Gendex Gx 770 User manual

Gx

770

intra-oral

installation/maintenance

manual

x-ray

system

|

THIS

GENDEX

MANUAL

AT

INSTALLATION

MUST

BE

RETAINED

SITE.

|

X-ray

equipment

The

instructions

read

and

followed

dex

dealers

GX-770
The

unnecessary

can

tors
sary

in

operation.

GX-770

provide

from

exposing

radiation.

may

cause

contained

when

operating

will

be

glad

to

provides a high

X-radiation.

complete

However,

protection,

themselves

IMPORTANT!...

injury

if

used

improperly.

in

this

assist.

you

degree

no

nor

or

others

manual

the

of

protection

practical

GX-770.

in

placing

prevent

to

unneces-

must

design

opera-

be

Gen-

the

from

X-RAY

PROTECTION

Itis

Important

ble

government
provisions
recommendations

Protection

dental
Number
30175,

Personal
are

available.

against

that

you

radiation

of

these

and

Measurements.

X-ray

protection

35

available

Washington,

radiation

You

unnecessary

be

fully

acquainted

protection

regulations

the

National

are

published

from

NCRP

D.C.

20014.

monitoring

are

urged

X-radiation

with

regulations.

are

based

Council

Recommendations

Publication,

and

to

use
exposure.

on

in

NCRP

protective

them

applica-

Many

on

the

Radiation

for

Report

P.O.

Box

devices

to

protect

GENDEX

This

direction

assembly,

This

direction

through

Basic

service

CORPORATION

provides

check-out,

also

6)
data

information

adjustment

provides

is

also

and

procedures

provided

to

assemblers

certification

to

to

include

FOREWARD

for

installation

procedures.

be

followed

basic

theory,

of

the

GX-770.

(Sections 2 through

for

periodic

scheduled

troubleshooting

and

The

installation

6)

maintenance.

parts.

(Sections 9 and

GX

data

includes

(Sections

10)

770

3

Section

1

2

Step-by-step

3

4

Preinstallation
This

information

installers

the

installation

preinstallation

remote

special
Installation

station,

mounting

Data

is

as

reference

site

preparation.

4X4

.......................

instructions

assembly,

paration

support)
4X4

procedures.

Electrical

This

checking

electrical

tion

check-out

tion

intervals
System

providing

requirements

are

mount

Calibration

section

and

calibrations.

is

performed

procedure

and

also

as

and

completed.

and

special

provides

adjusting

at

periodic

requested

Function

...............

provided

for

mount

procedures.

for

data

to

completion

Includes

and

for

that

site

pre-

(power

Includes

mounting

..............

instructions

the

GX-770

This

calibra-

as

part

of

the

during

by

(1

the

installa-

year)

owner.

Checks

TABLE

check

of

and

for

......

OF

Page

1-1

CONTENTS

Section

6

Final

This
final

Mechanical
This

check
and
ease
suspension

Remote

This
assembly
the

Electrical

This
operation
troubleshooting

10

This
number
components

Assembly

section

provides

assembly

Adjustments...........

section

and

provides

adjust

tubehead

in

positioning

and

Station

section

provides

and

GX-770

Remote

Troubleshooting

section

section

provides

of

the

identifies

of

major

and

...................

instructions

and

trimout

of

the

unit.

procedures

the

suspension

to

obtain

the

maximum

GX-770

tubehead.

Installation.........

instructions

wiring

connections

Station.

.........

information

GX-770

and

basic

information.

the

ordering

GX-770

other

exchange

service

parts.

Page

6-1

for

7-1

to

8-1

for

of

9-1

on.

To

check-out

tem

compliance

standards.
for
tenance.

5

Certification

This

the
Product
Government
form.

following

This

periodic

section

assembler

Locator

and

test a GX-770

assembly,

with

performance

section

(1

year)

......................

provides

to

fill

cards

FD-2579

to

insure

also

is

used

scheduled

instructions

out

the

and

“Certification”

main-

GENDEX

the

US

sys-

5-1

for

GENDEX

CORPORATION

GX

770

The

purpose

information

SECTION

INTRODUCTION

of

this

for

the

Section
GX-770

is

to

provide

Intra

Oral

1

—

preinstallation

X-ray

System.

