Graco Ultra Max II 795 17E639 [9/22] Note spring 233 only used on 16x426 17h835 17h834 17h827 17h837 17h892

Service

3A6583A 9

7. Slide piston assembly (with force) into bottom of

sleeve.

8. Grease top inch or two of piston rod that will go

through the cylinder throat packings.

9. Grease o-rings (221 and 234) and place on sleeve.

Slide sleeve/piston rod assembly into bottom of

cylinder. Replace o-ring (207) if desired.

10. Mark IV, Mark VII models: Install o-ring (231) on

sleeve spacer (232) and install sleeve spacer on

sleeve.

11. Reassemble intake valve with new o-ring (227),

seat (212) and ball (214). Seat may be flipped over

and used on other side. Clean seat thoroughly.

12. Install intake valve on cylinder. If a wrench is used

torque as follows:

ti7577b

ti7579b

Models Torque

16X414, 17H823,

17H832

70 ± 5 ft-lb (95 ± 7 N•m)

16X419, 17H826,

17H833, 17H836,

17H824

80 ± 5 ft-lb (108.5 ± 6.8 N•m)

16X426, 17H834,

17H825, 17H835,

17H827, 17H837,

17H892

200 ± 15 ft-lb (271.2 ± 20.3 N•m)

NOTE: Spring (233) only

used on 16X426,

17H835, 17H834,

17H827, 17H837,

17H892

NOTE: Mark and HD

pumps only.