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Routine Maintenance Instructions
Step 1.
Unscrew LOWER END
CYLINDER ASSEMBLY from
body. Remove LOWER END
CYLINDER ASSEMBLY
Step 3.
Pry the #15 SEAL RETAINER from
the injector. Pry #17 O-ring from the
unit. NOTE: O-ring may still be
seated at the base of the unit.
Step 2.
Rotate #51 SHAFT 90º and pull
from body.
Step 4. For 2.5% & 5%
Replace #44 DOSAGE PISTON
fl ared-end up and #14 O-ring.
Step 5.
Reinsert #15 SEAL RETAINER
and #17 O-ring onto # 51
SHAFT ASSEMBLY.
Step 6.
Reinsert #51 SHAFT ASSEMBLY into
body and rotate 90º to lock. Confi rm
the shaft is locked in by gently
tugging on the shaft. Shaft should
remain inserted.
Step 7.
Screw LOWER END CYLINDER
ASSEMBLY onto body. Ensure
#16 gasket is seated on the top
of cylinder assembly.
Step 4b. For 0.03%.
Replace LOWER SHAFT assembly
into upper shaft.
↓
Step 4a. For 2.5% WSP
Pinch and pull #44 DOSAGE
GASKET over the retainer lip. Slide
off the #51 SHAFT ASSEMBLY.
↓
↓