Maintenance; Specifications - Craftsman 390.304692 Owner's Manual

Submersible sump pump
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MAINTENANCE
/ SERVICE
MAINTENANCE
A CAUTION 1Make
certain
that the pump
is unplugged
before
attempting
to service
or remove
any
compo-
nent.
1. The motor
in the unit is sealed in oil. No additional
lubri-
cation
is necessary.
2. IMPORTANT:
Disassembly
of the motor
assembly
will
void the warranty.
It might also cause internal
leakage and
damage
to the unit.
If repairs
are required,
return
the
pump
to the dealer
from whom
it was purchased.
3. Inlet screen
should
be kept clean and free of all foreign
objects.
Pump
Cleaning
NOTICE:
Attempting
to disassemble
motor
will void
the
warranty.
1. Disconnect
power
cord flom electrical
outlet before work-
ing on pump.
The volute
bottom
may be removed
to re-
place impeller
or clean pump
of mud or debris.
2. Remove
screws
from volute
bottom
and clean impeller.
Replace
the gasket/O-Ring
if it is damaged.
To Reassemble:
Attach
volute
bottom
to volute
top with screws.
General
AWARNINGIRisk
of electric
shock.
_Vhen
servicing
pump
always
disconnect
power
to electrical
outlet
and
remove
pump
electric
cord
from
outlet.
1. If pump
does not operate:
a. Check
for loose plug at electric
outlet.
b. Check
for blown
fuses or tripped
circuit
breakers
at
fuse box/circuit
breaker
box.
c. Be sure
nothing
interferes
with action
of automatic
float switch.
d. If a, b, and c above
check
OK, plug in a fight that you
know
works.
If it lights, take your pump
to Sears for
set-rice,
ff it doesn't
light, the electrical
circuit is faulty;
consult
a licensed
electrician.
2. Pump starts, but blows
fuses/trips
circuit
breakers:
After disconnecting
power
to pump,
remove
the screen
and shield from the bottom
of the pump
and make sure
that the impeller
turns freely.
Remove
any debris
ob-
structing
impeller.
If pump
still does
not operate
cor-
rectly,
return
it to your nearest
Sears Service Department
for repairs.
3. Pump runs, but does not empty
sump:
a. Clean pump
intake
screen.
b. Water may be entering
sump faster than the pump
can
discharge
it.
c. Be sure vertical
distance
from pump
discharge
outlet
to discharge
pipe
outlet
does not exceed
maximum
vertical
pumping
distance
shown
in "Specifications,"
below.
d. Be sure discharge
pipe is not plugged
or frozen.
VERTICAL
SWITCH
REPLACEMENT
Mount the bracket
onto
the witch
housing
Insert the rod assembly
up into the switch
housing (A) and loCk
into place with the
pin (B) See the inset
drawing
Bracket
Bracket v
8
Mountin_
_
i
_¢cews
Switch
Housing
Attach the s_tch to
the pump as shOWn
Inset Drawing
I-q, CAUTION } Make
sure
pin holds
float
rod
in switch
housing;
otherwise
pump
will
not
shut
off.
To check
switch
operation,
run pump
through
one
com-
plete
cycle
after
installation.
I_ WARNINGj Risk of electrical
shock. Can burn or kill
1
Plug pump
and switch
into a grounded
electrical
outlet
Otgly.
Stock
Maximum
Number
HP
Amps
J 30469
1/3
13.0
I
SPECIFICATIONS
Dimensions in inches (mm)
GPM (Umin.) at Vertical Pumping Distance in Feet (M)
Length
Width
Height
5' (1.6)
10' (3)
15' (4.6)
20' (6.1)
25' (7.6)
9" (229)
6-1/2" (165)
11-1/2" (292)
50 (189)
41 (155)
28 (106)
3 (11.4)
-

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