Midmark 270 Parts Manual
FOR USE BY MIDMARK TRAINED TECHNICIANS ONLY
Model Numbers:
Service and
Parts Manual
SF-1903 Part No. 004-0549-00 Rev. (3/23/17)
270 Series Stools
270
Series
(270 thru 279)
Serial Number Prefix:
V & VAB
FOR USE BY MIDMARK TRAINED TECHNICIANS ONLY
Table Of Contents
GENERAL INFORMATION
Symbols ....................................iii
Ordering Parts ......................... iii
Serial Number Location .......... iii
Specifications ........................... iv
Cleaning .................................... iv
Model Identification ................. v
Warranty Information............... vi
TROUBLESHOOTING
not available
TESTING & REPAIR
not available
ACCESS PROCEDURES
not available
WIRING DIAGRAMS
not available
EXPLODED VIEWS / PARTS LISTS
Bases / Casters / Glides:
Composite Bases .............................
E-2
Aluminum Bases ..............................
E-3
Manual Spindle Mechanism ... E-4
Air Lift Mechanism:
Hand Lever Release ......................
E-5*
Foot Pedal Release........................
E-6*
Upholstered Seat ....................E-7
Backrest Assembly ................. E-8
Torso Band Assembly ............ E-9
Accessories & Packaging .... E-10
Section E
Section B Section ASection C
General Information
Section D
Section E
Rev. 3/23/17
iii
© Midmark Corporation 2006 SF-1874
General Information
MA763100i
Symbols
Caution
Indicates a potentially hazardous situation
which could result in injury if not avoided.
Equipment Alert
Indicates a potentially hazardous situation
which could result in equipment damage if not avoided.
Note
Amplifies a procedure, practice, or condition.
Indicates that the component the check mark appears
beside should be tested before replacing it.
In Section A, test the components in the order indicated.
(ex.
1st
then,
2nd
)
Refer to Section B for component testing procedures.
These symbols are used throughout this manual to represent the
operational status of table functions and components.
Indicates the function / component is working properly.
No action required.
Indicates the function / component is working,
but a problem exists.
Indicates the function / component is not working at all.
Ordering Parts
The following information is required when or dering parts:
• Serial number & model number
• Part number for desired part.
[Refer to Exploded Views / Parts Lists section]
Non-warranty parts orders may be faxed to Midmark using
the Fax Order Form in the back of this manual.
For warranty parts orders, call Midmark's Technical Service
Department with the required information.
Hours: 8:00 am until 5:00 pm EST [Monday - Frida y]
Phone: 1-(800)-Midmark
Model / Serial Number Location
Model / Serial
Number
General Information
Rev 10/8/12
iv
© Midmark Corporation 2006 SF-1874
General Information
Specifications
Weight Rating
(by model)
:
270.....................................................................350 lbs (159 kg)
271.....................................................................225 lbs (102 kg)
272.....................................................................350 lbs (159 kg)
273.....................................................................225 lbs (102 kg)
274.....................................................................350 lbs (159 kg)
275.....................................................................225 lbs (102 kg)
276.....................................................................350 lbs (159 kg)
277.....................................................................225 lbs (102 kg)
278.....................................................................225 lbs (102 kg)
279.....................................................................225 lbs (102 kg)
Seat Height
(adjustable)
:
Minimum...........................................................18 in. (46 cm)
Maximum ..........................................................24.5 in. (62 cm)
Seat Cushion Dimensions:
Diameter...........................................................16 in. (41 cm)
Thickness .........................................................3 in. (7.6 cm)
Backrest Dimensions:
Height x Width ..................................................7 in. x 13 in. (18 cm x 33 cm)
Thickness .........................................................1 in. (2.5 cm)
Cleaning
• Clean upholstery with diluted bleach solution. Ratio: 10:1 (water:bleach)
• Clean the stool as necessary, wiping the painted metal and plastic surfaces with a clean,
soft cloth, and mild cleaner. Periodic applications of common furniture wax will ease
cleaning and maintain the finished luster of the stool.
Rev. 10/8/12
v
© Midmark Corporation 2006 SF-1874
General Information
Model Identification / Compliance Chart
Fire Code Ratings
All standard upholstery complies with: California Bureau of Home Furnishing Technical Bulletin 117
Optional upholstery is available that complies with: California Bureau of Home Furnishing Technical Bulletin 133.
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vi
© Midmark Corporation 2006 SF-1874
General Information
Warranty Information
SCOPE OF WARRANTY
Midmark Corporation (“Midmark”) warrants to the original purchaser its new Alternate Care
products and components (except for components not warranted under “Exclusions”)
manufactured by Midmark to be free from defects in material and workmanship under
normal use and service. Midmark’s obligation under this warranty is limited to the repair or
replacement, at Midmark’s option, of the parts or the products the defects of which are
reported to Midmark within the applicable warranty period and which, upon examination by
Midmark, prove to be defective.
APPLICABLE WARRANTY PERIOD
The applicable warranty period, measured from the date of delivery to the original user, shall
be one (1) year for all warranted products and components.
EXCLUSIONS
This warranty does not cover and Midmark shall not be liable for the following: (1) repairs
and replacements because of misuse, abuse, negligence, alteration, accident, freight
damage, or tampering; (2) products which are not installed, used, and properly cleaned as
required in the Midmark “Installation” and or “Installation / Operation Manual for this appli
cable product. (3) products considered to be of a consumable nature; (4) accessories or
parts not manufactured by Midmark; (5) charges by anyone for adjustments, repairs,
replacement parts, installation, or other work performed upon or in connection with such
products which is not expressly authorized in writing in advance by Midmark.
EXCLUSIVE REMEDY
Midmark’s only obligation under this warranty is the repair or replacement of defective parts.
Midmark shall not be liable for any direct, special, indirect, incidental, exemplary, or
consequential damages or delay, including, but not limited to, damages for loss of profits or
loss of use.
NO AUTHORIZATION
No person or firm is authorized to create for Midmark any other obligation or liability in
connection with the products.
THIS WARRANTY IS MIDMARK’S ONLY WARRANTY AND IS IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED. MIDMARK MAKES NO IMPLIED WARRANTIES
OF ANY KIND INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE. THIS WARRANTY IS LIMITED TO THE REPAIR OR
REPLACEMENT OF DEFECTIVE PARTS.
SF-1487 REV. A1
Additional Information
Failure to follow the guidelines listed below will void the
warranty and/or render the table unsafe for use.
• If a malfunction is detected, do not use the table until
necessary repairs are made.
• Do not attempt to disassemble table, replace
components, or perform adjustments unless you are
a Midmark authorized service technician.
• Do not use another manufacturer's parts to replace
malfunctioning components. Use only Midmark
replacement parts
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