Maintenance
3A2797R 49
9. Install removed line (RE) back to Husky Diaphragm
pump outlet.
10. Close drain valve (RD) and install drain plug.
11. Replace the filter basket and install a new IsoGuard
filter (Part 125148). Fill reservoir with fresh
IsoGuard Select fluid.
12. Open air supply ball valve (RA) to Husky Diaphragm
pump. Verify pump air regulator (RB) is set to 35
psi. This will return the IsoGuard Select system to
circulation mode.
13. Top off fluid level just below top of bag filter (below
return port, RC) with IsoGuard fluid. An empty
system will require 2 to 2 1/2 quarts of IsoGuard
fluid.
14. Make sure the reservoir cover gasket groove is
clean and free of debris and close reservoir lid (LR).
FIG. 27: IsoGuard Select Fluid Husky Diaphragm
Pump
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