
Changing Pump Valves; Replacement Parts
The Bosworth Company
9
Doc M-09-33-111516
Installing the Valve
5.
Inspect
the
rubber
umbrella
valve
for
any
tears.
Inspect
the
valve
pores
and
remove
any
dirt
or
material
that
may
have
become
lodged
in
the
pores.
Inspect
O
‐
rings
for
any
sign
of
wear
and
replace
as
neces
‐
sary.
Ensure
that
they
are
correctly
installed
in
the
valve
stop
grooves.
(Figure 17)
6.
To
replace
the
umbrella
valve,
use
a
pair
of
pliers
to
grasp
the
fl
at
por on
of
the
old
umbrella
valve
and
pull
the
en re
valve
through
the
valve
stop
center
retaining
hole.
Insert
the
stem
of
the
new
valve
into
the
valve
stop
retaining
hole
so
that
the
fl
at
por on
of
the
valve
is
on
the
same
side
of
the
valve
stop
as
the
old
valve.
Use
pliers
to
grasp
the
stem
of
the
valve
on
the
other
side
and
pull
it
completely
through
un l
it
snaps
into
place.
7.
Posi on
the
new
umbrella
valve
(or
the
inspected
and
cleaned
old
valve)
between
the
pump
body
and
the
pump
inlet
fl
ange,
taking
care
that
the
fl
at
side
of
the
valve
is
facing
toward
the
pump
body
and
the
O
‐
rings
are
in
place.
(Figure 16)
Fasten
the
pump
fl
ange
and
the
valve
stop
to
the
pump
body
using
the
6
fl
ange
screws.
8.
Re
‐
install
the
inlet
manifold.
9.
Repeat
steps
3
‐
8,
this
me
with
the
outlet
side
of
the
pump.
However,
when
installing
the
umbrella
valve
on the pump outlet, be sure that the
fl
at side of the valve faces away from the pump body and
toward the outlet
fl
ange.
Your
Guzzler
G2
SapPuller
pump
comes
with
a
pair
of
replacement
diaphragms.
Addi onally,
The
Bosworth
Com
‐
pany
sells
a
full
line
of
replacement
parts
for
your
pump,
including
replacement
diaphragms
and
valves.
You
can
order
replacement
parts
directly
through
your
distributor
or
by
going
on
our
website
at
www.thebosworthco.com
Replacement Parts
NOTE: IF THE UMBRELLA VALVES ARE NOT ORIENTED CORRECTLY
IN THE PUMP FLANGES, THE PUMP WILL NOT FUNCTION PROPERLY
AND COULD BE DAMAGED UPON OPERATION.
Remove
any
dirt
or
material
from
valve
pores.
Figure 17