WIRING HARNESSES AND CONNECTORS.

TM 5-4120-356-14

Inspect fan motor for evidence of damage which would

(2) Inspection.

impair

serviceability.

(3) Test.

( a ) Check continuity of rotor windings for open windings or wind-

i n g s shorted to motor frame.

(b) Rotate motor shaft by hand to check for binding, indicating

w o r n bearings.

If worn bearings are indicated during inspection or test,

(4) Repair.

refer to figure 3-32 and repair motor.

( 5 ) R e p l a c e . R e p l a c e fan motor if serviceability is impaired by unre-

pairable damage, i f test indicates open windings, windings shorted to motor frame or

i f bearing damage is unrepairable.

(6)

Installation.

(a) Refer to figure 3-31 and install the fan motor.

(b) Refer to figure 3-30 and install the condenser fan and the

fan.

c o n d e n s e r fan guard. (See figures 3-3 and 3-4.)

WIRING HARNESSES AND CONNECTORS.

WARNING

Disconnect the air conditioner from the

e l e c t r i c a l power source before attempt-

i n g to perform maintenance on the wir-

i n g harnesses or connectors.

W i r i n g Harnesses.

(1)

Inspection

( a ) To gain access to the wiring harnesses, remove fabric cover,

t o p panel, condenser fan guard and lower access panel in accordance with paragraph

3-9.

( b ) Refer to paragraph 3-15b and remove the evaporator fan.

( c ) Refer to figure 3-12 and partially remove the junction box and

control box.

( d ) See figure 3-33 and remove pressure switch from enclosure.

( e ) See figure 3-22 and remove the RFI filter assembly from the

a i r conditioner to provide access to connector plugs P10 and P11.

( f ) Refer to figure 3-33 and inspect wiring harnesses for damage

w h i c h would impair serviceability.