dosatron D25RE2 Betriebsanleitung
Page 1
800-523-8499
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Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 3: Then, remove the hose.
Step 2: If there is still no suction, turn the water on. If the unit is
clicking, unscrew and remove the suction hose nut.
NOTE: To service your D25RE2 you will need a strap wrench
(Part #: TOOL01) and a small tip Phillips head screwdriver.
Step 1: If your Injector is clicking, but not drawing the concentrate,
it could be as simple as the strainer is plugged with debris. Take
a look at the strainer. If it is clogged, clean it out and re-test your
Dosatron.
D25RE2 Troubleshooting - Part 1
This D25RE2 Troubleshooting will cover: The Injector is not drawing the concentrate,
but is clicking.
Scan the QR code to
watch our D25RE2 -
Troubleshooting video.
Strap Wrench TOOL01
Pick TOOL02
Plunger Seal J009
Check Valve Seal J051
Check Valve Assy. MPDI122
Actuator Spring M238
Piston Shell P421
Push Rod O-ring J020
Page 2
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 6: If you don’t see liquid moving up the tube or you don’t feel
suction on your nger, turn the water off. Press the air bleed button
on the lid a couple times to release the pressure.
Step 5: If you feel suction, just cut a half inch off the top of the
hose and reattach. You should see the liquid begin moving up the
suction tube.
Step 4: Check to see if you feel suction on your nger.
D25RE2 Troubleshooting - Part 1
Page 3
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 9: Grasp the white valve support and pull the piston straight
out of the body. Set the body aside.
Step 8: Unscrew to remove and set the lid aside.
Step 7: Using a strap wrench (Part #: TOOL01), loosen the lid.
D25RE2 Troubleshooting - Part 1
Page 4
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 12: Install the new seal (Part #: J009) into the groove.
Step 11: To replace the seal, pinch and roll it off of the plunger.
Step 10: Take a close look at the plunger seal for nicks, scratches,
or wear. If you see damage or don’t remember the last time you
changed the seal, just replace it now.
D25RE2 Troubleshooting - Part 1
Page 5
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 14: Replace the lid, hand tight. Your Injector should now be
drawing the concentrate. Step 1:
Step 13: Carefully, insert the piston into the body.ws
D25RE2 Troubleshooting - Part 1
Page 6
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 3: Unscrew and remove the check valve barb (Part #:J051).
Step 2: Remove the suction hose.
D25RE2 Troubleshooting - Part 2
If your Injector is pushing water down into the concentrate
container, it’s time to investigate the check valve.
Step 1: To do this, remove the hose nut.
This D25RE2 Troubleshooting will cover: The Injector is pushing water down into your
concentrate container, but is clicking.
Page 7
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
D25RE2 Troubleshooting - Part 2
Step 6: Inspect the seal (Part #: J051) and the check valve
assembly (Part #: MPDI122). If they are dirty, you may be able to
soak, brush off, and reinstall. If you see damage or if you don’t
remember the last time you changed these parts, just replace
them now.
Step 5: Then carefully pry the check valve assembly down
and out of the stem. A small at blade screwdriver or pick
(Part #: TOOL02) will make this easier.
Step 4: Remove the check valve seal.
Page 8
D25RE2 Troubleshooting - Part 2
Step 8: Place the check valve seal with the groove facing upward
into the new barb.
Step 9: Thread it onto the white stem and hand-tighten.
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 7: To reassemble, press the new check valve assembly into
the stem as far as it will go.
Page 9
D25RE2 Troubleshooting - Part 2
Step 11: Slide it onto the barb.
Step 12: Hand tighten the nut. This should stop the water from
dripping back into the stock tank.
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 10: Thread the suction hose nut onto the hose.
Page 10
D25RE2 Troubleshooting - Part 3
Step 2: Unscrew to remove and set the lid aside.
Step 3: Grasp the white valve support and pull the piston straight
out of the body.
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 1: If the unit isn’t clicking, use a strap wrench
(Part #: TOOL01) to loosen the lid.
This D25RE2 Troubleshooting will cover: The Injector is not clicking.
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