Cleaning The Point Of Injection - Stenner M128 Serie Manual De Instalación Y Mantenimiento

CLEANING THE POINT OF INJECTION

1. Disconnect power by unplugging pump power cord. Disable water pump or auxiliary
equipment electrical supply.
2. Depressurize system and bleed pressure from pump discharge line.
3. Loosen and remove connecting nut and ferule from the injection check valve or
injection fitting to disconnect discharge line.
26-100 psi Model (includes injection check valve)
• Unscrew the top fitting (check valve body) to disassemble. The bottom fitting
(injection fitting with arrow) should remain attached to the pipe.
• Remove duckbill from check valve body and replace if deteriorated or swollen
(replace duckbill with every tube change). If clogged, clean or replace.
• Examine O-ring in the injection fitting and replace if deteriorated or damaged.
4. Insert a #2 Phillips head screwdriver through injection fitting into the pipe to locate or
break up accumulated deposits. If screwdriver cannot be inserted, drill the deposit out
of the injection fitting. (DO NOT drill through the opposite pipe wall.)
Clean out accumulated
deposits with a #2 Phillips
head screwdriver.
Periodic inspection and cleaning of the point
of injection will maintain proper pump
operation and provide maximum tube life.
Replace Duckbill
US and Canada 800.683.2378, International 904.641.1666
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