Hardi NAVIGATOR 3000, Инструкция

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6 - Ma int e n a nc e
6.8
P u mp valve s a n d d i aph r agm s r epla c eme nt
M o d e l 1303 pump s :
D i aph r agm pump o v er haul k i t (valv es , se al s , d i aph r agm s e tc.) ca n b e
or d ere d. M o d e l 1303 : pa r t N o . 7 5 06 5 8
V alv es
R e m o v e valv e c o v er ( 1 ). B e f ore cha n g in g th e valv es ( 2 ) - no t e th eir
orien tat ion so th e y a re re plac e d c orre ctly! It is re c o mm en d e d t o u se
ne w O- rin g s ( 3 ) wh en cha n g in g or ch e ck in g valv es .
D i aph r agm s
R e m o v e th e d i aph r agm c o v er (4). R e m o v e th e d i aph r agm b o lt. Th e
d i aph r agm (5) may th en b e cha n g e d. If flu i d s hav e re ach e d th e
c r a n kca se , re -g re a se th e pump th oro ughly. Al so ch e ck that th e d r a in
h o l e at th e b o tt o m o f th e pump is no t bl o ck e d.
R e a sse mbl e w i th th e f o ll o w in g t or qu e se tt in g.
V alv e c o v er : 45 Ft/lb ( 60 Nm)
D i aph r agm c o v er : 5 0 Ft/lb ( 70 Nm)
D i aph r agm b o lt: 45 Ft/lb ( 60 Nm)
C on e c he ck / r epla c eme nt f or p r e ssur e r eg u la tion valve
If i t b e c o m es d i ff i cult t o bu i ld up s uff i c ien t p ress u re or i f p ress u re
fluctuat ions o ccu r , i t may b e ne c ess a r y t o re plac e c one a n d cyl in d er .
1. R e m o v e 4 x s c re w s (A) a n d re m o v e th e h o u sin g.
2. R e m o v e 4 x s c re w s (B).
3. R e plac e cyl in d er (C) a n d O- rin g (D).
4. L oosen th e n ut (E), re m o v e a n d re plac e th e c one (F).
5. R e a sse mbl e in re v erse or d er .