PREINSTALLATION

CERTIFIED

COMPATIBILITY

The

GX-770

compatible

Component

Tubehead
Master

120V

60HZ

8"

focal

cone
12” focal

cone
Remote

The

suspension

required

System

components,

Control

length

length

Station

to

be

consists

Model

46-404650G1

46-404600G1

46-404653G2

46-404653G1

46-404725G1

is

Model

certified.

COMPONENT

ofthe

following

manufactured

No.

No.

Label

back

bottom

around

around

left

side

46-404770G1

by

GENDEX.

Location

of

tubehead

base

base

and

certified,

is

not

F59829-174

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Special

Cable

Remote

purchase:

Station

Kit

Mounting

Cone

Length

Remote

Switch

Fixture

GENDEX

CORPORATION

GX

770

The

plan

below,

typical

indicated
located
this

12
line. A reference
shown

A

1-2.

and

location

anywhere

area

inch

(30.5

with

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view

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8

Figure

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cone

grid,

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Figure

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Figures

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Exposure

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handswitch

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tubehead.

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2

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GENDEX

CORPORATION

GX

770

The

basic

structual

mounting
Special
differ

screws

requirements
screws
while
hardware

Fixture
might

For
ware
mount
400

mounting

Mounting

in

the

or

are

three

due

be

encountered.

all

types

for

the

must

Ib.

(182

the

bolts

supplied

are

is

to

withstand a 100

bolts

and

GX-770

Fixture

placement

used

as

for

the

special

for

supplied

not

supplied

the

variety

of

wall

construction,

Master

MASTER

kg.)

or

screws.

Control

withdrawal

CONTROL

hardware

Master

are

and

well

the

for

the

with

of

mounting

See

WALL

TOP

VIEW

Control,

the

the

number

as

the

increased

mounting

GX-770

4X4
the

the

with

suspension

Ib.

(45

kg.)

force

Figure

PLATE

NOTE:

SUPPORT

requirements

4X4

Mount

same.

Mount.

Special

They

of

mounting

fixture.

Master

Mounting
Mounting

situations

mounting

shear

load

at

each

1-5

for

suggested

MINIMUM

support

Control

and

REQUIREMENTS

and

only

Six

which

hard-

4X4
and

of

OF 2 EA.

for

lag

the

wall

used.
mounting
Ib.

withdrawal

screws.

building

load

NOTE:
screws
thickness

threaded
3/8

Mounting
Ib.

force

2"X4"

STUDS

construction

See

Figure

fixture,

(91

kg.)

shear

force

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wail

structure

moment

inch.

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at

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wall

load

the

four

4X4

MOUNTING

TOP

THESE

POINTS

Master

4X4

mount.

must

and a 1500

of

the

four

and

be

capable

ft.

Ibs.

hardware,

the

units,

nutand

plate

side

for

the

Remote

and

20

mounting

PLATE

VIEW

Control

For

withstand a 200

Ib.

mounting

attachments

of

withstanding

(118

kg.m.).

other

is

used,

any

protruding

must

Station

Ib.

(9

kg.)

points.

5

Wallplate

the

special

(680

kg.)

bolts

to

than

the

the

total

bolt

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or

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TYPICAL

|

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1-4

GENDEX

CORPORATION

GX

770

Line

Voltage

maximum,

Maximum

Maximum

110TO130V

line

line

'

60HZ

range:

no

load

110

volts

current:

regulation:

10

FOR
FLUSH
PORTING
TO
MOUNTED

|

ELECTRICAL

minimum

amperes

3%

CONCEALED

BOX

CONDUIT

(CONCEALED

during

MOUNTED

STUD,

CENTER,

39”

(1M)

TO

15

AMP

CIRCUIT

BREAKER

WIRING
JUNCTION

LOCATED

IF

JUNCTION

WIRING

to

exposure

BOTTOM

ABOVE

POWER

130

volts

OPTION:

BOX

42

IN.
GF

FLOOR,

BOX

OPTION)

ANCHORED

(1.08)

FROM

WALLPLATE

REQUIREMENTS

Conduit

junction

Power
#12
#10
The

breaker,
should

TO

FLOOR

19

from

box

“hot”
wire — up
wire — 100

circuit

rated

be

operated

SUP-

TO

BE

electrical

or

wire,

should

at a minimum

service

wall

outlet

to

to

ft.

