Midmark Dental Light (Halogen) Installation guide

English-1

Style G

Midmark

®

Light Install: L/R mounted on Ultra Chair

Applies to Models:

153914 (-002)

153915 (-002, -004)

Language of origin: English

WARNING

Equipment is not suitable for use in the

presence of a flammable anesthetic mixture.

003-2572-00 Rev. AA2 (1/27/20)

Step 1: Lift seat section of chair.

Step 4: Secure lower arm by threading

mounting bolt into nut plate

in L/R mount assembly.

Lower

Arm

Halogen

LED

NOTE: This install guide applies to Halogen and LED-style lights.

Step 2: Lubricate bearing and osition components

as shown over nut plate in L/R mount assembly.

Step 3: Lubricate bearing and position components

as shown in lower arm; then insert bolt.

Bearing

Cap

Bearing

Bolt

Spacer

Bearing

midmark.com

English-2

Style G

Upper Light Arm installation

Step 9: Pull wire harness thru hole

in end of lower arm.

Equipment Alert

Use an assistant to secure light arm at

pivot points. Failure to do so could result

in damage to lighthead.

Step 7: Install rotation stop plate

onto fixed arm.

Step 10: Lift cover ring & install stop pin

into hole in curved arm assembly.

Jumper

Harness

Step 8: Connect wire harnesses at bottom of

light arm post and feed opposite end

through lower arm, exiting out the

bottom. Insert fixed arm into top of

lower arm.

Flex

Arm

Rotation

Stop

Plate

Set

Screw

Stop

Rotation

Stop Ring

Cover

Ring

Step 6: Position tab of rotation stop ring in

line with flex arm, facing lighthead

as shown. Insert flex arm into fixed

arm & secure with set screw.

Fixed

Arm

Fixed

Arm

Lower

Arm

003-2572-00

midmark.com

English-3

Style G

Electrical Connection /

Leveling Light Arm

Step 11: Lift seat section of chair

to remove four screws &

connection box cover.

Step 12: Route wire harness from light up

thru hole in lower arm and position

into notch of control box.

Step 15: Install connection box cover

& secure with four screws.

Step 14: Position lower arm straight out as

shown; then adjust three leveling

screws until light arm is level.

Note

When installing on a Knight chair, route

wire harness through retainer clip (not shown).

Notch

Leveling

Screw

Step 16: Connect chair light harness to power supply.

Chair

Light

Harness

Power

Supply

Step 13: Connect light harness into

chair light harness.

Note: Use jumper wire provided when arm light

and chair light harnesses do not match.

Light

Harness

Chair

Light

Harness

Jumper Wire

(provided)

Lower

Arm

003-2572-00

midmark.com

English-4

Style G

Bypassing the Air Pressure Switch

Equipment Alert

If the installation location does not have a pressurized air supply, it will be necessary

to BYPASS the air pressure switch and still operate the equipment.

Bypassing the Air Pressure Switch is not necessary if a pressurized air supply line is present.

NO

NC

COM

WARNING

To prevent the possibility of electrical shock,

always disconnect electrical power to the

Power Supply before removing the cover. Failure to

comply with these instructions could result in severe

personal injury or death.

To Bypass the Air Pressure Switch...

A) Disconnect power.

B) Remove screws, lock washers and cover.

C) Disconnect brown wire from the NO terminal on

the air pressure switch.

D) Connect brown wire to the NC terminal on the air

pressure switch.

E) Install cover and secure with screws and lock

washers.

F) Reconnect power to the power supply.

003-2572-00

midmark.com

English-5

Style G

Tension Adjustments

To adjust Flex Arm tension...

A) Remove end cap and top cover as shown.

B) Loosen or tighten adjustment nut as desired.

To adjust tension at Arm / Yoke pivot joints...

A) Remove neck cover as shown (see Note).

B) Loosen or tighten appropriate screws to adjust tension.

Note: Some halogen models have a short neck on the lighthead. It is not

necessary to remove the neck cover on these models.

To adjust tension at Light pivot joint...

A) Remove screw cover as shown.

B) Loosen set screw.

C) Loosen or tighten light pivot adjustment screw.

D) Tighten set screw.

Short Neck

Yoke Pivot

Adjustment Screw

Arm Pivot

Adjustment Screw

Adjustment Nut

Yoke Pivot

Adjustment Screws

Arm Pivot

Adjustment Screws

Light Pivot

Adjustment Screw

Set Screw

Neck Cover

(Long Neck)

003-2572-00

midmark.com

Midmark Dental Light (Halogen) Installation guide

This manual is also suitable for

Midmark Dental Light (Halogen) Installation guide

Related papers

Other documents