Copyright © 2004 A-dec Inc.
All Rights Reserved.
86.0602.00
2003-12 Rev. A (04123.13)
A-dec 500 Chair
Quick Start Guide
About the
A-dec 500
Chair
The A-dec 500 dental chair is a hydraulically controlled dental chair providing a
balance between patient comfort and doctor efficiency. The ease of operation and
patient access was designed based on direct input from practicing dentists and
hygienists.
Power
On/Off
The Power On/Off button is located on the base of the chair. This function allows
you to engage power or disengage power to the entire system. When the button is
pressed in, the system has power. When the button is out, the system has no power.
Status Icon
When an assistant’s instrumentation or delivery system is installed on the chair, the
A-dec logo on the touchpad illuminates indicating the status of the chair.
• Solid Blue: Normal operation.
• Blinking: The chair stop plate limit switch or the support-side limit
switch has been activated. Remove any obstructing object.
Stop Plate
The chair stop plate stops chair movement immediately when it is pressed. Should
anything inadvertently become lodged under the chair, press Base Up on the
footswitch or touchpad to raise the chair so the object can be removed.
As long as pressure is applied to the stop plate, the chair will not move down.
Swivel Brake
The chair can rotate to any position within 30° either side of center. The chair swivel
brake restricts rotation of the chair. To engage the brake, push the brake lever
firmly to the left. To release the swivel brake, push the brake lever to the right. If the
chair swivels with the brake engaged, or if it is difficult to move with the brake disengaged, adjust the swivel brake tension.
Headrest
• Adjustment lever allows the headrest to be adjusted using one hand. When
the lever is released, the headrest holds its position.
• The glide bar allows the headrest to accommodate a variety of patient
heights. Pull up or push down on the headrest until it is at the
desired height.
NOTE: When the bar has reached its maximum recommended height, a
warning will become visable on the bar. Do not use the headrest if this
warning is visible.
• When the chair back is raised or lowered, the gliding headrest
automatically follows the motion of the patient.
Armrests
The armrests on the A-dec 500 chair are designed to allow easy access for both the
patient and the doctor.
• Patient entry/exit: Lift the armrest to unlock it, and lower it into
position. To reposition the armrest, lift the armrest
back into the standard position.
•Working Direct: Rotate the armrest toward the toe of the chair
and lower it into the operator access position.
To reposition the armrest, lift up and rotate it into
the standard position.
How to Program Your Chair
This table explains how to program chair functions using a footswitch, standard touchpad, or a
deluxe touchpad.
Table 1 Steps for programming chair positions
Position 3 can be set to either a programmed position or an x-ray/rinse position.
The table below explains how to set the function for Position 3.
Table 2 Steps for setting position 3 function
NOTE: Disabling the x-ray/rinse function is a global function for both mode A and mode B.
The dual operator modes (A/B) on the deluxe touchpad allow for additional programmable chair
positions for a total of eight presets. This table explains how to program chair functions in the dual
operator modes.
Table 3 Steps for programming dual operator mode (A/B)
Step Action
1
Use the manual controls (arrows) to position the chair to the desired operating position.
2
Press and release Program (one beep).
3
Press the button you wish to program (three beeps).
Step Action
1
Press and hold Program and then Position 3. Hold together for four
seconds (one beep).
The x-ray/rinse function is disabled, and Position 3 is now a programmable position.
2
Program position (see Table 1).
3
To return to the x-ray/rinse function, press and hold Program and then Position 3.
Hold together for four seconds (three beeps).
The x-ray/rinse function is enabled.
Step Action
1
Select the operator mode being programmed A/B. The letter in the lower left-hand
corner of the touchpad screen shows which mode is being programmed.
2
Program position (see Table 1).
Copyright © 2004 A-dec Inc.
All Rights Reserved.
86.0602.00
2003-12 Rev A (04123.13)
Date of Service Model/Description of Service Technician’s Initials
A-dec 500 Chair
Maintenance Record
Copyright © 2004 A-dec Inc.
All Rights Reserved.
86.0602.00
2003-12 Rev A (04123.13)
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