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Install the packings on the piston in the order indicated
against fluid pressure. Lubricate the packings with
below.
BE
SURE
the lips of the v-packings face
UP,
grease compatible with the fluid being pumped. Always
use new glands with new packings for a good
seal.
One
at time, install
a
female gland
(121 a
packing
three leather v-packings
a
male
gland
end the packing retainer
onto the
piston
(102).
See
v-packing
two
leather v-packings
e
One
at
a
time, install
a
gland
a UHMWPE
packing retainer
onto the piston
See
Fig
5.
UHMWPE
v-packing
e male gland
and the
Apply locking compount to the threads of the piston
Install the piston, peckings, and ball
into
the displacement rod
Torque the piston to
ft-lb
the displacement rod
through the bottom of the pump cylinder.
Assemble and install the intake valve and tighten.
Connect the pump and air motor and remount them.
Tighten the packing nut just enough to stop
but no tighter. Fill the packing
one-half full
of Graco Throat
Seal
Liquid before operating the pump.
.
. .
NOTE:
If the grounding wire was disconnected
before servicing, be sure to reconnect
it
before operating the pump.
S
PTFE
Summary of Contents for HYDRA-SPRAY 218-058 A
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