Service
333028E
13
20. Grease o-ring (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.
21. Torque seal and packing nut (202) to the following:
Remove o-ring when pump packings begin to leak
after extended use. Then tighten packing nut down
until leakage stops or reduces. This allows approxi-
mately 100 gallons of additional operation before a
repacking is required.
22. Push up retaining spring (26) with screwdriver.
23. Push in pin (29).
24. Reassemble intake valve with new o-rings (227)
and (230), 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.
Models
Torque
16Y598, 16X428, 16Y706,
16Y601, 16X429
100 ± 10 in-lb
(11.3 ± 1.1 N•m)
16X423, 16X425
140 ± 10 in-lb
(15.8 ± 1.1 N•m)
ti4258j
207
221
ti7726b
202
228
ti4258k
26
ti4258m
29
26
233
215
214
212
213
227
ti23115a
Summary of Contents for 16X423
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