dosatron D 25 F 1 Service Download Page 3

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Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.

Step 9:

Also, press the push rod down and look at the two actua-

tor springs on the bottom. If you see anything dirty or broken, it

needs to be cleaned or replaced.

Step 8:

While you have the piston out, do a visual inspection on

the white valve support on top.

Step 7:

Install the new seal into the groove on the plunger.

D25F Service

Summary of Contents for D 25 F 1

Page 2: ...ecommended when disassembling a Dosatron Step 6 To change the plunger seal Part J009 hold the piston firmly Pinch and roll the seal off of the plunger Step 5 Grasp the white valve support and pull the piston straight up and out of the body Set the body aside Step 4 Unscrew and remove it D25F Service ...

Page 3: ...osatron Step 9 Also press the push rod down and look at the two actua tor springs on the bottom If you see anything dirty or broken it needs to be cleaned or replaced Step 8 While you have the piston out do a visual inspection on the white valve support on top Step 7 Install the new seal into the groove on the plunger D25F Service ...

Page 4: ...as gloves eye wear and aprons are recommended when disassembling a Dosatron Step 12 Unscrew and remove the check valve barb Part P169 Step 11 Re install the lid hand tight Step 10 Carefully insert the piston into the body and press down until it stops D25F Service ...

Page 5: ...on Step 15 Now press the new check valve assembly into the stem as far as it will go Step 14 Then carefully pry the check valve assembly Part MPDI122 down and out of the stem A small flat blade screwdriver or pick will make it easier Discard the old check valve seal and assembly Step 13 Remove the check valve seal Part J051 D25F Service ...

Page 6: ...n Step 18 Before installing the suction hose inspect it If it flares out cut an inch or so off and reinstall Or if the suction hose is cracked rigid or looks really old just replace it Step 17 Thread it onto the white stem and hand tighten Step 16 Place the new check valve seal with the groove facing upward into the new barb D25F Service ...

Page 7: ...ommended when disassembling a Dosatron D25F Service Step 21 Hand tighten the nut Step 20 Slide it onto the barb Step 19 Now thread the suction hose nut onto the hose Note To watch the video go to Dosatron s video page www dosatronusa com videos aspx or YouTube Channel www youtube com user DosatronIntl ...