Midmark Elevance® Dental Chair User guide

English-1

TP200 Rév. A

Service Procedure Reference Guide

003-1917-00 Rev. G (4/11/13)

Contents:

PC Board Cover Removal ..................... 1

Chair Calibration .................................... 1

Remote Control Synchronization ........... 1

Hydraulic Valve Adjustment ................... 2

1

2

3

4

P

WARNING

Always disconnect power before

removing covers. Failure to comply

may result in electric shock.

PC Board Cover Removal:

A) Using a screwdriver, push in on release

clip on each side of lift arm cover.

B) Lift cover up to disengage front clips.

C) Remove two screws & PC board cover.

Release Clips

#4 Dipswitch

(shown in ON position)

WARNING

Chair will move automatically when “TEST” button is

pressed. Stand back and allow chair to complete all three

Up / Down cycles of the calibration routine. Failure to comply may

result in serious personal injury.

Chair Calibration:

A) Disconnect power to the chair.

B) Move #4 dipswitch on S2 switch block to ON.

C) Connect power, then press “TEST” button on S1.

D) Allow chair to complete entire calibration cycle (see Note).

E) Disconnect power, then move #4 dipswitch to OFF.

F) Connect power - Check for proper operation - Install covers.

Note: The chair emits a short “beep” every two seconds during calibration.

Three long “beeps” indicate successful calibration is complete.

One long “beep” indicates calibration has failed. (Repeat procedure)

WARNING

Use caution when operating chair with covers removed.

Failure to comply may result in electric shock.

Remote Control Synchronization:

A) Verify that chair is properly calibrated.

B) Connect power to the chair, then move #4 dipswitch on

S2 switch block to ON. (two “beeps”)

C) Press & hold buttons “2” and “3” on the hand control within

three seconds from setting the dipswitch 4 to the ON position.

(Three “beeps” from the chair, then three “beeps” from the remote control)

D) Move #4 dipswitch to OFF.

E) Check for proper operation - Install covers.

Press & Hold

Style A

English-2

TP200 Rév. A

Throttle Valve Factory Settings

(Number of Turns OPEN from the FULLY CLOSED position)

Throttle Valve Chair Only Chair w/ L/R or Console

Base

TV1 Base Up 3 Full turns 5

1/2 Full turns

TV2 Base Down 3

1/4 Full turns 2 3/4 Full turns

TV5 Base Damper 3 Full turns 4

1/2 Full turns

Back

TV3 Back Up 1

1/2 Full turns 1 1/2 Full turns

TV4 Back Down 5

1/2 Full turns 5 1/2 Full turns

TV6 Back Damper 5 Full turns 5 Full turns

ATTENTION: This procedure adjusts the speed of the Base and Back cylinders.

Hydraulic Valve Adjustment:

A) Use the illustration to locate the throttle valve for the desired function.

B) Use a screwdriver to adjust the throttle valve as necessary.

C) Check for proper operation.

D) Repeat Step B as necessary to achieve desired speed.

Note: Midmark does not recommend adjustment of TV5 or TV6.

Back Cylinder

Base Cylinder

Reservoir

Pump

Base Down

Throttle Valve

Base Up

Throttle Valve

Back Down

Throttle Valve

Back Up

Throttle Valve

Speed Adjustment

Increase Decrease

Style A

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Midmark Elevance® Dental Chair User guide

Midmark Elevance® Dental Chair User guide

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