Graco KING 217-564, Инструкция-перечень запасных частей

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Place an O-ring on the packing nut
Screw the packing nut into the pump housing
NOTE:
Lubricate the parts with
a
lightweight oil
17.
Place the packings, one at
a
time, into the packing
nut in the following order: the u-cup packing
with the lips of the u-cup packing facing down
in the packing nut, and then two back-up washers
(105).
before assembling.
18.
Loosely install the wet-cup packing nut and
the wet-cup into the pump housing
19.
Install the packings on the piston in the following
order, (see Fig one u-cup packing with the
lips facing down, one back-up washer the
seal spacer the other back-up washer
the other u-cup packing with the lips facing
up, and the back-up washer See Fig
4.
Install the piston ball in the piston valve
ing Apply medium grade thread sealant to the
threads of the piston valve Screw the piston
valve into the piston valve housing, torquing to
81-102
ft-lb). Screw the piston rod
into the piston valve, aiigning the holes. Insert the
cotter pin
- 1 30
Fig 4
21.
Place the pump housing in the vise. Install
a
the pump cylinder and slide
it
into the pump
new O-ring in the pump housing. Lubricate
housing. Install the other O-ring
NOTE:
In the ratio pumps, install the pump
cylinder so the tapered end faces the bottom
of
the pump.
22.
Install the displacement rod assembly through the
bottom of the pump, guiding
it
carefully through
the throat packings.
23.
Install a new u-cup packing intake
cylinder's packing housing (REF
117)
so
the lips of
the face up. Install the packing nut and
torque to
34-47
ft-lb). Slide the valve
packing housing assembly, nut first, onto the
piston rod
24.
Place a new O-ring around the intake cylinder
and screw the cylinder into the pump housing
torquing to
129-149
ft-lb).
25.
Thread the nut onto the bottom of the piston
rod. Install the valve plate valve guide
priming piston and the other nut
26. Holding both nuts
with a wrench, torque the
bottom nut to
54-81
ft-lb).
27.
Tighten the packing nut Torque the wet-cup
nut to
54-81
ft-lb).
28.
Reconnect the displacement pump to the air
motor Refill the wet-cup Reconnect the
ground wire to motor if it was disconnected
during service.
Packing Periodic Replacement
'CAUTION
ment of the throat packings, in addition to the
oackina is essential.
packings to wear
more quickly, and costly damage to the displace-
ment rod may result from scoring.
mine how need to change the
Check the throat packings weekly until you deter-
packings to reduce' displacement rod
Good oackinas should not have any cracks,
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Order two washers (part no. and one pecking
(part no.
178-9571.
To
change the throat packings:
1.
Unscrew the coupling nut Remove the cotter
pin loosen the jam nut and unscrew con-
necting rod See Fig
3.
breaks or spots.
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2.
Remove the wet-cup Unscrew the packing
nut from the cylinder nut Unscrew the
wet-cup nut from the packing nut See
Fig
3.
3.
Remove the packings and clean all parts. Grease
the new packing and washers. Install the u-cup
packing
(1061
with the facing down, end then
two back-up washers in the packing nut
See Fig
3.
4.
Screw the wet-cup nut into the packing nut
sure the O-ring is in place in the wet-cup nut
and torque
it
to
(40-60
ft-lb). Be
then continue reassembling the pump. See
Fig
3.
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