This month we’ll run down how to install a DCI/Marus dental chair in less than 30 minutes! Other makes may vary somewhat, but they are all quite similar. Installing a dental chair is a straight-forward and simple task that anyone can perform quickly. And by doing it yourself, not only will you increase your familiarity with the workings of your equipment, but you’ll save money too!
Tools you will need: A scissors or sharp knife, a socket wrench, crescent (adjustable) wrench or a set of open-end/box wrenches, and a 1/8” allen (hex) wrench.
Before the chair arrives, the trucking company will call to make final delivery arrangements. We always have the delivery company call 24 hours in advance to make sure the delivery time works for you. Once the chair is delivered, you can begin installation.
Dental Chair Installation Instructions:
Before Installation
- Remove the top of the shipping carton. Your chair ships in a carton secured to a pallet. We make arrangements with the trucking company, so they deliver the chair into your office for you. The carton typically comes secured with plastic straps to the pallet. Cut the straps with a scissors or sharp knife. Once the straps are removed, the cardboard should just lift straight up.
- Inspect chair. Inspect the chair for any signs of damage and inform your dealer immediately if you see anything untoward. The way that chairs are packaged makes damage extremely rare, but it can happen.
- Remove retaining blocks from the base of the chair. The chair typically anchors to the pallet by wooden blocks that overlap the base of the chair and bolt to the pallet. Using a socket, crescent, or open-end wrench, unscrew the bolts and lift off the retaining blocks.
- Slide chair off of pallet. While heavy, the chair should slide fairly readily off of the pallet. It’s best to have two people for this task. Always push with your legs (bent at the knees). Be sure to push as close to the base of the chair as possible (for the best leverage and to assure you don’t push on a movable part).
Installing in the Operatory
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Attach back rest link pin to drive shaft/cylinder back link, using a 1/8” hex wrench. The back ships unattached to the drive mechanism (which controls back movement), so it can fold down to easily fit into the carton. There is a hook on the drive linkage, which attaches to a bar at the bottom of the back rest. This hook secures with a set screw.
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Attach seat frame rail using provided bolts. The bolts insert through the bushings forming a hinge, which allows the seat to easily lift for service and cleaning. This also allows for coordinated seat and back movement.
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Attach upholstery to the seat frame. The upholstery ships anchored to a steel plate (toe board). This plate secures to the seat frame using four large thumb screws.
- Insert headrest. The headrest inserts into a slot in the middle of the backrest. There is a line on the headrest. This represents the maximum safe distance the headrest should be extended. The vertical tension on the headrest adjusts using the two button-head phillips screws on either side of the slot. Tighten these screws to increase tension, making it harder to push the headrest down (and so it holds the selected height).
- Plug in and test for function. Connect the chair to a 110V grounded outlet. Test each control individually – base up, base down, back up, back down, auto return, and any programmed positions. Use the foot control as well as any back switches or remote touch pads for all functions (one at a time). If your chair is programmable, this is also the time to program any custom positions you wish.
And that’s all there is to it. You have a new dental chair installed and fully functioning in just minutes!
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