Heathkit IM-4100 - Page 43

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Ge-guEeatrHKIT®

ORANGE

Refer

to

Pictorial

4-7

in

the

Illustration

Booklet

for

the

following

steps.

of

Push

the

IC

connector

onto

the

integrated

circuit

leads

(1C27).

Be

sure

the

connector

slots

are

positioned

up

as

shown.

pe

Position

the

circuit

board

in

place

on

the

spacers.

{

)

Refer

to

Detail

4-7A

and

insert

the

free

end

of

the

orange

wire

into

the

wire

connector

at

B.

(

Insert

the

free

end

of

the

yellow

wire

into

the

wire

connector

at

A.

nil

creck

the

parts

mounted

to

the

front

panel

switches

and

be

sure

they

are

out

of

the

way

of

the

circuit

board.

Then

mount

the

circuit

board

on

the

spacers

with

four

6-32

x

3/8”

screws.

OUTSIDE

OF

CHASSIS

Detail

4-7B

Page

37

Detail

4-7A

(

Refer

to

Detail

4-7B

and,

from

outside

the

chassis,

install

a

strain

relief

on

the

line

cord

as

shown.

(%

Write

the

fuse

rating

on

the

fuse

replacement

label

(1/4-A

slow-blow

for

120

VAC,

or

1/8-A

slow-blow

for

240

VAC).

(S)

Remove

the

backing

paper

from

the

fuse

label

and

press

the

label

into

place

as

shown.

This

completes

the

“Step-by-Step

Assembly’’

of

your

Heathkit

Frequency

Counter.

The

cabinet

will

be

mounted

later.

Carefully

inspect

all

connections

for

loose

wires

or

unsoldered

connections.

Remove

any

wire

clippings

or

solder

splashes.

Then

proceed

to

“‘Initial

Tests.”