TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
3-33.
CENTRIFUGAL PUMP MOTOR (BOOSTER) MAINTENANCE - continued.
g
If multimeter indication is not 0 ohm for each pair of windings, replace stator assembly.
h
Set multimeter to OHMS X1000 scale. Connect one lead to stator housing. Connect other lead to each
motor lead in turn.
i.
If multimeter indication is not infinity for each motor lead, replace stator assembly.
ASSEMBLY
a.
Pack two bearings (8) and (12) and use arbor press to install bearing (8) on short end of rotor shaft (10).
b.
Install retainer ring (11).
c.
Using arbor press, install bearing (12) on rotor shaft (10).
d.
Install two screws (14) on end plate (13).
CAUTION
Stator wiring inside case can be damaged by rotor shaft if rotor shaft is
not installed carefully. Guide rotor shaft carefully while installing it.
e.
Insert rotor shaft (10) through stator assembly (9).
f.
Position end plate (13) Aline mark made during assembly with mark on stator assembly (9).
g.
Install washer (7) on short end of rotor shaft (10).
h.
While holding end plate (13) alined on one end of stator assembly (9), position plate (6) on other end Aline
mark made on plate during disassembly with mark on stator assembly (9).
i.
Install four bolts (5).
j.
Install fan (4), and screw retainer (3).
k.
Install fan cover (2) and three screws (1).
TEST
a.
Secure motor to test bench.
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