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Proper protection, such as gloves, eye wear, and aprons, are recommended when disassembling a Dosatron.
D14MZ10 Troubleshooting - Part 3
Step 6:
Another way to check the flanges is by doing a fit test. To
test the upper flange, invert the piston and insert it into the blue
bell housing.
NOTE:
It should fit snugly.
Step 5:
Visually inspect the upper and lower flanges on the
piston shell.
Step 4:
Grasp the piston and pull it straight out. Set the
body aside.