Midmark European Assistant's Unit Installation guide

English-1

Switch

Bracket

Upper Pivot

Cover

Lower Pivot

Cover

European Assistant’s Unit: Rear Mounted with Elevance

Cuspidor Combo Installation

Language of origin: English

003-2288-99 Rev. D (4/4/2013)

Step 3: Remove one side then the other of

the lower pivot cover from the bracket

shoulder bolts and pins.

Step 2: Remove two screws and the upper pivot cover.

Step 4: Remove two screws from the bottom of

the switch bracket and allow bracket to

rotate down, out of the way.

Upper Lift Arm Cover

Lower Lift Arm Cover

Lower Pivot Cover

Equipment Alert

Tap a lift arm or lower pivot cover three times to raise

the chair to the pre-programmed “home” position; a

convenient height for installation or patient access.

The chair beeps until it reaches the home position.

Step 1: Position equipment.

A) Raise chair to a comfortable working height.

WARNING

Always disconnect power before removing covers. Fail-

ure to do so may result in personal injury.

B) Disconnect power.

midmark.com

Style G

English-2

DA2418i

Upper Lift

Arm Cover

Mounting Pin

Lower Lift

Arm Cover

Note Only the bottom half of the chair is shown in illustrations for simplicity and for focus on required tasks.

Step 5: Push in clip with screwdriver to release clip on each side.

Lift up to remove the upper lift arm cover.

Note: Upper lift arm cover has clips that fit over a dowel rod on front of the chair.

Step 6: Remove lower lift arm cover by working one side at

a time, moving cover to the side and back to free it

from mounting pins.

midmark.com

Style G

English-3

Set Screw

Adjustment

Hex Head

Screws (4)

Set Screws

(4)

Step 7: Mount the cuspidor and rear assistant’s unit assembly on the chair pivot using four hex head screws and washers. Do not tighten hex head screws fully.

Step 8: Adjust four set screws to level

the assembly horizontally

Step 9: Level vertically by lifting either side

of the assembly (mounting plate)

and tightening the hex screws.

Equipment Alert

Have an assistant support the mount arm assembly and

steady all pivot points to prevent equipment damage.

midmark.com

Style G

English-4

Constant Flow

Pilot Controlled Flow

Program Button

Touch (Pilot)

Controls

Limit Switch

Cuspidor Internal Components

Electric

Solenoid

Cuspidor Power

and Ground

Step 11: Install cup fill tube.

Alternate

Step 10: Install bowl and

strainer assembly.

Step 12: Install bowl rinse tube.

Note: May use alternate bowl rinse tube in facilities that have

a 1" (2.5 cm) air gap built into the drain system.

midmark.com

Style G

Color Page

English-5

1

Bottom

Plate

3/4" Vacuum

Tube

Relay Harness

1/8" Air - yellow

1/4" Water - blue

Elevance Cuspidor Connections

5/8" Drain

Remove

Jumper

European

Assistant’s Unit

Connections

Ground

Wires

LIN Coupler

Curing

Light

(option)

1/8" Air - yellow

1/8" Water - blue

Chair Umbilical

Step 13: Connect tubing and harnesses.

A) Remove bottom plate (two screws).

B) Connect like colored tubing.

C) Adhere LIN coupler inside chair frame cavity with velcro strips.

D) Connect LIN lines to coupler.

Caution

Connect ground wire to ensure system ground continuity.

Failure to do so may result in electric shock.

E) Screw ground wires to chair frame.

F) Connect the vacuum power to relay harness.

G) Install bottom plate (two screws).

Note: Keep all connections above the bail wire holder. Use two or more ties to bundle wiring and tubing

together and strapped to the chair frame.

Vacuum

Power

midmark.com

Style G

Color Page

English-6

8

0

4

0

6

0

1

0

3

5

6

7

40

60

1

0

20

0

1

2

3

5

6

7

4

0

Step 14: Remove lid from J-box.

Step 17: Have an electrician connect facility power to the

vacuum relay and place it inside the J-box.

Step 16: Water valve assembly connections

A) Connect 1/8” red pilot air tubing to T-Barb.

B) Replace 1/8" fitting on pilot valve with the 1/4" fitting from

the hardware kit. Connect 1/4" blue tubing.

C) Connect 1/8" blue tubing for city water to the T-Cross

fitting if city water option is being used.

Note: Replace 1/8” fitting on the T-Cross fitting with a plug from the hardware

kit, if CITY WATER option is not being used.

Step 15: Use hose clamp to install 5/8" tubing from umbilical to facility drain.

Water Valve Assembly

Pilot Valve

T-Barb

To

Power

Supply

From Air

Valve

Assembly

Air Valve Assembly

Pilot Valve

To Water

Valve

Assembly

T-Cross

Vacuum

Relay

Equipment Alert

Reference product specifications in

the European Assistant’s Unit User

Guide for electrical requirements for

the vacuum.

midmark.com

Style G

Color Page

English-7

Upper Pivot

Cover

Lower Pivot Cover

Switch

Bracket

Step 20: Install HVE instruments.

Step 18: Return switch bracket to the upright position and

install two screws/lock washers in bottom.

Step 19: Install upper and lower pivot covers (refer-

ence Steps 2 and 3).

Step 21: Install lift arm covers (reverse Steps 5 and 6).

midmark.com

Style G

English-8

Test Verify the following:



1 Mount arm, cuspidor and European assistant’s unit are level.

2 Mount arm and European assistant’s unit rotate and move easily.

3

Mount arm stays where placed without drifting. Adjust drag on pivot

points if necessary.

4

Chair lift arm covers are in place and limit switches activate. Chair

returns to home position when a cover is tapped three times.

5

Pivot covers are in place and limit switches activate Chair raises when

lower pivot cover is tapped three times.

6

Instruments work on the European assistant’s unit - no wires or tubing

are pinched by covers or mountings.

7 Wipe components with a soft dry cloth to remove any dirt or smudges.

8 Pressing cup ll button activates the cup ll function.

9 Pressing bowl rinse button activates the bowl rinse function.

10 There are no leaks in the ll or drain connections or tubing.

DA2424i

Mount Arm

pivot points

Allen wrench

To adjust drag on pivot points...

Tighten or loosen the set screw near the desired pivot point to

modify the pivot’s drag.

Installation Checklist

Step 22: Connect chair to power supply. Verify cuspidor

operation. (Reference Elevance Cuspidor User

Guide for operation information.)

midmark.com

Style G

Page is loading ...

Midmark European Assistant's Unit Installation guide

Midmark European Assistant's Unit Installation guide

in other languages

Related papers

Other documents