimiento página 20

TROUBLESHOOTING – PUMP TUBE
NOTICE: A leaking pump tube damages the metering pump. Inspect pump frequently
for leakage and wear. Refer to Tube Replacement section for additional safety
precautions and instructions.
PROBLEM
Tube leaking
Tube life is shortened
Tube connection is leaking
20
Econ LD
POSSIBLE CAUSE
Pump tube ruptured
Calcium or mineral deposits
Excessive back pressure
Tube is twisted
Tube not centered
Incompatibility with fluid
Mineral deposits at injection point
Sediment blockage at injection fitting
Seized rollers caused abrasion on tube
Exposure to heat or sun
Missing ferrule on suction or discharge line
Crushed ferrule
Ferrule in wrong orientation
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SOLUTION
Replace pump tube and ferrules
Clean injection fitting, replace pump tube
and ferrules
Ensure system pressure does not exceed
80 psi (5.5 bar)
Replace pump tube and ferrules
Replace pump tube and ferrules
Check compatibility
Remove deposits, replace pump tube
and ferrules
Maintain suction line 2-3" above bottom of tank
Clean roller assembly or replace
Do not store tubes in high temperatures or
in direct sunlight
Replace ferrule
Replace ferrule
Reverse orientation of ferrule