Craftsman 390.2509 Owner's Manual page 11

1/2 hp shallow well water system
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MAINTENANCE
/ HELPFUL
HINTS
B. Place a small amount
of No. 2 non-hardeding
Permatex
on
surface
of insert
as shown.
Smooth
out with
finger.
See
Figure 15.
Wipe on small amount of
non-hardening Permatex
on this surface
Figure
15
C. Pull insert
into cavity as shown
in Figure 16.
Socket
"Bo,,
Figure
16
Cleaning
Shallow
Well
Jet
To remove
debris
from venturi
or nozzle,
proceed
as follows:
1.
Disassemble
pump
per instructions
on Page 8.
2.
Turn.venturi
counterclockwise
and remove
it. The nozzle
is
now exposed.
Remove
it using a 5/8" hex socket
wrench
with
extension.
Turn
counterclockwise.
If socket
wrench
is not
available,
insert an ice pick or similar pointed
tool carefully
into
the nozzle.
This will dislodge
debris.
3.
Flush out the debris
by running
water
through
the nozzle
in
the same
direction
as the dislodging
tool was inserted.
4.
Replace
nozzle
and venturi.
Do not overtighten!
5.
Reassemble
per pump
instructions
on Page
8.
HELPFUL
HINTS
How to Handle a Gaseous Well
In some areas well water
contains
gases which
must be allowed
to
escape
before
the water
is used.
This
can be done
as shown
in
Figure 18.
wire to hold
pipe sleeve
D. Clean
OUt any surplus
Permatex
from
Insert
cavity
where
new seal will be located.
See Figure 17.
Remove
L_
SUrrP/US
f_
ProperlyJ
Seated °
",_
Figure
I 7
Cleaning
Impeller
1.
Follow steps 1A through
1D under
"Disassembly
and Assembly
of Pump _ on Page 8.
2.
Remove
diffuser
and impeller
from
pump
per instructions
tinder
"Removing
Motor
for Service
and Replacing
Shaft Seal"
on Page 8.
3.
Clean
impeller
and reassemble
impeller
and diffuser
per
in-
structions
under
"Removing
Motor
for Serivce
and Replacing
Shaf_ Seal" on Page 8.
Not
pipe
to
vaJve
Scale
2369 0396
sleeve
cap
Figure
18
A good way of delivering
gas-free
water
is to suspend
a pipe,
closed
at the bottom
and open
at the top, surrounding
the suction
pipe.
Since
the gases
rise
in the well
casing,
the water
sucked
down
through
the pipe
and into the suction
pipe
is free of gas. This type
of well must
be vented
to the outside
of any enclosure.
11

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