A-dec Dental Lights User manual

85.0812.00, 2003 LI-1

Dental Lights Overview

This section presents the Pre-Cascade and Cascade dental lights and their specifications.
Detail on how to service and adjust lights and troubleshoot specific problems is presented.
For more information on service parts, see the Genuine A-dec Service Parts Catalog or contact
customer service.

If you are looking for information about the Performer dental light, please see Performer (PR).

85.0812.00, 2003

Dental Lights Serial/Model Number Label

Locating Model/
Serial Number and
Circuit Breakers

Unit Mount and Radius Lights

Model/serial number
tag (bottom of post
after June 1998)

Model/serial number tag
(under cover before June 1998)

Track Light

Model/serial number tag
(on back of cover)

Circuit breakers

Ceiling Light

Wall Mount

Model/serial number
tag (on top of cover)

Model/serial number
tag (on top of cover)

Circuit breaker

Circuit breaker
(hidden)

Preference

Post Mount

Model/serial number
tag (at base of arm)

Circuit breaker(s)

Model/serial number tag
(on bottom of cover)

Circuit breaker

The model/serial number tags identify the light model and manufacture date. If you have
difficulty locating the model/serial number or circuit breaker locations on the lights,
the following examples may be helpful. The circuit breakers automatically interrupt the flow of
electricity to the light if an over-current condition occurs.

NOTE:Circuit breakers (post June

1998) and fuses (before
June 1998) are located in
the power supply.

LI-2

®

85.0812.00, 2003 LI-3

Dental Lights Manufacture Dates

Serial/Model Number Label

Reading
Manufacture Dates

1

1

1

2

2

2

Item # Description

1 Month of manufacture

The first letter of the serial number indicates the month
the product was manufactured; e.g., A is January.

2 Last digit of the year manufactured, e.g., 7 is 1997

Different versions of the light can be distinguished by month and year manufactured. This
information is included in the serial number of each dental light.

The following examples show how to identify the month and year in which a light was manufactured.

85.0812.00, 2003 LI-4

Dental Lights Cascade Light Head

Item # Part Number Description

1 28.1004.00 Bulb and holder

2 041.179.01 Bulb

3 90.0463.01 Lamp socket kit

4 28.1012.00 Bracket assembly (2 required)

5 28.0679.01 Pivot stop

6 90.1043.00 Intensity switch kit

7 90.1039.00 On/Off switch kit

8 28.1464.01 Switch housing kit

Cascade Light Head

6
A

1
2
5

V
A

C

3

A
2

50
V

A

C
O
N

O
N

O

N

Cascade Light Head

1

5

2

3

Cascade Light Head

4

6

7

8

6
A

1
2
5

V
A

C

3

A
2

5
0
V

A

C
O
N

O
N

O

N

85.0812.00, 2003 LI-5

Dental Lights Cascade

After September 1998

Before September 1998

Identifying Intensity
Switch Connections

(Cascade)

Blue

Violet

White

Low

High

Medium

Green

Blue

(15-16vac)

Violet

(16-17vac)

Green

(14-15vac)

White

Jumper wire

Red

Wht

Blk

Low

High

Medium

Brn

Red

(15-16vac)

White

(16-17vac)

Brown

(14-15vac)

Black

Jumper
wire

The three-position intensity switch is used to set light intensity at one of three settings: low,
medium, or high. The replacement kit for the intensity switch is P/N 90.1043.00.

The following illustrations identify the connections for attaching appropriate wires from the
intensity switch to the dental light.

Jumper
wire

Jumper
wire

85.0812.00, 2003

LI-6

Dental Lights Cascade Wiring Diagrams

After September 1998

Wiring Transformer,

(110-120 VAC, 240 VAC)

Transformer

Before September 1998

Transformer

NOTE: The power transformer had lower output voltages and no “1 VAC” tap before January 1989.

The transformer converts incoming source power to the correct voltage to power the dental light
head. The wiring diagram shows the wiring changes for the transformers.

17 VAC

16 VAC

15 VAC

1 VAC

0 VAC

17 VAC

16 VAC

15 VAC

1 VAC

0 VAC

85.0812.00, 2003 LI-7

Dental Lights Cascade Wiring Diagram

Wall-Mount, Single/Dual
Track, Preference, and
Ceiling-Mounted Lights

NOTE:Voltages shown are assuming 120/240 VAC. Secondary voltages

measured without the lamp inserted will register 1.2 VAC higher.

After September 1998

(Wht in Pref)

(Blk in

Pref)

(Grn in
Pref)

Transformer

Transformer

To
power
source

To circuit breaker

To light head

To circuit
breaker

To light head

Wall-mounted and
Preference-mounted lights

Wall-mounted and
Preference-mounted lights

Dual track light (optional)

17 VAC
16 VAC
15 VAC

1 VAC (not used)

0 VAC

17 VAC
16 VAC
15 VAC

0 VAC

1 VAC (not used)