36. Lubricate and install O-ring (14) on check valve seat (13).
37. Lubricate the check valve seat (13) and insert in diffuser case (4), aligning slot in check valve seat (13) with pin holes in
diffuser case (4).
38. Install pin (12) through holes in diffuser case (4) and slot in check valve seat (13).
39. Install flapper valve assembly in diffuser case (4). Ensure that small plastic spacers (9) are arranged as indicated with
one spacer (9) captured by spring at each end and two spacers (9) outside spring at each end. Hold spacers (9) in place
and adjust pin (7) to install first the lower end of pin (7) and then upper end of spring (7). Adjust pin (7) position as
necessary to fit flush with diffuser case at either end.
40. Align bolt holes in outlet (3) and diffuser case (4), and install outlet (3) on diffuser case. Secure with three hex head
screws (1) and flat washers (2). Torque to 75-80 in-lbs.
END OF WORK PACKAGE