Hardi NAVIGATOR 3000, Instruction Book

Page: 23 / 104

3 - De scri p tion
3 .7
F i l t e rs
A n Ea s yCl e a n s uct ion f i lt er is f i tt e d in th e w or k in g z one . It ha s a bu i lt- in valv e that cl oses wh en th e f i lt er is o p ene d f or
ins p e ct ion or cl e a nin g.
A Cycl one p ress u re f i lt er is f i tt e d t o th e s p r ay ers ri ght si d e ju s t in f ron t o f th e Ch e mL o ck er ( o pt ion al e qu i pm en t). It ha s a bu i lt-
in se lf-cl e a nin g fu n ct ion .
I n -l ine p ress u re f i lt ers ca n b e f i tt e d at e ach b oo m se ct ion a s a n o pt ion .
N o zzl e f i lt ers a re f i tt e d at e ach no zzl e .
All f i lt ers s h o uld alway s b e in u se a n d th eir fu n ct ion ch e ck e d re gula r ly. Pay att en t ion t o th e c orre ct c o mb in at ion o f f i lt er a n d
m es h si z e ( see “ S p r ay T e ch ni qu e ” b oo k).
Cy c l on eF i l t e r
W i th th e Cycl one F i lt er , th e i mpu ri t ies that e x is t in th e s p r ay l i qu i d w i ll by-
pa ss th e f i lt er a n d b e re c ir culat e d back t o th e ta n k v i a th e re tu rn fl o w.
1. Fu n ct ion d i ag r am
2. F i lt er l i d
3. F ro m pump
4. T o b oo m
5. R e tu rn t o ta n k
6. R e tu rn valv e
V alv e (5) ha s th ree p osi t ions ma r k e d w i th s mall d o t s on th e l e v er :
P osi t ion A (Ma r k e d w i th 1 d o t): Th ere is no re tu rn fl o w. P osi t ion is u se d
wh en flu s h in g th e b oo m i f th ere is s p r ay l i qu i d in th e ma in ta n k. Al so
u se d wh en h i gh s p r ay in g v o lum e is re qu ire d.
P osi t ion B (Ma r k e d w i th 2 d o t s ): N or mal s p r ay in g p osi t ion . W i th re tu rn
fl o w t o p re v en t cl o gg in g th e f i lt er wh en s p r ay in g. P osi t ion is u se d wh en
flu s h in g th e b oo m i f th e ma in ta n k is e mpty.
P osi t ion C (Ma r k e d w i th 3 d o t s ): Flu s h in g p osi t ion , wh i ch is u se d i f f i lt er
is cl o gg e d. L i ft a n d h o ld th e l e v er t o u se th is p osi t ion wh i ch la r g e ly
in c re a ses re tu rn fl o w a n d cl e a ns th e f i lt er .
€
DANGER! N e v er o p en th e Cycl one f i lt er u n l ess th e p ress u re S ma r t V alv e a n d s uct ion valv e a re b o th cl ose d (tu rne d t o
th e u n u se d p osi t ion )! Oth er w ise s p r ay in g l i qu i d c o uld h i t y o u wh en o p enin g th e f i lt er a n d d r a in th e ma in ta n k
c on t en t s !
˜
ATTENTION! Use o f p osi t ion C is no gua r a n t ee f or a cl e a n f i lt er . Alway s re gula r ly d o a v is ual ins p e ct ion a n d cl e a nin g
o f th e f i lt er . If nee d e d, see “ 10 h o u rs ser v i c e - Cycl one f i lt er ” in Ma in t en a n c e se ct ion .