TM 10-4610-239-24
TM 08580B-24/3
DISASSEMBLY.
a.
Remove drain cock (1) and vent plug (2).
b.
Remove eight screws (4) eight lockwashers (18) and pump case (5).
c.
Remove pump case gasket (6). Discard gasket.
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 nut (8), key (10) and impeller (11).
g.
Remove seal retainer (19), seal assembly (12). Discard seal assembly.
h.
Remove four bolts (14), lockwasher (9), adapter (15), O-ring (16) and slinge (17).
r
i.
Remove stub shaft (20) from electric motor shaft (21).
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, andretaining assembly.
INSPECTION.
Inspect pump case, impeller wear ring, and adapter for cracks, damage and excessive wear. Replace as required.
ASSEMBLY.
a.
Install stub shaft (20) on motor shaft (18).
b.
Install slinger (17) on stub shaft (20).
c.
Position adapter (15) on electric motor shaft (21).
d.
Install four lockwashers (9) and bolts (14) to housing.
e.
Install new seal assembly (12) on electric motor shaft (21).
