DOSATRON PJDI236-MINI Mini Maintenance Kit Instructions
- September 19, 2024
- DOSATRON
Table of Contents
DOSATRON PJDI236-MINI Mini Maintenance Kit
1-800-523-8499
www.dosatron.com
Kit Contents
CAUTION : Parts may contain concentrated chemicals. The use of Proper
Protective Equipment is recommended when performing maintenance.
To remove seal easily without tools, squeeze it on either side to raise the
seal, then slide it over the groove. Using sharp tools could damage the
plunger.
Instructions
(Parts included in kit noted in blue)
-
Unscrew hose nut (PDI790) and remove the hose.
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Unscrew injection stem assembly nut (PDI702) and pull down on the injection stem assembly (CDDI113) to detach from the body of the unit.
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From the tip of the exposed plunger (PDI736), pinch to remove the plunger seal (JDI105), then discard and replace with the NEW plunger seal.
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Hold the injection stem assembly and unscrew the check valve nut (PDI734).
Remove the check valve assembly (PJDI232) by pulling it down. -
Give the top guide (PDI739) 1/4 of a turn counter clockwise to remove, and discard. Discard the check valve spring (MDI358), check valve cone (PDI729) and check valve cone o-ring (JDI105).
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Install the new check valve cone o-ring (JDI105) and spring (MDI358) onto the check valve cone (PDI729) as shown, then insert on the check valve barb with the cone part going down. Place the new top guide (PDI739) on top of the cone and push down turning 1/4 clockwise to lock.
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Apply Dosa-Lube on the check valve o-ring. Insert the updated check valve assembly (PJDI232) back into the bottom of the injection stem assembly (CDDI113), making sure the 4 keys on the ckeck valve seat next to the 4 keys on the bottom of the stem.
Screw check valve nut (PDI734) back on. -
Rub a small amount of Dosa-Lube onto the injection sleeve o-ring (JDI100), and attach the injection stem assembly back onto the blue body. Screw nut (PDI702) back on.
Cut 1” from the tip of the hose in a straight line and insert the hose back onto the bottom of the check valve barb. Screw hose nut (PDI790) back on.
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