TM 10-3510-209-24
3-21. WATER HEATER BLOWER MOTOR ASSEMBLY (CONT)
DISASSEMBLY (Cont)
2.
Loosen two setscrews (4) and remove yoke (5)
from shaft (6).
3.
Loosen two setscrews (7) and remove squirrel
cage (8) and key (9) from shaft (6).
4.
Remove four capscrews (10), lockwashers (11),
and mounting flange (12).
5.
Loosen setscrew (13) and remove impeller (14)
from shaft (6).
NOTE
Matchmark end plates and housing
before
disassembly
for
ease
in
assembly.
6.
Remove four screws (15) and end plate (16)
from shaft (6).
7.
Remove end plate (17) from shaft (6).
8.
Remove armature (18) from housing (3).
9.
Remove shims (19) and bearings (20) from
armature (18).
10.
Inspect for broken or cracked motor, bent shaft,
burned armature, bent fins, damaged mounting
plate, and damaged wiring. If any of these
conditions exist, replace motor.
11.
Replace
bearings
if
they
are
rough
or
excessively worn.
REPAIR
Repair of the motor blower assembly consists of
replacing damaged and/or defective components.
3-102