Power

100

wire

ft.

(30

(30

M)

to

be on a separate

on

the

circuit.

distribution

contain:

neutral
M)
150

ft.

(46

of

15

amps.

and

M)

fuse

center

ground

or

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other

to

wire.

circuit

load

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OPTION)

TO

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(LINE

CONDUIT

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LENGTH

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WIRING,

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35

FT.

EXPOSURE

2

#16

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LENGTH

STATION

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CABLE

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TO

CABLE.

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TON,

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MAXIMUM

一

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MOUNT

STATION,

OR

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30

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FT.

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OR

AWG

SPECIAL

WIRES,

1-5

GENDEX

CORPORATION

GX

770

The

certified

ply

with

Subchapter

X-ray

equipment

tories,

mechanical

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CERTIFICATION

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to

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GENDEX

CORPORATION

GX

770

Prior

to

beginning

lation

requirements
cludes
quate

power

confirming

for

mounting

requirements
Preinstallation

Remote
this

NOTE:
Section 8 or
kit.
calibration
Station.

If

mounting

control,

1.

2.

Exposure

time.

Ifa

The

the

installation

see

Remove
the

cover

Lift

off

If

needed,

Remote

installation

GX-770

complete

fixture,

directions

the

in

the

FOREWARD

the

installation,

have

that

support

the

unit

and

entrance

requirements

Switch

Station

should

is

remoted

four

place, 2 on

cover

should

refer

to

instructions

be

prior

to

to

consist

on

page

screws

and

put

SECTION

be

sure

been

completed.

requirements

and

that

locations

for a Remote

also

be

Section 8 for

Kitis

to

be

installed,

shipped

installed

installation

from

2-11

with

the

top

aside

and

of a 4X4
the

wallplate

of

washers

and 2 on

in a safe

all

preinstal-

This

are

the

electrical

are

Station

complete

details.

with

electrical

of

the

or

this

section.

which

the

location.

2

—

in-

ade-

proper.

or

at

refer

to

each

Remote

special

master

hold

bottom.

INSTALLATION

3.

Remove
Timer
chassis
allow

the
the

Control

access

four

wall

the

screw

is

hinged

to

nuts

holding

plate.

board.

the

located

The

and

can

now

electrical

the

electrical

just

to

the

Timer

Control

swing

to

sub-chassis.

sub-chassis

left

the

Remove

of

the

Board

right

to

to

F59829-84

2-1

3

oe”

4

F59829-91

F59829-89

GENDEX

4.

Lift
protect
in a safe

CORPORATION

off

the

electrical

the

handswitch

location.

sub-chassis,

and

power

being

cord.

sure

Set

to

aside

6.

Using a 1/16”
locate

adequate

present.

Exposure
junction
at

this

located

at

the

proper

7.

Drill

the

1/4"

drill

(1.04

m.)

the

wallplate

floor.

However

altered,

the

centers

mounting

If

Switch

box,

time.

in

the

hole

bit.

above

then

drill

bit,

of
space

the

power

wiring

conduit

Also

lower

height.

This hole

is

this

for

the

to

if

the

and

verify

left

the

finished

be

mounting

height

make

the

and
is

wiring

that

corner

lower

will

39"

(1

must

several

studs.

on

16

Remote

to

be
should

the

junction

off

the

left

lag

normaliy

floor,

m)

above

heightin

be

modified

GX

test

holes

Verify

inch

concealed,

if

that

centers

Station/

be

installed

wallplate

screw

be

40-11

the

bottom

the

finished

step 5 was

accord-

using

box

770

to

an

is

the

is

and

/16”

of

CEE

isi

a

F59829-95

NOTE:
used
supported

See

struction.
mounting.
thickness
threaded

3/8

mounting

supporting a 100
(182

points.
building
load
following
used,

Steps 5 through

to

fasten

by

Section

Lag

When

of

rod

inch.

