Service
8
333028E
9. Grease o-rings (221) and place on sleeve. Slide
sleeve/piston rod assembly into bottom of cylinder.
Replace o-ring (207) if desired.
NOTE:
O-ring (207) is not required for safe pump opera-
tion.
10.
Mark IV and Mark VII models:
Install o-ring (231)
on sleeve spacer (230) 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.
NOTE:
Spring (233) only used on 16Y601, 16X423, and
16X425.
12. Install intake valve on cylinder. If a wrench is used
torque as follows:
221
207
ti7582a
ti7340a
231
230
Models
Torque
16Y598, 16X428
67 ± 5 ft-lb (90.8 ± 6.8 N•m)
16Y706, 16X429,
16Y601
80 ± 5 ft-lb (108.5 ± 6.8 N•m)
16X423, 16X425
200 ± 15 ft-lb (271.2 ± 20.3 N•m)
233
215
214
212
213
227
ti23115a
ti7569a
Summary of Contents for 16X423
Page 19: ...Notes 333028E 19 Notes ...
