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User Manual | MTI 424, 423, & 421 

15

Scuff Cover Replacement Instructions 
(LRX Models) 

1.  Remove the foot cushion from the chair by 

loosening the two screws on the underside of 

the foot using a Phillips screwdriver. (See also 

“Unpacking and Set-up” on page 8.)

2.  Remove the scuff cover from the foot section 

(attached with Velcro®).

3.  Place the replacement scuff cover on a flat 

surface.

4.  Place the foot cushion on top of the scuff cover, 

centered left to right. (See “Figure 1” on page 

15.)

5.  Align the edge of the Velcro® on the bottom 

edge of the scuff cover with the foot cushion. 

Stretch the scuff cover over the bottom edge.

6.  Slide the foot cushion on the scuff cover to 

tighten.

7.  Stretch the sides and attach the Velcro® in 2 

places on each side.

8.  Reattach the foot cushion to the chair. (See 

also “Unpacking and Set-up” on page 8 for 

installation instructions.)

Figure 1

Calls for Service

Equipment’s model and serial number information are 

required when calling for service.

Serial number is indicated by the 

 symbol 

located on the serial number tag.

If service is required, contact MTI

U.S. & Canada 888-520-4998 

International 801-875-4998 

Fax (801) 952-0548 

[email protected] 

Monday-Friday 8:00 am - 5:00 pm (MST) 

www.mti.net

LIMITED WARRANTY

Medical Technology Industries, Inc. (hereinafter referred to 
as MTI), shall repair or replace products of its manufacture, 
which prove to be defective in material and/or workmanship 
for a period of twelve (12) months from the date of 
shipment to the customer (the “Warranty Period”). MTI will, 
at its option, provide parts to the customer or repair the 
defective part at MTI’s factory or authorized repair facility. 
Except as it may otherwise specifically agree in writing, MTI 
shall not be liable for transportation or labor charges for 
repairs or adjustments or other work done on any of its 
products by MTI’s authorized dealers or service organizations.

Customer shall notify MTI of any alleged claim or defect 
within fourteen (14) days from the date customer discovers, 
or upon reasonable inspection should have discovered, 
such alleged claim or defect (but in any event before the 
expiration of the Warranty Period). All repair parts are 
warranted for Ninety (90) calendar days from the date of 
shipment to the customer. Warranty is non-cumulative.

This warranty does not apply to any part or product 
which upon examination by MTI or its authorized agents 
indicates the product has been repaired or altered in any 
way by persons other than MTI or its authorized agents, 
has been misused, abused or used in a manner contrary 
to any instructions issued by MTI. Any parts or products 
claimed under this warranty must be properly packaged by 
customer and returned to MTI’s factory with no liability to 
MTI for the parts, products or transportation charges thereon.

In no event, shall MTI have any liability for consequential, 
indirect, incidental, special, exemplary, punitive or enhanced 
damages, lost profits or diminution in value arising 
out of or relating to a product defect or the repair or 
replacement of any products manufactured or sold by it.

THE FOREGOING LIMITED WARRANTY IS MADE IN LIEU 
OF ALL WARRANTIES EXPRESSED OR IMPLIED, AND MTI 
MAKES NO OTHER WARRANTY WHATSOEVER WITH 
RESPECT TO THE PRODUCTS INCLUDING BUT NOT LIMITED 
TO, ANY IMPLIED WARRANTY OR MERCHANTABILITY 
OR FITNESS FOR A PARTICULAR PURPOSE.

Summary of Contents for 421

Page 1: ...User Manual U S Canada 888 520 4998 International 801 875 4998 www mti net 424 423 421 Chairs Strength in patient care 421 CHAIR 424 CHAIR 423 CHAIR ...

Page 2: ...THIS PAGE IS INTENTIONALLY BLANK ...

Page 3: ... Equipment 5 EQUIPMENT FEATURES 6 INSTALLATION 7 Required Tools 7 Explanation of Instructions 7 Unpacking and Set up 8 OPERATION 9 Operating Conditions 9 Controls 9 Headrest Operation 10 Manual Backrest Operation 10 Flip up Armrest Operation 10 Swivel Operation 11 LIST OF ACCESSORIES 12 MAINTENANCE 13 Cleaning and Disinfection 14 Preventative Maintenance 14 Fuse Replacement Instructions 14 Scuff C...

Page 4: ...air 115V 020203012 Current 4000163 423H LRX Exam Chair 230V 020203012 Current 4000164 423L LRX Exam Chair 115V 020203012 Current 4000165 423L LRX Exam Chair 230V 020203012 Current 4000208 424H Exam Chair 115V 020203012 Current 4000209 424H Exam Chair 230V 020203012 Current 4000210 424L Exam Chair 115V 020203012 Current 4000211 424L Exam Chair 230V 020203012 Current 4000212 424H LRX Exam Chair 115V...

Page 5: ...l professionals who have been trained to use it No repair information is included with this manual because no operator repairs are intended Intended Use This equipment is intended to be used as a chair for general examinations and procedures performed by medical professionals PRODUCT INFORMATION Date of Purchase Model Number Serial Number see EQUIPMENT FEATURES on page 6 for location of serial num...

Page 6: ...e used to call attention to a condition practice or procedure which could cause product damage if not used correctly Sont utilisés pour attirer l attention sur une condition pratique ou procédure qui pourrait causer des dommages au produit s il n est pas utilisé correctement NOTICES AVIS Are used to call attention to helpful information regarding a condition practice or procedure Sont utilisés pou...

Page 7: ...he presence of flammable anesthetics Ne pas faire fonctionner l équipement en présence d anesthésiques inflammables WARNING AVERTISSEMENT When the equipment is in motion from a programmable position or auto return injury may occur if the equipment is not attended to until it comes to a complete stop Lorsque l équipement est en mouvement à cause d une position programmable or retour automatique ble...

