Removal of impeller may require that center of impeller be
heated to 350°F (177C) to free factory-applied thread-locking
compound. A strap wrench is recommended to avoid marring
impeller. Otherwise, smooth out wrench marks before reusing
(10) Place a large-blade screwdriver in slot on fan end of motor shaft to brace shaft. Using a strap wrench,
unscrew impeller (6) and remove from shaft of motor (16).
(11) Remove spring (8) and spring retainer (9) from impeller (6).
(12) Remove mechanical seal (7) from impeller (6). Discard seal.
(13) Loosen four bolts (10) from bracket (11) and motor (16).
(14) Twist and remove pump casing (12) from bracket (11).
(15) Remove bracket (11) and pump casing (12) from shaft of motor (16).
(16) Remove stationary seat (13) and stationary seat gasket (14) from pump casing (12). Discard
stationary seat (13) and seat gasket (14).
Stationary seat and stationary seat gasket are parts of the
mechanical seal. Replace entire mechanical seal during
(17) Remove slinger (15) from shaft of motor (16). Discard slinger (15).
(1) Wash metal parts using a stiff brush and a mild soap solution.
(2) Allow to air dry.
(3) Remove rust and loose paint from bracket and outside of pump casing and suction cover. Prepare for
repainting, if needed.
(1) Inspect spring and spring retainer.
(2) Inspect pump impeller for dented or broken blades.
(3) Inspect suction cover and pump casing for damage, particularly stripped threads on suction and