10
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Manifold Screw
Support
Diaphragm
Pump Motor
Manifold
Nut
Suction Manifold
Outer
Diaphragm
Disk
Delivery Manifold
Diaphragm
Cover
Diaphragm
Cover
Nut
Diaphragm
Cover
Screw
Product
Diaphragm
8. Remove the four manifold nuts, screws, and washers
that secure the delivery manifold to the top of the pump.
Remove the delivery manifold.
9. Remove the four manifold nuts, screws, and washers that
secure the suction manifold to the bottom of the pump.
Remove the suction manifold.
10. Remove the six diaphragm cover nuts, screws, and
washers that secure each of the two diaphragm covers
to the pump motor. Remove the diaphragm covers from
each side of the pump motor.
11. Using two wrenches, hold the nut on one of the outer
diaphragm disks while using the other wrench to loosen
and remove the opposite outer diaphragm disk.
12. Remove the product diaphragm and support diaphragm
that were released by the removal of the first outer
diaphragm disk.
13. Pull the opposite side diaphragm assembly that is still
assembled to the shaft out of the pump motor.
14. Place the shaft into a vice. Use caution when securing the
shaft in the vice so that the shaft is not damaged.
15. Using a wrench, loosen and remove the remaining outer
diaphragm disk.
16. Remove the remaining product diaphragm and support
diaphragm from the shaft.
17. Place one of the new support diaphragms followed by
a new product diaphragm onto the shaft. Thread the
corresponding outer diaphragm disk into the shaft and
tighten securely.
18. Remove the shaft with the assembled diaphragm
assembly from the vise.
19. Lubricate the shaft with grease and slide it through the
pump motor.
20. Place the remaining new support diaphragm followed
by the remaining new product diaphragm onto the shaft.
Thread the corresponding outer diaphragm disk into the
shaft.
21. Using two wrenches, hold the nut on the opposite outer
diaphragm disk while using the other wrench to tighten the
remaining outer diaphragm disk securely.
22. Using the six diaphragm cover nuts, screws, and washers
on each, reassemble the two diaphragm covers to each
side of the pump motor. TIghten the nuts securely.
23. Using the four manifold nuts, screws, and washers,
reassemble the suction manifold to the bottom of the
pump. Make sure the manifold is positioned in the same
orientation as it was before it was removed.
24. Using the four manifold nuts, screws, and washers,
reassemble the delivery manifold to the top of the
pump. Make sure the manifold is positioned in the same
orientation as it was before it was removed.
25. Carefully slide the pump back into position on the cart.
Make sure to align the fluid pipe with the appropriate hole
on the front plate before positioning the pump.
26. Using the four lock nuts and carriage screws, secure the
pump to the cart.
27. Reattach the air line from the radiator manifold to the
fitting on the pump.
28. Replace the hopper onto the cart and fluid inlet assembly.
Use the cart handles as guides to position the hopper
down onto the fluid inlet assembly.
Replacing the Diaphragms —
PowrTex 600
DD
Use the following procedure to replace the diaphragms in the
double diaphragm pump of the PowrTex 600DD.
1. Perform the Cleanup procedure outlined in this manual.
Do not add water to the hopper for storage purposes as
described at the end of the procedure.
2. Lift the hopper off of the fluid inlet assembly and the cart.
Use the cart handles as guides while lifting the hopper.
3. Remove the air line from the elbow at the top of the pump.
4. Remove the fluid outlet fitting from the front panel. This
will allow the fluid pipe to slide out of the front panel during
removal of the pump.
5. Remove the four lock nuts and carriage screws that
secure the pump to the cart.
6. Remove the double diaphragm pump from the cart by
sliding it straight toward the back of the sprayer until the
fluid pipe is free of the front panel.
7. Place the pump upside down on a waste container to
allow any remaining fluid to drain.
8. Once the pump is empty, place it on a flat surface.
Manifold Screw
Diaphragm
Pump Motor
Manifold
Nut
Suction Manifold
Delivery Manifold
Diaphragm Cover
Screw
Diaphragm
Cover
Nut
Diaphragm
Cover
Outer Diaphragm
Disk
9. Remove the four manifold nuts, screws, and washers
that secure the delivery manifold to the top of the pump.
Remove the delivery manifold.
10. Remove the four manifold nuts, screws, and washers that
secure the suction manifold to the bottom of the pump.
Remove the suction manifold.
11. Remove the six diaphragm cover nuts, screws, and
washers that secure each of the two diaphragm covers
to the pump motor. Remove the diaphragm covers from
each side of the pump motor.