HIGH PRESSURE PUMP (R.O. PUMP) REPAIR (MODELS H-9518-1, H-9518-2, AND
H-9518-3) - continued.
Slide cam (65) down and through bearing plate assembly (67). Make sure that the flat side of the cam is
towards the bearing plate assembly (67).
Place piston cluster (64) on cam (65). Make sure dished heads face upwards,
Place o-ring (62) into the grove on the underside of the body assembly (60).
Insert pistons (63) into body assembly (60). Insert them from the top with the rounded end first.
Place the body assembly (60) with pistons (63) over the cam (65) and on to the cam spacer (61). As it is
lowered, extend some of the pistons and make sure that they line up into the depressions on the piston cluster
(64). After the items are together, gently turn the body assembly to align the locating line previously drawn.
3-254.6 Change 1