For

hardware

kg.)

withdrawal

The

structure

moment

procedure

where

5.

Mark

the

plate

at
ceiling
mounting
The
the
to

Preinstallation

height

height

user's

Reach

14

the

Master

wood

studs

1,

Preinstallation

screws

the

washer,

on

any

wall

couple

applicable,

location

39

inches

height

may

choice

and

are

other

hardware

nut

the

wallplate

wall

to

be

Ib.

(45

kg.)

force

fabrication

must

be

of

850

for

mounting

for

for

(1

is

less

than

must

also

be

ofa

high

Coverage

Section

describe

Control

on

16

for

furnished

and

construction,

used

shear

at

each

and

capable

ft.

other

the

bottom

m)

above

87

be

adjusted

orlow

chart

for

additional

the

wallplate

in.

(40.6

suggested

for

is

used,

any

protruding

side

must

must

load

of

the

attachments

of

withstanding

Ibs.

(118

and

leveling

types

edge

the

in.

(221

lowered

to
base

on

be

of

accommodate

procedures

to a wall

cm.)

centers.

wall

con-

this

type

the

total

bolt

not

exceed

the

selected

capable

and a 400

six

mounting

to

the

kg.m.)

hardware.

floor.

cm),

accordingly.

chair.

page

details.

of

may

the

If

then

Refer

1-2

The

wall

the
the

of

or

of

Ib.

a

be

of

8.

Lift

the

left

lag

to

side

wallplate

screw

and

and

tighten

8

into

position

washer.

the

lag

and

Level

screw.

install

the

wallplate

이진

『59829-136

the

lower

side

F59829-140

GENDEX

9.

Drill
using a 1/4
remains

CORPORATION

holes

for

the

inch

level

side

other

drill

to

three

bit.

Be

side.

corner

sure

that

lag

the

wallplate

screws

11.

Remove

the

horizontal

arm

brake.

11

GX

770

long

F59829-166

pivot

post

Install

10.

and

the

washers

remaining

loosely.

three

10

corner

F59829-138

screws

lag

12.

Install

inserted

the

horizontal

into

arm

wallplate.

the

with

the

F59829-142

F59829-165

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16.

Reinstall

CORPORATION

the

horizontal

arm

brake.

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18.

-

Install
zontal

is

pulled

the

pantograph

arm

pivot

through

post.

the

arm

Keep

post.

in

the

place

arm

on

cable

GX

the

hori-

tight

770

as

it

F59829-212

17.

Install

on

which

the

thin

washer

the

pantográph

on

the

horizontal

arm

is

)

to

be

arm

pivot

installed.

19,

Use
the

wallplate
horizontal
route
the

the

string

installed

suspension

assembly.

arm

the

cable

wallplate.

in

cable

through

Pull

completely

through

the

horizontal

the

the

cable

before

the

pivot

F59829-224

arm

arm

and

through

attempting

post

in

and

to

to

pull

the

the

into

to

Do
until

not

the

remove

tubehead

CAUTION

tie

wrap

from

has

been

installed.

the

pantograph

F59829-220

arm

F59829-221

2-5

GENDEX

20.

Remove

the

tubehead

snap

CORPORATION

the

two

mounting

off

from

the

side

sides.

trim

covers

assembly.

from

The

4

the

trim

sides

covers

of

22.

Remove
washer

~

sure
tubehead

NOTE:
be

pointing

that

The

the

from

the

pivot

long

up.

plastic

the

tubehead

rotation

post.

tab

on

retaining

pivot

stop

the

rotation

cover,

post.

is

in

stop

key

Check

place

must

and

GX

770

keyed

to

be

on

the

always

21.

Remove

ing

the

tubehead

four

flathead

wiring

access

screws, 2 on

cover

each

21

F59829-229

by

remov-

side.

COVER

23.

WASHER

Place

tubehead
tubehead

the

LONG

TAB

keyed

mounting

pivot

post

STOP

washer

assembly
is

to

over

be

inserted.

KEY

the

through

F59829-153

hole

which

Y

in

the

the

F59829-156

F59829-150

2-6