TM 9-4120-378-14
5.15 CONDENSER FAN MOTOR. - Continued
Location/Item
Action
Remarks
Clean inside surfaces of end plate and housing with
Repair
a.
solvent; blow dry with compressed air or wipe dry
with lint-free cloth.
b. Blow dust out of coils in stator with compressed air
(30-50 psi) (2.1 kg/cm3 to 3.5 kg/cm2).
Inspect shaft surfaces of rotor for nicks, gouges and
c.
deformation. Dress out high metal with a fine file or
stone. If damage exceeds reparable limits, replace
motor.
d. Inspect the thrust washer and shims for wear, tear-
ing or other damage. Replace if worn or damaged.
Inspect the wire connections to stator coils for cuts,
e.
abrasion or loose connections. Repair or replace as
required.
a.
Coat the shaft surfaces of the rotor (4) with oil, then
Reassembly
slide bearings (5) over end of shaft so they seat
against shoulder at inner end of bearing diameter of
shaft. Press or drive bearings (5) onto shoulders.
b. Dip a spring (7) and shims (6) in oil and slide over
each end of shaft with spring next to bearings.
NOTE
Bearings are lubricated at time of
manufacture and require no further lu-
brication before they are installed.
Coat the bearing cavity of the housing (2) and end
c.
plate (1) with oil.
d. Insert rotor (4) into stator and housing (2).
e.
Install end plate (1).
Install four screws to secure end plate (1) to stator
f.
and housing (2).
Install and tighten plastic nut on wiring to end plate
g.
(1).
5-48
