Fastprime™ Valve O-Ring Replacement - Milton Roy Roytronic A Series Instruction Manual

MAINTENANCE
5.6 FastPrime™ Valve O-Ring Replacement
ALWAYS wear protective clothing, face shield, safety glasses and gloves when performing
any maintenance or replacement on your pump.
Refer to the LMI Metering Pump Price List for the proper Spare Parts Kit or RPM Pro
Pac
1. Be sure the Injection Check Valve is properly installed and is operating. If a shut off
Be sure your relief tubing is connected to your FastPrime
tion drum or tank.
2. Turn the FastPrime
3. Hold return line tubing upright until solution drains back into solution drum or
4. Using a 3/4" (or 19mm) socket or wrench remove Retaining Nut, and pull out the
5. Reinsert the FastPrime
INCORRECT
CORRECT
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kit number or contact your local LMI stocking distributor.
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valve has been installed downstream of the Injection Valve, it should be closed.
Knob one-and-a-half turns counter-clockwise Q. This will de-
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pressurize the head. Keep valve open. Carefully remove the return line by gently pulling
tubing and moving it from side to side to gradually back tubing off of the barbed
fitting.
tank.
entire FastPrime™ Valve assembly. Remove and replace the two small O-rings.
Knob clockwise P to tighten knob to closed position. To avoid dam-
the FastPrime
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aging the parts, it is important that the flange on the FastPrime™ Valve is flush with
the Retaining Nut prior to reassembly.
Valve assembly and retighten the Retaining Nut. Then turn
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Note gap between Flange
and Retaining Nut.
No gap between Flange
and Retaining Nut.
valve and runs back to your solu-
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