M-TI 322 Manual

Instruction Guide | 322/323/324
U.S. & Canada [phone] |International [phone] |www.mti.net
WARNING/AVERTISSEMENT
Read this manual before installation and use.
Lisez ce manuel avant l’installation et l’utilisation.
Required Tools (324 Model Only)
5/32” Allen
Wrench
Optional Tools (324 Model Only)
Phillips
Screwdriver
Awl or sharp instrument
3/16” Allen
Wrench
This manual is for the following part numbers:
PART NUMBER DESCRIPTION
322-XX-XXX Stool, Pneumatic Hand Operated, Chrome Base w/o Backrest
323-XX-XXX Stool, Pneumatic Hand Operated, Chrome Base w/ Ergo Backrest
324-XX-XXX Stool, Pneumatic Hand Operated, Chrome Base w/ Body Support
REVISION HISTORY TABLE
DAT E REVISION CO#/ECO# DETAILS
12/22/2015 A CO-0066 Initial release

2 Instruction Guide | 322/323/324
INSTALLATION
Backrest Installation
(Model 323)
Accessories Gas spring Installation Body Support Installation
(Model 324)
OR
1. Insert the backrest into the
bracket on the underside of
the seat. Place 1 lock washer
between 2 standard washers
on the knob and tighten
into place.
If applicable, see accessory
instructions for foot ring and
foot extension accessories
before completing step 2.
2. Install the larger end of
the gas spring into the base
of the stool. Place the seat
of the stool on top of the
gas spring. Sit on the stool
to secure the pieces.
3. Attach the body support
tube to the bracket on the
underside of the seat with
(2) 1-1/2” flat head screws
using a 5/32” Allen wrench.
Insert the rod of the ratchet
assembly into the body
support tube with the flat
side towards the knob and
tighten it into place.
Moving Body Support to Left Hand Side
12
3
1. Remove the three bolts
that secure the body
support ratchet to the body
support cushion using a
3/16” Allen wrench.
2. Feel for 3 holes hidden
under upholstery on the
opposite side of the body
support cushion. Pierce
3 holes through the
upholstery using a sharp
instrument.
3. Remove the top plate of
the ratchet assembly, held
with two screws, using a
phillips screwdriver. Remove
the black plastic washer. (It
may stick to the bottom of
the top plate).
4. Flip the ratchet lever over
and place it over the pin
and verify the end of the
spring is in the hole of the
ratchet lever.
5. Place the black plastic
washer over the pin and on
top of the ratchet lever and
reassemble the lid.
6. Reattach the body
support ratchet using the
3/16” Allen wrench.

Instruction Guide | 322/323/324 3
SPECIFICATIONS
DESCRIPTION SPECIFICATION
Load Capacity 322: 300 lbs (136.1 kg) • 323: 300 lbs (136.1 kg) • 324: 275 lbs (127.4 kg)
Height of Stool 322/323: 18.25” to 24.5” (463.6 mm to 622.3 mm )
324: 19” to 25.25” (482.6 mm to 641.4 mm)
Weight of Stool 322: 15 lbs (6.8 kg) • 323: 20 lbs (9.1 kg) • 324: 26 lbs (11.8 kg)
Shipping Weight of Stool 322: 18 lbs (8.2 kg) • 323: 23 lbs (10.4 kg) • 324: 32 lbs (14.5 kg)
Shipping Size of Stool 322: 23” x 23” x 11” (585 mm x 585 mm x 280 mm)
323: 23” x 23” x 13” (585 mm x 585 mm x 331 mm)
324: 25” x 25” x 25” (635 mm x 635 mm x 635 mm)
OPERATION
1. To raise the height of the
stool, lift up on the lever
below the seat with no
weight on the seat.
2. To lower the height of
the stool, lift up on the
lever below the seat while
placing weight on the seat.
3a. The body support will
swivel towards the stool by
pulling on the support.
3b. To move the support
away from the stool, press
the lever on the underside
of the support towards the
stool and move the support
away.
4. To adjust the height of
the body support, loosen
the knob on the side of the
body support, adjust the
height, and tighten the knob.
6. To adjust the position of
the back, loosen the knob
under the seat, slide the
back in or out, and tighten
the knob.

