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MAINTENANCE
NOTICE:
Do not overtighten;
you may twist studs off of
tank. If you have a torque
wrench,
tighten
to 85 inch-
pounds
torque.
18. Stand tank on feet and reconnect
piping.
19. Recharge
tank to proper
air pressure
(see Page 5).
20. Recormect
hoses and pressure
switch
tube; prime pump
(see Page 6).
Air Valve Replacement
1. Follow
steps
1 through
5 under
"Vinyl Bag Removal",
Page 7.
2. Cut valve off as dose
to tank as possible.
Push remaining
portion
back into tank.
3. Tip tank on end and BE SURE all water is drained
from
bag.
4. Carefully
remove
bag ring (Tom lip on tank opening
and
push
bag ring back into tank; reach
in around
it and re-
move cut off portion
of valve from tank.
5. Wipe a thin film of soapy solution
on replacement
valve
and from inside tank insert in hole in top of tank.
6. Pull valve through
hole with pliers or a valve tool (avail-
able at your local filling station
or Automotive
Center).
7. Follow steps 14 through
20 under
"Vinyl Bag Removal",
Page 7, to reinstall
bag in tank.
Testing for Bag Leakage
1. Follow
steps
1 through
4 under
"Vinyl Bag Removal _,
Page 7.
2. Tip tank on end, valve
down.
Be careful
not to break
valve!
3. If bag leaks, water will run out of valve. If so, replace
bag
as instructed
above.
DISASSEMBLY
AND
ASSEMBLY
OF PUMP
[_.WARNINGj Risk
of electric
shock.
Ground
unit
and
3
disconnect
power
before
attempting
any
work
on
pump
or motor.
Your
Sears pump
is designed
for ease in servicing.
Should
repair or replacement
of the motor
or seal be needed,
the
pump
and piping
do not need
to be disconnected
or dis-
turbed.
1. Disassemble
pump
as follows:
A. Disconnect
power.
B. Drain pump
by opening
drain cock. Remove pressure
switch
tubing
from fitting
on top of pump.
[AWARNING]To
avoid
serious
injury,
release
all
pressure
from system
before
attempting
to remove
clamp
from
pump.
C. Remove
damp,
Key No. 10, Page 12.
D. Remove
pump
base mounting
bolts. Motor assembly
and back half assembly
of pump
can be pulled
away
from front half.
E. Remove"O°rings.
2. Reassembly
of pump.
A. Clean _O _ rings and _O" ring grooves.
B. Lubricate
"O" rings with petroleum
jelly, and place in
grooves.
C. Slide pump
halves together.
D. Clean
inside of clamp.
Place
clamp
around
pump
halves. Alternately
tighten clamp screw and tap clamp
around
outside
with
plastic
mallet.
This will insure
proper seating of _O" ring and damp.
E. Assemble
base mounting
bolts.
Connect
pressure
switch
tubing
and close drain cock.
F. Prime pump
and turn on power.
G. Check
for leaks.
Removing
Motor
for Service
and Replacing
Shaft
Seal
flit is necessary
to separate
motor
and seal plate, always
re-
place
the shaft seal.
We suggest
you purchase
this item,
U1096A,
and have it on hand
for future
use.
NOTICE:
The seal consists
of two parts, a rotating
member
and a ceramic
seat. The surfaces
of the seal are easily dam-
aged. Read instructions
carefully.
1. Disassemble
pump
per instructions
above.
2. Remove diffuser and impeller
as follows (Key Nos. 8 and
9, Page 12).
A. Remove
screws
holding
diffuser.
B. Loosen
two screws
and remove
motor
canopy
from
motor.
C. Place 7/16"
open end wrench
on motor
shaft fiat.
D. Turn impeller
counterclockwise
when
facing it.
3. Remove
pump back half from motor by unscrewing
four
(4) nuts.
Pry back half off motor
by inserting
two (2)
screwdrivers
between
the back pump half and the motor
flange. This will force
rotating portion
of seal off shaft.
See Figure 5.
)
Figure 5
4750194
8
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