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D25F Troubleshooting - Part 3
Step 5: Check the two actuator springs (Part #: M238) on the
bottom. If they are broken or missing, just replace them.
Step 6: You can check the piston shell by inspecting the upper
and lower anges. If they are worn or have deep scratches, the
piston shell (Part #: P421) needs to be replaced. Also, check the
piston shell’s t inside the body. To do this, invert the piston and
slide it into the body. It should be a snug t. If it feels loose, the
piston shell and push rod o-ring needs to be replaced.
800-523-8499
www.dosatronusa.com
Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
Step 4: Press the pushrod down.
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