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TM 9-4120-389-14
a.
Removal
(1)
Remove six screws and lockwashers that secure the junction box to casing.
(2)
Pull junction box from unit until far enough to access TB1 and E5.
(3)
See wiring diagram (FO-1), tag and remove leads as follows:
(a)
J3-A, J3-B and J3-C from TB1 and E3 from ground E5.
(b)
All leads from terminals on TB2, terminals 3 and 4 excepted.
(c)
Leads from terminals 1 through 9 on TB4.
(d)
Leads from terminals 1, 2 and 3 of TB5.
(e)
Separate six push-on leads from evaporator blower motor B3.
(4)
Pull junction box from unit.
b.
Repair. Repair by component replacement.
c.
Installation
(1)
Push junction box in unit far enough to allow installation of leads.
(2)
See tags and wiring diagram (FO-1) and connect leads removed in step a.(3) above.
(3)
Align two pins in casing with two mating holes in junction box.
(4)
Push junction box to engage with casing.
(5)
Secure junction box to casing with six screws and lockwashers.
Follow-on procedures:
1.
Install top cover (See para. 4-14).
2.
Install control module. (See para. 4-38).
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