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Graco A Series Instructions-Parts List Manual page 12

Displacement pump 3600 psi (250 bar, 24.8 mpa) maximum working pressure
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Fig. 13. Soak all leather packings in SAE 30W oil for 1
hour minimum prior to assembly. Stack male gland
(219) on piston rod. Alternately stack UHMWPE (208)
and leather (218) packings (note orientation) on piston
rod. Install female gland (217). Install piston guide
(216) (note orientation) on piston valve (210). The spe-
cial sealing patch on piston valve threads is good for
four repackings. Use Loctiter on piston valve threads
after four repackings.
219
Not
used on
244197
218
Fig. 13
Fig. 10. Install ball (206) in piston rod. If Loctiter is ap-
plied to piston valve threads, ensure that none gets on
ball. Install piston valve on piston rod.
Torque as follows:
27 +/–3 ft-lb (for model 244197)
55 +/–3 ft-lb (for models 244224, 244201, 244409,
245902, 245904)
55 +/–3 ft-lb (for model 244954)
55 +/–3 ft-lb (for models 244957, 246257, 245889)
Fig. 14
12
309277
Service
217
used on
245889
216
210
208
ti3941a
206
7575A
Fig. 15. Grease piston packings and sleeve top edge.
Fig. 15
Fig. 16. Carefully slide piston assembly into top of
sleeve. Assure u-cup is not rolled over or damaged.
Fig. 16
Fig. 17. Grease top inch or two of piston rod that will
go through the cylinder throat packings.
Fig. 17
7578A
7577A
7579A

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