HIGH PRESSURE PUMP (R.O. PUMP) REPAIR (MODELS H-9518-1, H-9518-2, AND H-9518-3) -
Wash all components with clean water and detergent.
Rinse components in clean water and dry with wiping rags.
Check piston assemblies (63) for signs of wear. If damaged at all, replace.
Check valve housing assembly (57) to insure that all valves are operating.
Inspect all remaining components for signs of damage, cracks, corrosion and deformation.
(1) Replace lo&washers.
(2) Replace o-rings.
Replace defective and excessively worn components.
It is important that all components are clean when they are assembled. Wipe all items
with lint free materials and keep your work area clean.
Make sure that all components fit together properly. Do not use excessive force to
assemble this pump. Serious pump damage will result.
Wrap the threads of the inlet connector (38) and outlet connector (44) with anti-seize tape in a clockwise
Before installing any o-rings, make sure they are clean and coated with a light film of o-
Seat o-ring (71) in shaft seal (70) and install shaft seal on the bearing plate assembly (67).
Secure with four
Turn over the bearing plate assembly (67) and install the thrust cluster (68). Make sure that the pin on the
thrust cluster is in the hole in the bearing plate.
Install o-ring (66) in groove on bearing plate assembly (67).
Place cam spacer (61) onto bearing plate assembly (67). Make sure that the line previously drawn is aligned
on both pieces.
Change 1 3-254.5