TRANSFORMER, RECTIFIER, CAPACITORS, MD HARNESS.

TM5-4120-384-14

HARNESSES, AND TERMINAL BOARDS. -

4-30.

MISCELLANEOUS

CABLES,

Continued

Replace.

R e.p l a c e

individual

wires,

connectors,

terminal

boards

defctive.

Installation.

(1)

Connect

all

disconnected connectors.

(2)

Install

junction

box

and control

module

(para

4-21

and

4-26).

( 3 ) I n s t a l l t o p c e n t e r , front, and rear covers on F18H-3S and

F18H-1S or top cover on F18H-3SA and F18H-3SB (para 4-11).

(4)

Connect

power

source.

TRANSFORMER, RECTIFIER, CAPACITORS, MD HARNESS.

4-31.

Designation C2

applies to models F18H-3S, F18H-3SA

and F18H-3SB.

This designation changes to C6 on

model F18H-1S.

The transformer, rectifier, and capacitors C1 and C2 are located

behind the junction box in the upper front left corner of the unit.

(See fig. 4-27.)

Disconnect input power from the air conditioner

before performing maintenance on any part of the

The voltages used can be lethal.

electrical system.

Inspect.

(1)

Disconnect

power

the

power

source.

(2) (Models F18H-3S and F18H-1S) Remove top front cover

(Models F18H-3SA and F18H-3SB) Remove top cover

(para 4-11).

(3)

Remove

junction

box

and

control

module

(para

4-21

and

4-27).

(4) Check that

solder

connections

and

terminals

are

tight

and

good condition.

(5) Check that

harness

wires

have

cuts,

broken

wires,

frayed insulation.

(6) Check

that

attaching

hardware

tight

and

in good

4-87

Change 2

condition.