Wagner SprayTech 3.23 Paint Sprayer User Manual


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ProSpray 3.23 15
GB
Repairs at the unit
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10
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11.3 Packings
1. Remove inlet valve housing in accordance with the steps
in Chapter 11.2, Page 14.
2. It is not necessary to remove the outlet valve.
3. Unscrewbothcylinderheadscrews(Fig.13,Item1)from
thepumpmanifold(2)witha3/8inchhexagonsocket
head wrench.
4. Slide the pumpmanifold(2)andpiston(3)forwarduntil
thepistonisoutoftheT-slot(9)onthesliderassembly
(4).
5. Pushpiston(3)downwardoutofthepumpmanifold(2).
6. Unscrewretainernut(5)fromthepumpmanifold(2)and
removepistonguide(6).
7. Removeupperpacking(7)andlowerpacking(8)fromthe
pumpmanifold(2).
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5
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8
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3
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8. Cleanpumpmanifold(2).
9. Lubricateupperpacking(7)andlowerpacking(8)with
machine grease.
10. Insertupperpacking(Fig.14)withO-ring(1)and
protrudinglip(2)downward.
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2
11. Insertlowerpacking(Fig.15)withthebevelededge(1)
facing upward.
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12. Insertpistonguide(Fig.13,Item6)intotheretainernut
(5).Screwretainernut(5)intothepumpmanifold(2)and
tighten by hand.
13. Pushinstallationtool(includedwiththereplacement
packings)forthepiston(3)fromaboveontothepiston.
14. Lubricateinstallationtoolandpiston(3)withmachine
grease.
15. Guidepiston(3)throughthelowerpackings(8)intothe
pumpmanifold(2)frombelow.Usingarubbermallet,
lightlytapthepiston(3)frombelowuntilitcanbeseen
above the pump manifold.
16. Removeinstallationtoolfrompiston(3).
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