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1365 N. Clovis Avenue • Fresno, California 93727 USA

Telephone: (559) 255-1601 • Fax: (559) 255-8093

Toll-Free: (800) 344-7205 (USA, Canada & Mexico)

www.lakos.com • E-mail: [email protected]

LS-452B (Rev. 6/99)

Printed on recycled paper

INSTALLATION

1. Apply a small amount of non-petroleum lubricant to the rubber seal (K) on the SUB-K’s Pump

Enclosure Shell.

2. Slide the Pump Enclosure Shell (D) over the submersible pump suction screen (C). A notch (J) is provided

on the rubber seal to accommodate the pump’s drop-wire shield (B). If necessary, trim the rubber seal or cut

away the drop-wire shield 4 inches (102 mm) up from the submersible pump suction screen (C).

3. Tighten the rubber seal around the pump using the large, stainless steel adjustable clamp (H) at a point 

4 inches (102 mm) above the pump’s suction (A).

(G)
Minimum 
submergence of 
SUB-K Separator
below pumping water 
level: 30 feet (9.2 m)

(F)
Recommended 
minimum clearance 
to bottom of well: 
20 feet (6.1 m)

Sand accumulates above 
the LAKOS Separator’s 
flexible “Flapper Valve” until 
pump shuts off, releasing 
separated particles deep 
into well

(E)
LAKOS SEPARATOR

LAKOS Separator's 
tangential inlet slots

Water well casing

SUB-K

SEPARATOR

(D)
SUB-K Pump 
Enclosure Shell

(C)
Submersible pump
suction screen

(B)
Pump's electrical 
wire shield

(A)
SUB-K shell is 
clamped to pump 
(above pump suction)

Sand-free water is pumped 
to the surface.

(K)
Rubber seal is 
clamped onto 
pump (above 
pump’s suction)

PUMP ENCLOSURE SHELL 
(Top View)

(H)
Adjustable
clamp

(J)
Notch for 
pump’s
electrical cord 
shield

4. The SUB-K Separator (E) can now be

attached onto the bottom of the Pump

Enclosure Shell. Use the self-tapping screws

for Model SUB-99-6-K or threaded

connections for all other SUB-K models.

5. Lower the pump and SUB-K unit into the well

to a depth that allows the Separator to be

submerged at least 30 feet (9.2 m) below the

pumping water level (G) and at least 20 feet 

(6.1 m) above the bottom of the well (F).

6. Run water system in the normal manner. The

LAKOS SUB-K Separator will operate from

the flow of the water and will require no

routine maintenance.

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