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Graco A Series Instructions-Parts List Manual page 8

Displacement pump 3600 psi (250 bar, 24.8 mpa) maximum working pressure
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Fig. 18. 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.
Snap intake spring (236) into place inside ball guide
(215).
245889 only
215
236
215
214
212
227
(o-ring on
bottom
all except
244957)
Fig. 18
Fig. 19. Install intake valve on cylinder. If a wrench is
used torque as follows:
67 +/–5 ft-lb (model 244197)
80 +/–5 ft–lb (models 244201, 244224, 244409,
245902, 245904)
175 +/–8 ft–lb (models 244954, 246257, 245889)
175 +/–8 ft–lb (model 244957)
If a wrench is not used, be sure intake valve is bot-
tomed out against cylinder.
8
309277
Service
Fig. 19
215
Fig. 20. Torque seal and packing nut (202) down onto
throat adjustment spacer (228) to 100 +/–10 in-lb (75
214
+/–5 in-lb for 246257).
227 (o-ring
Remove throat adjustment spacer (228) when pump
on top
packings begin to leak after much use. Then tighten
212
244957
packing nut down until leakage stops or lessens. This
only)
allows approximately 100 gallons of additional opera-
tion before a repacking is required.
(228 o-ring
on 246257)
7570c
Fig. 20
202
228
ti2332a
7569A
7568A

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