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Stennicator
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
POSSIBLE CAUSE
SOLUTION
Tube leaking
Pump tube ruptured
Replace pump tube according to instructions
Calcium or mineral deposits
Clean injection fitting, replace pump tube
according to instructions
Excessive back pressure
Ensure system pressure does not exceed
80 psi (5.5 bar) max.
Tube is twisted
Replace pump tube according to instructions
Tube not centered
Replace pump tube according to instructions
Tube life is shortened
Chemical attack
Check chemical compatibility
Mineral deposits at injection point
Remove deposits, replace pump tube
according to instructions
Sediment blockage at injection fitting
Maintain suction line 2-3" above bottom of tank
Seized rollers caused abrasion on tube
Clean roller assembly or replace
Exposure to heat or sun
Do not store tubes in high temperatures or
in direct sunlight
Tube connection is leaking
Missing ferrule on suction or discharge line
Replace ferrule
Crushed ferrule
Replace ferrule
Ferrule in wrong orientation
Beveled end of ferrule should face
tube fitting
