Graco ULTRA PLUS+ 1500 Instruction Manual page 16

Displacement Pump
7. Loosely install the packing nut
(216)
and plug
(205).
See Fig. 29.
8.
Place a O-ring
(217*)
in the cylinder. Slide the
sleeve in to the cylinder to seat the O-ring. See
Fig.
30.
Remove the sleeve.
9. Grease the piston packings and the top edge
o f
the sleeve. See Fig.
31.
10. Carefully slide the piston assembly into the top
of
the sleeve. See Fig.
32.
11.
Slide the sleevelpiston rod assembly into the
bottom
o f
the cylinder. See Fig.
33.
12. Grease the intake valve O-ring with non-silicon
grease. Screw the pump cylinder into the intake
valve. Torque to
70
ft-lb
(95
Nm).
See
Fig.
34.
13.
Tighten the packing nut
(216)
hand tight. Screw
the cylinder locknut (A) down to the bottom
o f
the
external cylinder threads. See Fig.
35.
Fig. 29
I I
m512
n
217*
Fig.
30
U
Fig. 32
02575
t
Fig.
33
02576
Fig. 34
Fig. 35
mna