A SERVICE OF

logo

Open as PDF
next previous
ProSpray 3.23 15
GB
Repairs at the unit
11
10
12
13
9
8
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).
4
5
6
7
2
8
1
3
9
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.
1
2
11. Insertlowerpacking(Fig.15)withthebevelededge(1)
facing upward.
1
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).
Uncontrolled Copy