4 Instruction Guide | 322/323/324
PART NUMBER QTY DESCRIPTION
032099 4PHP SCREW, 1/4-20 x 5/8 ZINC
033001A 4 HEX HEAD BOLT, 1/4-20 x 3/4 ZINC
037003 1FLUTED KNOB, 3/8-16 X 1, 2-1/2 DIA BLACK
045032 2 SAE WASHER, 3/8 ZINC
045148 8LOCK WASHER, 1/4, ZINC
045150 1LOCK WASHER, 3/8, ZINC
056001 5CASTER, 2" HARD PLASTIC DUAL WHEEL BLACK
063001 1BASE, 5 CASTER CHROME 50 MM
063007 1RELEASE MECHANISM KIT, HAND OPERATED
1009004 1MTG PLATE WLD, STOOL SEAT, SG/EG
1009009-XX-XXX 1ROUND SEAT ASSY, 16.5" DIA
130-0336 1GAS SPRING, HAND OPERATED STOOL CYLINDER, 6.38"
1009009-XX-XXX
130-0336
063001
056001 5X
032099 4X
063007
033001A
4X
045148 4X
1009004
045148 4X
037003
045032
045150
045032
THE XX OF DRAWING/PART NUMBER REFERS TO CONSTRUCTION CODE.
THE XXX OF DRAWING/PART NUMBER REFERS TO COLOR CODE.
CONTACT MTI FOR SPECIFIC COLOR AND CONSTRUCTION CODES.
-XX-XXX PNEUMATIC HAND OPERATED CHROME BASE STOOL W/O BACKREST
EXPLODED VIEWS

Instruction Guide | 322/323/324 5
PART NUMBER QTY DESCRIPTION
032099 4PHP SCREW, 1/4-20 x 5/8 ZINC
033001A 4 HEX HEAD BOLT, 1/4-20 x 3/4 ZINC
037003 1FLUTED KNOB, 3/8-16 X 1, 2-1/2 DIA BLACK
045032 2 SAE WASHER, 3/8 ZINC
045148 8LOCK WASHER, 1/4, ZINC
045150 1LOCK WASHER, 3/8, ZINC
056001 5CASTER, 2" HARD PLASTIC DUAL WHEEL BLACK
063001 1BASE, 5 CASTER CHROME 50 MM
063007 1RELEASE MECHANISM KIT, HAND OPERATED
1009004 1MTG PLATE WLD, STOOL SEAT, SG/EG
1009009-XX-XXX 1ROUND SEAT ASSY, 16.5" DIA
1009191-XX-XXX 1ERGO BACK ASSY
130-0336 1GAS SPRING, HAND OPERATED STOOL CYLINDER, 6.38"
1009009-XX-XXX
1009191-XX-XXX
130-0336
063001
056001 5X
032099 4X
063007
033001A 4X
045148 4X
1009004
045148 4X
037003
045032
045150
045032
THE XX OF DRAWING/PART NUMBER REFERS TO CONSTRUCTION CODE.
THE XXX OF DRAWING/PART NUMBER REFERS TO COLOR CODE.
CONTACT MTI FOR SPECIFIC COLOR AND CONSTRUCTION CODES.
-XX-XXX PNEUMATIC HAND OPERATED CHROME BASE STOOL W/ ERGO BACKREST

