dosatron D3 - Page 42

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SYMPTOM CAUSE SOLUTION
Dosing
Under dosing
Air tightness problem.
1.Check the that the
injection assembly nuts
are correctly tightened
2.Check the condition of
the suction hose.
Suction valve seal worn
or dirty.
Clean or replace it.
Overflow (cavitation)
Reduce the flow.
Worn plunger seal replace it
Scratched dosing pump
body Replace it.
Leaks
Leaks near the fixing
nut under the pump
body.
Damaged, incorrectly
positioned or missing
dosing body seal.
Correctly position or
replace it.
Leaks between the
adjustment sleeve and
the dosing locking nut.
Dosing pump body seal
damaged, incorrectly
positioned or missing.
Correctly position or
replace it.
Leaks between the
body and top cover.
Top cover seal
damaged, incorrectly
fitted or missing
Position it correctly, clean
the seal face or replace it.