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.
6.
SERVICE
With sharp knife, cut off stem as close to tank as pos-
sible. Push remaining portion
into tank.
Lay tank on side and remove
six (6) nuts from studs.
Tap cover to break seal and remove
cover
assembly
from tank. You can now see the vinyl bag. See Figure
11.
7. Before removing
vinyl bag from
groove
seat in tank, BE
SURE all water
is drained
from
bag.
This
can
be ac-
complished
by tipping
tank upright
and
aUowing
re-
maining
water
to drain.
8. Carefully
remove
lip portion
of bag from
groove
seat
and push
bag into tank.
9. Block
up tank
as shown
in Figure
13. This will
allow
cut offportion
of stem to slide down
to bottom
of tank.
Reach
in around
bag until you find it and remove
it.
in here
to retrieve stem.
FIGURE
13
10.
11.
12.
13.
14.
15.
Wipe
a thin
film
of soapy
solution
on top
half
of re-
placement
stem
and insert
in stem hole
in
top
of tank.
It is necessary
to use a valve
stem
pulling
tool
to pull
stem thru opening.
This toll is the same
as used
by your
local
filling station
and Sears Automotive
Center
when
servicing
tubeless
tires.
Pull neck
of bag out of tank opening
and seat in groove.
BE SURE ring groove
is clean.
Clean
sealing
surface
of cover
assembly
and place
on
studs.
Hand
tighten
all nuts on studs.
]& CAUTION ] It is important
that nuts
be tightened
as
follows:
First, hand
tighten
all nuts.
Then
tighten
one
nut to a snug
fit. Next,
tighten
the one
opposite
to a
snug
fit. Proceed,
tightening
the others
in opposite
pairs
to a snug
fit. Recheck
all nuts
in same
opposite
patterns
to be sure
they are evenly
tightened
and you
have
a good
seal.
DO NOT
overtighten,
as you
may
twist
the
studs
off the tank.
With
a torque
wrench,
tighten
to 85 inch pounds.
Tip tank upright
and assemble
for operation.
Recharge
tank with
proper
amount
of air.
HINTS
TESTING
FOR
LEAKAGE
OF VINYL
BAG
1. Disconnect
power
to pump.
2. Relieve
(drain)
ALL water
in system
by opening
faucet
closest
to tank.
3. Relieve (expel)
ALL air pressure
in tank by removing
core from inside of air valve.
4. Disconnect
outside piping only to tank.
5. Turn tank upside
down.
NOTICE:
BE CAREFUL not to damage air valve when
tipping
tank. Removal of air valve is not required.
If
water leaks out of the valve core opening,
the vinyl bag
has a hole in it and must be replaced.
PROCEDURE
FOR REPLACING
VINYL
BAG
[
AkWARNING
] Be sure all air has been expelled
from tank
before removing
nuts.
FOR 6, 19 AND
36 GALLON
TANKS
1.
Carefiflly
lay tank on its side.
2. Remove
nuts
around
cover plate.
3. Tap cover
to break the seal and remove
cover
assembly
from
tank. You can now
see the vinyl bag.
4. Bag cannot
be removed
in one
piece.
Wherever
con-
venient,
grip bag with
pliers
and pull outward.
At the
same
time
cut bag
with
sharp
knife
or single-edged
razor
blade.
Continue
pulling
and
cutting
until
bag is
completely
removed.
5. Clean and dry inside
of tank.
NOTICE:
Before
replacement
bag can be inserted
in tank,
it must
be tightly
rolled
up as follows:
1. Place
bag on clean surface
with
opening
up.
2. Flatten
bag and force
air out.
3. Tightly
roll bag towards
center
opening.
4. Before center
opening
is covered
up, force air out of re-
maining
portion
of bag.
5. Finish
rolling
bag.
6. As an aid for inserting
bag in tank, sprinkle
outside
with
talcum
powder.
7. With
tank upside
down,
push
tightly
rolled
bag into
tank.
8. Put your arm in bag and push sidewalls
outward.
It is
NOT important
that all wrinkles
be removed.
9. Clean flange ring and groove of tank.
10. Pull lip of bag through tank opening
and place in ring
groove.
11. MAKE SURE it seals properly
in groove.
12. Clean sealing surface of cover assembly and place on
studs.
8
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