Graco 820-116 Instructions-Parts List Manual page 18

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 of
the sleeve. See Fig. 31.
10. Carefully slide the piston assembly into the top of
the sleeve. See Fig. 32.
11. Slide the sleeve/piston rod assembly into the
bottom of 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 N.m). See Fig. 34.
13. Tighten the packing nut (216) hand tight. Screw
the cylinder locknut (A) down to the bottom of the
external cylinder threads. See Fig. 35.
Fig. 29
Fig. 30
Fig. 31
Displacement Pump
205
216
02572
217*
02573A
02574A
Fig. 32
Fig. 33
Fig. 34
A
Fig. 35
02575
02576
02577A
216
02578