Page 8: ... Only or Hospital Grade Mise à la terre fiabilité ne peut être atteint lorsque l équipement est connecté à un réceptacle équivalent marqué Hôpital Uniquement ou de Qualité Hôpital WARNING AVERTISSEMENT When using endocardial catheters or high frequency surgical procedure devices use non conductive material to insulate the patient from metal portions of the equipment Failure to comply may result in...

Page 9: ...tor is not used Un protecteur de surtension correctement classé doit être utilisé pour protéger la carte de circuit imprimé La garantie est nulle si ce protecteur de surtension n est pas utilisé NOTICE AVIS Removing the power supply cord at the equipment input or wall receptacle will simultaneously isolate both poles of the power supply Retrait du cordon d alimentation à l équipement ou à la prise...

Page 10: ...hand switches in the back of the chair The foot and back have coordinated motion The tilt is fixed at 2 degrees The foot comes with a flip up footrest The 423 LRX does not come with a footrest and includes an extended legrest Swivel motion is standard on all 423 chairs Description of 421 Exam Chair The 421 Exam chair is a Single Power Exam Chair The chair includes power lift with a 650 lb 295 kg l...

Page 11: ...e and known positions Après l équipement est installé vérifier que les positions programmables sont dans des positions sûres et connues CAUTION PRÉCAUTION To move equipment lift only from the equipment s main structure Pour déplacer l équipement soulevez seulement de la structure principale de l équipement NOTICE AVIS If this product has been exposed to low temperatures allow adequate time for it ...

Page 12: ...ss the back down button or use manual handle for 421 models Attach the upholstery flap to the foot cushion Align the screws on the foot cushion with the slotted holes in the foot section slide the cushion in place and tighten the screws from underneath 7 Attach the flap on the top of the foot cushion to the Velcro on the seat cushion 8 Align the seat cushion with the seat section of the chair and ...

Page 13: ...tional on the 421 Chair 3 Tilt Buttons Pedal 424 Only Decreases or increases the angle of the seat by pressing the desired direction 4 Lift Buttons Pedal Raises or lowers the chair top by pressing the desired direction 5 Program Buttons Moves the chair to a user programmed position 6 Enter Button Press this button followed by a program button to save the current position of the chair as a programm...

Page 14: ...Headrests B C A B A C A B C B B A 1 To install the headrest A To loosen turn the knob on the back of the chair counterclockwise B Insert the headrest through the slot in the top of the backrest C To secure turn the knob clockwise 2 To adjust the height of the headrest A To loosen turn the knob on the back of the chair counterclockwise B Adjust the height of the headrest C To secure turn the knob c...

Page 15: ...any other command button is pressed the swivel lock immediately engages Method 2 Press and hold mode is a swivel mode where the swivel will unlock as long as you hold down the swivel button on the control Once you release the swivel button the swivel lock will engage 1 Press and hold swivel button on the control for longer than two seconds 2 Swivel enters swivel mode until swivel button is release...

Page 16: ...ight LED Exam Chair Back Mounted Provides lighting during patient procedures Cannot be used with Paper Roll Holder Light LED Exam Post Mounted Provides lighting during patient procedures Requires a 1 Post Accessory Mayo Tray 1 Post Mounted Provides a 1 post with a tray for the placement of small instruments Mounts on patient s left hand side only Mayo Tray 1 Post Mounted with Light mount Provides ...

Page 17: ...contact with sharp or pointed objects Do not place hard surface objects on the upholstery surfaces as temporary indentations or impressions in the upholstery cover will result Prolonged contact with a hard or irregular shaped object may make the impression semi permanent Éviter le contact avec des objets pointus ou tranchants Ne placez pas d objets de surfaces dures sur les surfaces de capitonnage...

Page 18: ...els or wipes to avoid the possibility of overspray Once the approved contact time has been obtained remove and dry excess liquid remaining on the surface See MTI Cleaning Solution Recommendation Letter for more details on disinfecting solutions which have been tested on MTI s products It is available for download at http www mti net downloads aspx in the Product Support Bulletins folder found unde...

Page 19: ...air the defective part at MTI s factory or authorized repair facility Except as it may otherwise specifically agree in writing MTI shall not be liable for transportation or labor charges for repairs or adjustments or other work done on any of its products by MTI s authorized dealers or service organizations Customer shall notify MTI of any alleged claim or defect within fourteen 14 days from the d...

Page 20: ...ment Instructions on page 14 6 Chair will not function or a function is erratic Controls are not securely connected Verify each control is securely connected to the chair 7 Chair will not function or a function is erratic Circuit board isn t functioning correctly Contact Customer Service 8 Lift function is slower than usual and only goes up about halfway One of the lifting column motors is not fun...

Page 21: ...h models 21 53 3 cm to 37 94 0 cm Back Section Range 0 horizontal to 82 5 Table Top Tilt Range 424 0 to 15 General Dimensions with headrest retracted 26 66 cm wide x 72 5 184 2 cm long Power Cord Plugs U S A standard 3 prong and IEC 60320 C13 Electrical Ratings 115 VAC 10 4 amps 60 HZ 230 VAC 10 2 amps 50 HZ Fuse Replacement PC Board 32 V 20 A Fast Acting 6 3 mm x 32 mm At power cord inlet 250 V 4...

Page 22: ...18 User Manual MTI 424 423 421 NOTES ...

Page 23: ...THIS PAGE IS INTENTIONALLY BLANK ...

Page 24: ... Ninigret Drive Salt Lake City Utah 84104 6572 800 924 4655 801 875 4999 Fax 801 952 0548 www mti net MTI Inc All rights reserved MTI reserves the right to make any product changes without notice Strength in patient care ...

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