Manual

Page 13
LAKOS SST & PRO II Installation and Operations Manual
RE-ASSEMBLING THE SHAFT
1. Be sure that the shaft is clean and free of any debris in the groove. Carefully slide the o-ring
onto the shaft and into the groove. Apply a small amount of petroleum jelly to lubricate the
o-ring.
2. Clean the inside of the stainless steel bushing.
3. Attach the shaft to the piston, using an allen wrench.
4. Place the spring over the shaft, allowing it to rest on the inside of the piston.
5. Guidethethreadedendoftheshaftthroughthebushing,usingextracarewhentheo-ring
enters the bushing.
6. Test the movement of the shaft in the bushing. It should glide smoothly, not allowing the o-ring
to slip out of its groove. If the o-ring does move, apply more petroleum jelly to the o-ring and
shaft.
RE-ATTACHING THE DISC
1. L-0801-A Valve: Position the stainless steel insert on the bevelled side of the disc against the
atsurfaceinsidetheinletofthevalvebody.
2. L-0801-B Valve: Positionthestainlesssteelinsertandrubberguardplateagainsttheat
surface inside the inlet of the valve body.
3. Slidetheshaftassemblyfromthebacksideofthevalvebody,throughthebackwashoutlet
chamberandtowardthebackwashvalve’sinlet.Attachtheshafttothedisc,securingtheshaft
witha7/16-inchwrenchandtighteningthelocknutontothedisc.
4. Applypressuretothepistonandagainchecktheshaftforsmoothtravelthroughthebushing.
RE-ATTACHING THE DIAPHRAGM
1. Thediaphragmismarkedtoidentifythe“pressureside”,whichshouldbethesidefacingthe
rearofthevalve(exposedtothesolenoid).Avoidwrinklingorpinchingthediaphragmbetween
the piston and the valve body.
2. Atthispoint,re-installthebackwashvalveontotheltertankandmanifolds,usingthe
grooved-end couplings.
3. Aligntheholesonthelipofthediaphragmwiththeholesonthebackwashvalvebody.
4. Placethebackwashvalve’sbackcoverintoposition,beingcarefultokeepthelipofthe
diaphragmatagainstthevalvebody(creatingagasketbetweenthevalvebodyandback
cover).Thesolenoidshouldbeinthetop(12o’clock)position.
5. Insertthebolts,slideonthelock-washersandsecurethenutstormlyre-attachtheback
covertothebackwashvalve.