Remove the six (6) cap screws (use 1/2"
Lift the manifold off the motor end cap. The
three (3) ports are sealed with O-rings. The two
(2) ports adjacent to each other also have back-
up rings on top of the O-rings. These back-up
rings have a rectangular cross section and are
slightly cupped where they mate with the O-
Place the O-ring in the port with the full counter
bore. The O-rings and back-up rings fit in the
ports with machined grooves. The O-rings
should be installed first and then the back-up
rings with the cupped side toward the O-ring.
Install manifold on end cap being certain the O-
rings and back-up rings remain in place. Torque
cap screws to 16-21 ft. lbs.
Charge Pump and Charge Check Valves
To remove the Charge Pump, loosen the four
(4) cap screws that form a rectangular pattern.
Do not remove the screws at the top and bottom
as these hold the segments of the pump
cavities from damage and foreign
Lift the Charge Pump off the pump end cap.
There is a spacer in the idler shaft bore that can
slip out as the pump is removed. Do not allow it
to fall into the main pump. There is a gasket
between the Charge Pump and end cap that
should be discarded.