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Graco A Series - Page 9

Graco A Series
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Service
3A6584A 9
12. Install intake valve on cylinder. If a wrench is used
torque as follows:
13. Torque packing nut (202) as follows:
14. Remove o-ring (228) when pump packings begin to
leak after extended use. Then tighten packing nut
down until leakage stops or lessens. This allows
approximately 100 gallons of additional operation
before a repacking is required.
Models Torque
16Y598, 17H828 67 ± 5 ft-lb (90.8 ± 6.8 N•m)
16Y706, 17H829,
17H830
80 ± 5 ft-lb (108.5 ± 6.8 N•m)
16X423, 17H831,
25E689
200 ± 15 ft-lb (271.2 ± 20.3 N•m)
Models Torque
16Y598, 17H828, 16Y706, 17H830,
17H829
100 ± 10 in-lb
(11.3 ± 1.1 N•m)
16X423, 17H831, 25E689 140 ± 10 in-lb
(15.8 ± 1.1 N•m)
NOTE: All
Mark and HD
pumps only.
ti7569a
ti7568a
202
228

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