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Procenter Systems

Midmark Procenter Systems Installation guide

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  • What is the purpose of the Procenter Assistant's Unit?
    Can the Assistant's Unit be mounted onto different types of dental chairs?
    What is the first step in removing the Chair Pivot Switch Bracket?
    What safety precaution should be taken before removing any covers?
    How do I remove the lift arm covers?
    How do I install the Rear Mounted Assistant's Unit?
    What connections need to be made to the Rear Mounted Assistant's Unit?
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
DA2416i
Procenter Assistant’s Unit, Rear Mounted on an Elevance
Chair Installation Guide
Note
The Rear Mounted Assistant’s Unit can be mounted onto a Console or an LR Chair.
Removing the Chair Pivot Switch Bracket
Switch
Bracket
Chair Pivot
Language of origin: English
Step 1: Raise chair to a comfortable working height. (Chair should
be at least 10"- 15“ above floor.)
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.
Upper Lift Arm Cover
Lower Lift Arm Cover
003-2033-00 Rev. E (2/13/15)
WARNING
Always disconnect power before removing covers. Failure to do
so may result in personal injury.
Step 2: Remove chair pivot switch bracket (two shoulder bolts in
the slotted holes and two screws in bottom).
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
Removing the Lift Arm Covers
DA2418i
Step 3: Push in with a screwdriver to release the clip on each side
and pull up to remove the top lift arm cover.
Note: top lift arm cover has a clip that fits over the dowel rod on the front of the chair.
Top Lift Arm Cover
Step 4: The bottom lift cover hangs from four mounting pins on the
chair frame. Pull cover out to free from mounting pins, then
back as you maneuver the cover off the chair frame.
Mounting Pin
Bottom Lift
Arm Cover
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
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Installing the Rear Mounted Assistant’s Unit
Equipment Alert
Have an assistant support the mount arm and steady all
pivot points to prevent damage to the equipment.
Step 5: Mount the Assistant’s assembly on the chair
pivot using four hex head screws and washers.
Step 6: With the hex head screws tightened
loosely, turn the four set screws to
level the mount arm assembly with
respect to the floor.
Set Screws
(4)
Set Screw
Adjustment
Step 7: Also level the mount arm assembly
with respect to the mounting holes by
lifting one side or the other.
Step 8: Once mount arm is level, in both
respects, tighten all four hex
screws to secure.
Hex Head
Screws (4)
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
Connecting the Tubing and Power on the Rear Mounted Assistant’s Unit
Bottom Plate
Water (blue)
Air (yellow)
Vacuum
Power
Controls
Equipment Alert
If the chair has a console, you will
have to cut the vacuum line routed to
the console and connect it to the line going to the
Assistant’s Unit.
Step 9: Remove bottom plate (two screws) and make the
electrical and tubing connections inside the chair
frame.
Vacuum line
to console
Vacuum line
to Assistant’s
Unit
Step 11: Install bottom plate (two screws) to support the
wiring and tubing.
Chair Umbilical
Assistant’s Unit
Umbilical
Bail Wire
Holder
Ground
LIN Line
Coupler
LIN Line
Caution
Connect ground wire to ensure system ground continuity.
Failure to do so may result in electric shock.
Step 10: Keep all connections above the bail wire holder.
Use two or more ties to bundle wiring and vacuum
tubing together and strapped to the chair frame.
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
Procenter
Interface
PCB
Additional Wiring Connections Required for an Installation without a Delivery Unit
Step 12: Remove seat upholstery, seat shrouds and the
seat frame to access the toe-end of the chair.
Step 13: Install Procenter Interface PCB and mounting
bracket in the chair.
Seat Shroud (RH)
Seat Upholstery
Seat Frame
Step 14: Plug the Assistant’s Control Harness into J1 or J2
and plug the LIN connector into J4 on the Procenter
Interface PCB.
Step 15: Install seat frame, seat shrouds and
seat upholstery on the chair.
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
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Installing the Chair Pivot Covers and Lift Arm Covers
Step 18: Install upper pivot cover (two screws in chair pivot).
Step 16: Install switch bracket (two shoulder bolts in the
slotted holes and two screws in bottom).
Switch
Bracket
Upper Pivot Cover
Lower Pivot Cover
Step 17: Install lower pivot cover (slip slotted holes over
shoulder bolts in chair pivot).
Step 19: Install Lift Arm Covers (see Removing Lift Arm
Covers, on a previous page in this guide).
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
Test Verify the following:
1 Mount arm and assistant’s unit are level.
2 Mount arm and assistant’s unit rotate and move easily.
3
Mount arm stays where placed without drifting. Adjust drag
on pivot point if necessary.
4
Lift arm covers are in place and limit switches activate when
covers are tapped.
5
Chair pivot covers are securely in place and the limit switch
activates when cover lowers into an obstruction.
6
Instruments work on the assistant’s unit - no wires or tubing
are pinched by covers or mountings.
7
Wipe assistant’s unit with a soft dry cloth to remove any dirt
or smudges.
Installation Checklist
To Adjust drag on pivot points...
Tighten or loosen the set screw near the desired pivot point to
modify the pivot’s drag.
DA2424i
Mount Arm
pivot points
Allen wrench
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© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
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