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watch our D8RE2 -
Troubleshooting video.
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
D8RE2 Troubleshooting - Part 1
This D8RE2 - 40 GPM Troubleshooting Part 1 will cover: The injector is clicking, but not
drawing the concentrate.
800-523-8499
www.dosatronusa.com
Step 1: Take a look at the strainer. If it is clogged clean it and
retest your Dosatron. If there is still no suction but the Dosatron is
clicking turn the water on.
Step 2: Unscrew and remove the suction hose nut and hose.
Step 3: Then, check to see if you feel suction on your finger.
Page 1
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Summary of Contents for dosatron D8RE2
- Page 1 Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 1 This D8RE2 - 40 GPM Troubleshooting Part 1 will cover: The injector is clicking, but not drawing the concentrate. Step 1: Take a look at the strainer. If it is clogged clean it and retest your Dosatron.
- Page 2 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 1 Step 4: If you feel suction, just cut a half inch off the top of the hose and reattach. If the hose is cracked, ridged, or looks really old just replace it.
- Page 3 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 1 Step 7: Unscrew the suction hose nut. Step 8: Remove the suction hose. Set it aside. Step 9: Unscrew the injection stem nut.
- Page 4 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 1 Step 10: Pull the injection stem straight out from the body of the injector. Step 11: Take a close look at the plunger seal for nicks, scratches, or wear.
- Page 5 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 1 Step 13: Install the new one into the groove on the plunger. Step 14: To reinstall the injection stem, align the notches in the lower part of the blue body with the teeth on the top of the injection stem assembly.
- Page 6 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 1 Step 16: If the scale you prefer is not facing out, just loosen the stem nut and remove.
- Page 7 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 1 Step 19: Your injector should now be drawing the concentrate. Page 7...
- Page 8 Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 2 This D8RE2 - 40 GPM Troubleshooting Part 2 will cover: The injector is pushing water down into the concentrate tank.
- Page 9 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 2 Step 4: To inspect the check valve parts, hold the assembly and twist the white top guide one quarter turn counter clockwise to remove.
- Page 10 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 2 Step 7: Insert the cone into the top of the barb. Step 8: Then slide the spring over the shaft.
- Page 11 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 2 Step 10: Align the guide and twist it one quarter turn clockwise to lock. Step 11: Give it a tug to make sure everything is in position.
- Page 12 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 2 Step 13: Reinstall the check valve nut. Step 14: Thread the suction hose nut onto the hose. Step 15: Slide it onto the barb and hand tighten the nut. This should stop the water from dripping back into the concentrate tank.
- Page 13 Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 3 This D8RE2 - 40 GPM Troubleshooting Part 3 will cover: The injector isn’t clicking or is stalling at low flow.
- Page 14 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 3 Step 4: Holding the piston, press the push rod up and down. NOTE: It should click in both directions. If not, please give us a call for assistance at 800-523-8499.
- Page 15 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 3 Step 7: To test the lower flange remove the plunger by turning it a quarter turn counter clockwise and pulling it straight out.
- Page 16 800-523-8499 www.dosatronusa.com Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron. D8RE2 Troubleshooting - Part 3 Step 10: Twist it a quarter turn clockwise to lock. Step 11: Now insert the piston back into the blue body.
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