WEBSTER CHICAGO 79 - Page 5

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ADJUSTMENTS

FOR

TAKE

-

UP

DRUM

AND

SUPPLY

SPOOL

CHUCK

Second.

Place

spool

of

wire

firmly

on

Rewind

Chuck.

Line

up

the

inside of

the

Bottom

Flange

with

the

Inside

of

the

Bottom

Flange

of

the

Take-up

Drum.

SUPPLY

SPOOL CHUCK

.010 plus .

002

minus .

002

clearance

between

collar

and

main

plate.

SUPPLY

SPOOL

CHUCK

SHAFT

Loosen

Nut and

Turn

Screw

to

Adjust

Height

of

Chuck

Shaft

3

Third.

Set

Recording

Head

Groove

so

wire

will

wind

Flush

with

the

inside of

the

Bottom

Flanges

of

Rewind

Chuck

and

Take-up

Drum.

First.

Set

inside

of Flange

Flush

to

1/32"

higher

than

Top Plate.

TAR-

UP

DRUM

MAIN

PLATE

r- r

Allow

1/32"

Plus -

Clearance

between Cam

and

Shaft.

ROCKER

CAM

FOLLOWER

SET

WORM GEAR

CENTER

OF

SCREW

CAM

ALLOW .

002

to .

005

Backlash.

2

SCREWS

TO

SET

GEAR

ASSEMB

Suggestion.

In

lining

up

the

inside

of

the

Flange

of

the

Rewind

Chuck

with

the

inside

of

the

Flange

of

the

Take-up

Drum,

it

is

suggested

that

a

six

inch

scale

be

used.

The

small

half

inch

wide

six

inch

scale

will

just

fit.

TOP

PLATE

Set

same

as

Supply

Spool Collar

DRUM

SHAFT

Loosen

nUt

and

Turn

Screw

to

Adjust

Height

of

Drum

Shaft.

Fig.

3 —

SPOOL

HEIGHT

ADJUSTMENTS

08

13GOW (

INV

61

13GOW

8E0d6Z

N11311118