Gates CRITERION Series - Head Installation Steps

57 pages

Save Page as PDF

To Next Page

To Next Page

To Previous Page

To Previous Page

Loading...

e.

Uling

a

clean

3i

minute

cartridge

record

a

single

1000

cycle

cue

tone

(do

not

record

program

material

on

this

tape).

The

tone

is

recorded

automatically

at

the

be-

ginning

of

the

recording

process.

Allow

the

machine

to

run

until

the

tape

eues.

Rerun

the

tape

and

note

the

exact

tirue

required

for

playback.

This

tape

should

be

kept

on

hand

as

•

timing

standard.

Of

the

various

causes

of

cueing

difficulties.

that

of

head

misalignment

is

most

frequently

encountered.

The

following

discussion

describes

mOmlting

and

alignment

of

heads

on

the

Criterion

equipment.

Installation

of

Heads:

a.

Install

the

~

lock

nut

on

the

head

mO'lUlt1ng

stlXi.

b.

Carefully

thread

the

head

leads

through

the

head

mounting

hole.

Use

tubing

over

leads

as

protection

against

cutting

insulation

while

threading

the

head.

Screw

the

head

into

the

mO\lJlting

hole

'IUltil

the

apex

of

the

head

face

is

27/J211

plus

or

minus

11'32

11

from

the

front

edge

of

the

support

member.

NOTES

:

1.

Do

not

twist

or

apply

tension

to

the

head

leads.

2.

When

tightening

the

head,

apply

pressure

only

to

the

boss

located

on

the

back

of

the

head

cup--not

directly

to

the

head.

3.

Solder

the

head

leads

only

after

completion

of

the

ins

talla

tion.

Height

Adjustment:

Figure

I

illustrates

the

location

of

adjus'bnent

points,

mounting

screws

and

output

connectors.

The

following

steps

outline

proper

adjustment

procedures;

a.

Turn

the

lock

screw

counterclockwise

until

the

screw

is

well

above

the

look

(maximum

down)

position.

b.

Adjust

screw

A.

for

9/16"

height

of

the

top

of

the

upper

track

above

the

deck

surface.

c.

Adjust

screw

B

for

exact

perpendicularity

between

the

deck

surface

and

pole

faces.

This

may

be

done

using

a

metal

gauge

(e.

g.

meW

rule)

loIb1ch

is

known to

be

square.

ReISt-

ing

one

edge

of

the

gauge

on

the

deck

surrace.

move

the

gauge

against

the

tace

of

the

head.

At

the

point

ot

perpencUcul.ar1

ty,

no

space

should

b.

visible

between

the

head

and

gauge

as

the

g.~e

115

resting

nat

on

the

deck •

.5-2