Model
207474
10. Loosely install the pecking
cup
Model
217-527
One
at
a
time, place
a
gland
e
e
UHMWPE v-packing
e
leather
UHMWPE v-packing
a
leather v-pecking
gland
and a washer
on the piston
Be
v-packing
a
UHMWPE v-packing
a
sure
the
lips
of
the v-packings face
up
on the piston.
Model
207474
v-packing
four leather v-packings
a time, place a female gland
one
a
male gland
and a
on
on the piston.
piston
Be
sure
the
of
the v-packings
up
12.
Place the ball
on the piston, and screw the
torquing to
150-175
ft-lb
(203-237
Install the
piston assembly into
displacement rod
ball stop pin
and cotter pins
in the proper
holes
displacement rod if they were removed
(Model
Refer to the Check Valve
Adjustment below.
13.
Lubricate the displacement rod again, end guide
it
through the bottom of the pump housing and
through
the
throat packings.
14.
Install the ball
ball guide
retainer
and
ball stop pin
in the intake valve housing.
Be
sure the pin is
in the correct set of holes. Refer to
the Check Valve Adjustment below. Install the
on the housing. Screw the assembly
firmly into the pump housing.
15.
Screw the displacement rod
onto the
jam nut
Align the
tie rods
the pump hous-
ing rod
Install the cotter pin
Tighten the
ing
and install the
tie rod locknuts loosely.
16.
the pump, and run
it
at its
lowest speed possi-
ble, about
psi
(2.8
bar) while you tighten the tie
Adjust the
tie
rod locknuts, if necessary. to
rod locknuts
evenly to
35-50
ft-lb
eliminate binding.
17.
Tighten the packing nut just enough to prevent
with the complete pump. Fill the wet-cup helf full
leakage, but no tighter.
Use
the wrench supplied
NOTE:
If the ground wire was disconnected before
servicing, be sure to reconnect
it
before
operating the pump, and check to
be
sure
the entire system is properly grounded.
Check Valve
The intake valve housing
is set for high flow rate or
For
high viscosity fluids. To set the valve for lighter viscosity
fluid or lower flow rate, to minimize surging
at pump
stroke change over, move the ball
pin
to
a
lower set of holes, decreasing the check ball travel. The
piston check valve in this pump
is
not adjustable. See
Fig
3.
The piston
and intake valve housing
are set for
For
Displacement
Pump
217-527
high flow rete or high viscosity fluids.
To
set the valves
for lighter viscosity fluid or lower flow rate,
to
minimize
surging
at
pump stroke change over, move the ball stop
pins
(21
or
to
a
lower
of holes, decreasing the
check ball
See Fig
3
5
PTFE
