caution
when
installing
the
connecting
rod
assembly
in
the
pump
is
to
make
certain
the
oil
holes
in
the
rod
are
“UP”
and
not
toward
the
bottom
of
the
pump.
This
will
result
in
lubrication
failure
in
these
parts
and
the
pump
will
fail
in
a
short
period
of
time.
An
additionally
important
step
is
to
make
sure
that
the
rod
cap
is
bolted
back
on
the
rod
as
it
came
off.
The
rod
and
cap
carry
a
“mark”
or
“number”
which
allows
you
to
match
them
back
properly.
Failure
to
do
this
will
cause
the
rod
not
to
fit
the
journal
for
which
it
was
made.
H.
Power
End/Fluid
End
Connection:
A
common
misconception
is
that
there
is
some
form
of
fluid
seal
between
the
power
end
and
the
fluid
end.
This
is
false.
The
fluid
end
is
merely
bolted
to
the
power
frame.
It
can
be
removed
by
breaking
the
plunger
connection,
backing
off
the
packing
nut
or
gland,
removing
the
various
fluid
end
bolts,
and
sliding
the
entire
fluid
end
off
the
power
frame.
Corrosion
may
tend
to
seize
the
two
components
together
making
their
separation
difficult
in
some
isolated
cases.
On
models
KP
‐
3300,
KT
‐
3350/KT
‐
3400
and
R335/R340
the
bolted
in
stuffing
box
assemblies
must
be
removed
prior
to
removal
of
the
entire
fluid
end.
They
are
held
in
place
by
four
studs
each.
On
all
other
units
the
stuffing
boxes
can
be
left
intact.
On
the
remaining
pumps
(with
the
exception
KD
‐
1250B,
KJ
‐
2250B,
KM
‐
3250B,
and
KCP
‐
6300)
the
stuffing
boxes
are
held
in
place
in
the
fluid
end
by
a
friction
or
“press”
fit.
They
should
be
removed
with
a
hydraulic
press
if
possible.
These
press
‐
in
type
stuffing
boxes
carry
a
gasket
and/or
an
o
‐
ring
to
insure
a
good
seal.
The
boxes
on
the
KD
‐
1250B,
KJ
‐
2250B,
KM
‐
3250B,
and
KCP
‐
6300
are
screw
‐
in
type
and
carry
only
a
copper
gasket.
