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Craftsman 390.252158 Owner's Manual page 7

Professional 1/2 hp shallow well water system
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OPERATION
Priming the Pump
NOTICE:
To properly
prime
the pump,
install a pipe tee in
the discharge
piping
(see Figure
1, Page 4).
To prevent
damage
to internal
parts,
do not start motor
until
pump
has been
filled with water.
To prime pump:
1.
Remove
priming
plug
(Purchase
separately;
Figure
1,
Page 4).
2.
Fill pump
with water.
3.
Replace
priming
plug, using Teflon
tape or Plasto-Joint
Stik _ on plug threads; tighten
plug.
4.
Start the pump.
Water
should
be pumped
in 1-2 minutes.
If not, repeat
steps
I, 2 and 3.
On shallow
depths
to water
(10 feet or less), the pump
.
will probably
prime
the first time
after the following
steps 1 through
4 above.
From
10 to 20 foot depths,
you might have to shut off
the pump
and repeat steps 1, 2 and 3 several Omes.
If, after
priming
pump
several
times,
no
water
is
pumped,
check
the following:
A. Be sure suction
pipe is in the water.
B. Be sure suction
pipe does not leak.
C. Be sure that pump
is not trying to lift water
too high
(see "Piping in the Well", Page 4).
D. As long as foot valve and check
valve function
cor-
rectly and suction
pipe does not develop
leaks, pump
should
not need repfiming
in normal
service.
z Lake Chemical
Co., Chicago,
Illinois
MAINTENANCE
Lubdcation
It is not necessary
to lubricate
the pump
or its motor.
The
motor
bearings
are lubricated
for life. The mechanical
shaft
seal in the pump
is water
lubricated
and self-adjusting.
Draining
for Winter
IAWARNING ] Risk of electric
shock.
Disconnect
power
before
working
on unit.
Pump
should
be drained
whenever
it is disconnected
from
service
or is in danger
of freezing.
1.
DISCONNECT
POWER.
2.
Open
faucet
and relieve
all pressure
on .system before
proceeding.
3.
Disconnect
pressure
switch
tube (Key No. 17, Page 12)
at barbed
elbow
on pressure
switch
(Key No. 28) and
allow tube to drain.
4.
Open
draincock
(Key No. 22, Page 12) on pump
body
and allow pump
to drain.
5.
Remove
priming
plug to vent pump;
disconnect
hose
(Key No. 6, Page 14) at tank end and drain pressure
tank
and all piping
to a point
below
the frost line.
6.
Be sure to drain any piping
that may be cut off from nor-
mal system
drain due to check valve installation.
Vinyl Bag Removal
[_'WARNINGI
Be sure
ALL air
pressure
has
been
re-
leased
from
tank
before
removing
nuts
from
flange.
Failure
to do this may
result
in serious
or fatal injury.
Do not
attempt
to open
tank
unless
all pressure
has
been
relieved!
t
[ _,WARNING_ Risk of electric
shock.
Disconnect
power
before
working
on unit.
1. DISCONNECT
POWER TO PUMP.
2. Drain system
as follows:
A. Open faucet
closest
to tank.
B. Open
draincock
(Key No. 22, Page
12) on pump
body.
C. Remove hose (Key No. 6, Page 14) from tank flange.
3. Relieve (expel) ALL air pressure in system by removing
valve core.
4. Disconnect
outside piping from tank and pump.
[_I,WARNING]To avoid serious
or fatal injury,
be
sure all air pressure
has been released
from tank
before proceeding
to step 5.
5. Remove nuts and washers from tank inlet flange (Key
No. 2, Page 14). Tap inlet flange to break seal. Remove
flange.
6. Wherever convenient, hold hag with pliers and cut with
single-edge razor blade or sharp knife. Bag will not come
out in one piece. Continue pulling and cutting until bag
is removed.
7. Clean and dry inside of tank.
8. Place replacement bag on a clean surface with opening
up. Flatten bag and force air out.
9. Tightly roll bag towards center opening.
10. Before center opening is covered up, force air out of re-
maining portion of bag. Finish rolling bag.
11. To make bag easier to insert into tank, sprinkle outside
of bag with talcum powder.
12. Being careful not to break valve, stand tank on end. Push
tightly rolled bag into tank.
13. Reach into bag and push out sidewalls. You need not
remove all wrinkles.
14. Clean center opening ring on bag and lip on tank.
15. Pitll ring on bag through tank opening and fit over tank
lip. BE SURE it seats properly in groove on tank lip.
16. Clean sealing surface of inlet flange and place on studs.
17. NOTICE: Tighten nuts as follows:
A. Hand tighten all nuts.
B. Tighten one nut snug.
C. Tighten opposite nut snug.
D. Proceed, tightening opposite pairs to a snug fit.
E. Recheck all nuts, using same pattern. Be sure all nuts
are tight and you have a good seal.
7

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