Repair manual

Repair PS2 3703, PS3 3703, PS4 3703, PS3 5503, PS4 5503

Repair.fm 166

10.Set volute (av) rightside up on a clean, flat surface.

11.Install o-ring (bn) and gasket (bk) to volute (av).

12.Install seal (bj) to volute (av).

See graphic wc_gr000648.

13.Secure retaining plate (be) to volute using four screws (bi).

14.Secure oil lifter (bd) to retaining plate (be) using two screws (bh).

15.Install the assembled volute over rotor shaft and mechanical seal.

Secure with four bolts (bl) and four lockwashers (bm).

—Sequentially turn each bolt (bl) one-quarter turn until all four bolts

are tight and the torque is distributed evenly.

16.With the pump on its side, install oil seal (ax) and shim (ay) to rotor

shaft.

See graphic wc_gr000639.

wc_gr000648