TM 10-4610-239-24
TM 08580B-24/3
DISASSEMBLY. (Cont)
CAUTION
Because of tight fit of wear ring in housing, wear ring must be broken
and removed in pieces. Remove wear ring only when excessively worn.
d.
Position pump case (5) on drill press and drill two 3/16-inch (4.76 mm) holes in wear ring (7). Drill holes on
opposite sides of ring, not to exceed 3/4 inch (19.05 mm) deep.
e.
Break wear ring (7) and remove pieces from pump case (5).
f.
Remove impeller retaining screw (8), gasket (9), key (10), and impeller (11). Discard gasket.
g.
Remove seal assembly (12) and cover (13). Discard seal assembly.
h.
Remove four screws (14), adapter (15), splash plate (16), and slinger 17).
(
CLEANING.
WARNING
Drycleaning solvent AA 711 TYPE I & II is highly toxic and can ignite
organic materials, nitrates, carbides, and chlorates. Wear eye, skin, and
respiratory protection. Use in a well-ventilated area.
a.
Using drycleaning solvent, clean pump case and adapter. Air dry parts.
b.
Using steel brush, clean rust and corrosion from pump case and adapter.
c.
Using mild soap solution, wash pump case internally, impeller, and retaining assembly.
INSPECTION.
Inspect pump case, impeller wear ring, and adapter for cracks, damage, and excessive wear. Replace as required.
ASSEMBLY.
a.
Install slinger (17) on motor shaft (18).
b.
Position splash plate (16) and adapter (15) on motor shaft (18).
c.
Install cover (13) on adapter (15).
d.
Install new seal assembly (12) on motor shaft (18).
e.
Install impeller (11) and key (10) on motor shaft (18).
f.
Install new gasket (9) and impeller retaining screw (8).
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