Graco ULTRA PLUS+ 1500 Instruction Manual page 14

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Displacement Pump
Disassembly
220-877, are marked with an asterisk (*) in the text
NOTE Parts included in the Packing Repair Kit, P/N
and drawings. Use all the new parts in the
kt.
1. Loosen the packing nut (21
6)
and remove the
valve. See Fig.
16.
plug (205). Unscrew the cylinder from the intake
2. Disassemble the intake valve. Use
a pick to
remove the old gasket (202). Clean and inspect
the parts. See Fig. .17.
3. Reassemble the intake valve using a new gasket
(202*), ball (204*) and pin (221*). See Fig. 17.
4.
Tap the piston rod (224) out of the cylinder. See
Fig. 18.
5. Screw the sleeve removal tool's large nut (A) into
the top of the cylinder. Screw down the rod to
push the sleeve out. See Fig. 19. Remove the
tool. Clean and inspect the parts.
6. Clamp the piston rod (224) in a vise. Loosen the
retaining nut (21 1). Unscrew the piston valve
(222). See Fig. 20.
7. Disassemble the piston and discard the packings
and glands. See Fig. 21.
8. Remove and discard the throat packings and
glands from pump cylinder. See Fig. 22.
205
21 6
Fig. 16
n -
E558
Fig. 17
m559
14 308-551
224
Fig.
18
U
mYI1
222
21 1
0
A
Fig. 21
Fig.
22 m 5 6 5