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Inspect the strainer for blockages that may prevent concentrate draw.
Turn water on and unscrew the suction hose nut to check for suction.
Disconnect the suction hose from the unit for further inspection.
Place finger on hose end to feel for suction when water is on.
Trim hose if suction is felt and reattach to check liquid movement.
Turn water off and press air bleed button to release residual pressure.
Use a strap wrench to loosen and remove the unit's lid.
Unscrew the component to facilitate its removal from the body.
Grasp the white valve support and pull the piston straight out of the body.
Examine the plunger seal for nicks, scratches, or wear; replace if damaged.
Pinch and roll the old seal off the plunger and install the new one.
Fit the new seal into the groove on the plunger.
Carefully insert the piston back into the main body of the Medicator.
Replace and hand-tighten the lid to complete the assembly.
Remove the hose nut to begin inspecting the check valve.
Detach the suction hose after removing the hose nut.
Unscrew and remove the check valve barb from the unit.
Extract the check valve seal (Part #: J051) from its housing.
Use a tool to carefully pry the check valve assembly out of the stem.
Inspect the seal and assembly for dirt or damage; clean or replace as needed.
Press the new check valve assembly firmly into the stem.
Position the check valve seal with the groove facing upward into the new barb.
Screw the barb onto the white stem and hand-tighten securely.
Screw the suction hose nut onto the end of the suction hose.
Connect the suction hose onto the installed check valve barb.
Tighten the hose nut by hand to prevent water from dripping back.
Unscrew and remove the lid if the Medicator is not clicking.
Grasp the white valve support and pull the piston straight out of the body.
Examine the white valve support on top of the piston for any visible issues.
Apply downward pressure on the pushrod to test its movement.
Inspect the actuator springs for breaks or missing parts; replace if necessary.
Inspect the piston shell flanges for wear or scratches; check its fit in the body.
Use a screwdriver to remove the valve support screw and retainer for piston shell replacement.
Push the pushrod upwards to facilitate component removal or adjustment.
Carefully slide the valve support off the inlet valve.
Remove the four screws in the piston shell to detach the actuator assembly.
Pull the actuator assembly out and discard the old piston shell.
Place the new push rod o-ring onto the push rod and slide it into position.
Place the actuator assembly into the shell in the correct orientation.
Tighten the four screws in a star pattern to secure the assembly.
Test the plastic portion for side-to-side movement and re-tighten screws if needed.
Slide the valve support back onto the inlet valve if no movement is detected.
Place the retainer and hand-tighten the screw to secure the valve support.
Press the pushrod from top and bottom to ensure it clicks correctly.
Carefully insert the assembled piston back into the blue body of the Medicator.
Replace and hand-tighten the lid to finalize the repair process.
The provided document is a troubleshooting guide for the Dosatron D25F Medicator, a water-powered dosing technology. It outlines solutions for three common issues: the medicator clicking but not drawing concentrate, pushing water down into the stock solution tank, and not clicking at all.
The Dosatron D25F Medicator is a water-powered device designed for precise dosing of concentrates into a water line. It operates without electricity, using the flow of water to power a piston that draws and injects the concentrate at a set ratio. This ensures consistent and accurate mixing of solutions for various applications, such as agriculture, horticulture, livestock, and water treatment. The device's primary function is to maintain a desired concentration of a stock solution within a flowing water system.
The guide references several parts by their part numbers, which can be considered technical specifications for maintenance and repair:
These part numbers indicate specific components that are critical to the medicator's operation and are subject to wear and tear, requiring periodic replacement. The device is designed to be disassembled for maintenance, suggesting a modular construction.
The Dosatron D25F is designed for ease of use and maintenance, as highlighted by the troubleshooting steps:
The troubleshooting guide is essentially a comprehensive maintenance manual, detailing various aspects of device upkeep:
In summary, the Dosatron D25F Medicator is a robust, water-powered dosing device designed for reliable and accurate concentrate injection. Its modular construction and the availability of detailed troubleshooting and maintenance instructions, along with specific replacement parts, ensure its long-term usability and ease of repair.
General| Brand | dosatron |
|---|---|
| Model | D25F |
| Category | Laboratory Equipment |
| Language | English |