6 Instruction Guide | 322/323/324
PART
NUMBER QTYDESCRIPTION
029201 2FHC SCREW, 1/4-20 X 1-1/2, BLACK
032099 4 PHP SCREW, 1/4-20 x 5/8 ZINC
033001A 8HEX HEAD BOLT, 1/4-20 x 3/4 ZINC
040039 4NYLON INSERT HEX NUT, 1/4-20 GR2 ZINC
045148 12 LOCK WASHER, 1/4, ZINC
045171 8FENDER WASHER, 1/4 x 1 ZINC
056001 5CASTER, 2" HARD PLASTIC DUAL WHEEL BLACK
063001 1BASE, 5 CASTER CHROME 50 MM
063007 1RELEASE MECHANISM KIT, HAND OPERATED
063013 1SWIVEL, STOOL SEAT 360 DEG TURN 5-1/2 DIA
1001589 1MTG PLATE, CURVED BODY SUPPORT
1009009-XX-XXX 1ROUND SEAT ASSY, 16.5" DIA
SEE PAGE 7 1CURVED BODY SUPPORT ASSY
130-0336 1GAS SPRING, HAND OPERATED STOOL CYLINDER, 6.38"
056001 5X
063001
032099 4X
045148 4X
063007
0292012X
130-0336
SEE PAGE 7
1009009-XX-XXX
045171 8X
033001A 8X
045148 4X
063013
045148 4X
040039 4X
1001589
THE XX OF DRAWING/PART NUMBER REFERS TO CONSTRUCTION CODE.
THE XXX OF DRAWING/PART NUMBER REFERS TO COLOR CODE.
CONTACT MTI FOR SPECIFIC COLOR AND CONSTRUCTION CODES.
-XX-XXX PNEUMATIC HAND OPERATED CHROME BASE STOOL W/ BODY SUPPORT

Instruction Guide | 322/323/324 7
CURVED BODY SUPPORT ASSY
PART NUMBER QTY DESCRIPTION
1009200 1TUBE WLD, BODY SUPPORT
1009198 1BODY SUPPORT RATCHET ASSY
1009225-XX-XXX 1BODY SUPPORT ARM ASSY
1009250 15-LOBE KNOB, 3/8-16 X .75 BLACK
029592A 3SHC SCREW, 1/4-20 x 2-3/4 BLACK
1009225-XX-XXX
1009198
029592A 3X
1009250
1009200
THE XX OF DRAWING/PART NUMBER REFERS TO CONSTRUCTION CODE.
THE XXX OF DRAWING/PART NUMBER REFERS TO COLOR CODE.
CONTACT MTI FOR SPECIFIC COLOR AND CONSTRUCTION CODES.

8 Instruction Guide | 322/323/324
073168 Rev A
3655 W Ninigret Drive, Salt Lake City, Utah, 84104-6572
[phone] • [phone] • Fax [phone]
www.mti.net
© MTI, Inc. All rights reserved.
MTI reserves the right to make any
product changes without notice.
Strength in patient care.™
WARNING/AVERTISSEMENT
No modification of this equipment is allowed.
Aucune modification de cet équipement est autorisé.
WARNING/AVERTISSEMENT
Assure equipment, patient, and other objects are in safe
condition before operating the equipment.
Assurer l’appareil, patient, et d’autre objets sont dans un état
sûr avant d’utiliser l’appareil.
WARNING/AVERTISSEMENT
This product contains chemicals known to the State of
California to cause cancer and/or birth defects or other
reproductive harm. See http://www.mti.net/FAQs.aspx for
details on California Proposition 65.
Ce produit contient des produits chimiques reconnus
par l’État de Californie pour causer le cancer et / ou
des anomalies congénitales ou d’autres problèmes de
reproduction. Voir http://www.mti.net/FAQs.aspx pour plus de
détails sur la California Proposition 65.
Cleaning and Disinfection
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 under the Resources tab on our
website. In the U.S. & Canada, call [phone], or
International, call [phone] to request a copy.
Painted and Plastic Surfaces
All painted metal parts have been electrostatically painted
and the paint is baked on for durability. Weekly, those
surfaces should be wiped down with a quality grade
cleaner and a soft cloth or a damp cloth with mild soap.
Upholstery
Upholstery should be cleaned weekly with a mild liquid
soap and water mixture. Afterwards, wipe upholstery with a
clean damp cloth.
Calls for Service
[phone] | International [phone]
[email protected] | 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.