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SERVICE
MAINTAINING
YOUR PUMP
Lubrication
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 selt:adjusting.
Draining
for Winter
When
the pump
is to be disconnected
from
service,
or is in dan-
ger of freezing,
it must
be drained.
The pump
has
a draincock
which
must
be opened.
Remove
the priming
plug
to vent
the
pump.
Drain the pressure
tank. Drain all piping
to a point
below
the freezing
line.
To drain an air volume
control
(AVC), remove
the tubing.
Turn the
AVC upside
down.
This will permit
any water
to drain
into tank.
Dis, assembly
and
Assembly
of Pump
The Hydroglass*
Pump
is designed
for ease in servicing
and main-
tenance.
1.
Disassemble
pump
as follows:
A Disconnect
power.
B. Open
faucet
to relieve
pressure.
C. Drain pump
by opening
draincock.
Remove
pressure
switch
tubing from fitting on top of pump.
D. Remove
clamp,
Key No. lO, Page
11.
E. Remove
pump
base
mounting
bolts.
Motor
assembly
and
back half assembly
of pump
can be pulled
away from front
half.
F. 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.
Ahemately
tighten
clamp
screw
and tap clamp
around
out-
side with plastic
mallet.
This will insure
proper
seating
of O-
;
Ring and clamp.
E. Assemble
base mounting
bolts• Connect
pressure
switch
tub
ing and close draincock.
F. prime pump
and turn on power.
REMOVING
MOTOR
FOR SERVICE
AND
REPLACING
SHAFT
SEAL
If it is necessary
to remove
motor,
always
replace
the shaft seal. We
suggest
you purchase
this item,
UIO9_A,
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 damaged.
Read in-
structions
carefully.
Remove
motor
as follows:
1. Disassemble
pump
per instructions
above.
2. Remove
diffuser
and impeller
as follows (Key Nos. 7 and 8, Page
10.
A. Remove
,_rews
holding
diffuser.
B. Loosen
two screws
and remove
motor
canopy.
C. If motor
has capacitor,
partially
unscrew
capacitor
clamp
and
move
capacitor
to one side•
e
_
[AWARNINGJ
Risk
of electrical
shock
Do not touch ca-
pacitor
terminals
with body or any metal object.
D. Hold motor
shaft with a 7/16"
wrench
on the shaft flats.
E. 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 8.
(
)
FIGURE
8
4750194
4. Place back half of pump
on flat surface
and tap out ceramic
seat.
See Figure 9.
5. Clean seal cavity.
6. Install
new seal.
A. Clean polished
surface
of ceramic
seat with clean cloth•
B. Wet outer
edge of O-Ring with detergent
solution.
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