Dover HydroSystems Superdos 15 5 Manuale operativo - Pagina 11

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Routine Maintenance Instructions

Step 1.

Unscrew LOWER END

CYLINDER ASSEMBLY from

body. Remove LOWER END

CYLINDER ASSEMBLY.

Step 4. For 2.5% & 5%

Replace #44 DOSAGE PISTON

flared-end up and #14 O-ring.

0.3% only: Replace #51 SHAFT

ASSEMBLY. See Step 5a.

Step 6.

Reinsert #15 SEAL RETAINER

and #17 O-ring onto #51

SHAFT ASSEMBLY.

Step 2.

Rotate #51 SHAFT 90º

and pull from body.

Step 5. For 2.5% WSP

Pinch and pull #44 DOSAGE

GASKET over the retainer lip.

Slide off the #51 shaft assembly.

Step 7.

Reinsert #51 SHAFT ASSEMBLY

into body and rotate 90º to lock.

Confirm the shaft is locked in by

gently tugging on the shaft. Shaft

should remain inserted.

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 5a. For 0.3%.

Replace LOWER SHAFT

assembly into upper shaft.

Step 8.

Screw LOWER END CYLINDER

ASSEMBLY onto body. Ensure

#16 GASKET is seated on the

top of cylinder assembly.