Repair manual

Repair PS4 7503HH, PS4 7503HF, PS4 11003HH, PS4 11003HF
Repair.fm 194
14.Sequentially turn each bolt (bv) one-quarter turn until all four bolts
are tight and the torque is distributed evenly.
15.Assemble mechanical seal (cj) to rotor shaft.
16.Pick up the pre-assembled oil housing (cz) and slide over rotor
shaft. Secure with four bolts (ca) and four lockwashers (bz).
17.Sequentially turn each bolt (ca) one-quarter turn until all four bolts
are tight and the torque is distributed evenly.
18.Lay volute (bn) upside down on a clean, flat surface. Install seal
(bp) and o-ring (bo) to volute (bn).
See graphic wc_gr000703.
19.Flip the volute over and assemble gasket (cb) to volute (bn).
20.Pick up the volute and secure it to the motor frame (ae) using two
long bolts (cp) with two lockwashers (co) from the bottom and four
bolts (cw) and four lockwashers (cx) from the top.
21.Install shim (bq) to rotor shaft and position key (bs) in the keyway
of the rotor shaft.
See graphic wc_gr000708.
wc_gr000703
bo
bp
bn