SYMPTOM
Injection
Under injection
Leaks
Leaks in the vicinity
of the fixing ring
under the body
housing
Leaks between the
setting sleeve and
the blocking ring
Leaks between the
body and the cover
DECLINES ALL RESPONSIBILITY IF THE DOSATRON
IS USED IN CONDITIONS THAT DO NOT CORRESPOND
TO THE OPERATING INSTRUCTIONS AS INDICATED
CAUSE
Suction of air
Dirty or worn check
valve seal.
Maximum flow
exceeded (cavitation)
Worn plunger seal
Worn injection stem
Injector sleeve seal
is damaged or
positioned incorrectly
Injector stem
seal damaged,
positioned incorrectly
or missing
Cover seal perished,
incorrectly fitted
or absent
THE MANUFACTURER
IN THIS MANUAL
©
DOSATRON INTERNATIONAL / 47
SOLUTION
1. Check the tightness of
the nuts in the injection
area
2. Check suction tube
Clean or replace it.
Reduce flow
Replace it
Replace it
Replace it
Replace it
Unscrew the bell,
clean the seal seating,
replace or change the seal.
Position correctly
the bell.