LIMITED WARRANTY
NBF ® Signature Series chairs are warranted from the date of purchase against failure due to material and
workmanship as follows:
• Lifetime on component parts including Control mechanisms, pneumatic cylinders, wood, plastic parts, base and casters.
• 3 Years on upholstery fabric and foam against wear and deterioration.
To make a warranty claim, contact Parts Department. Provide model number, proof of purchase, description of the problem and
obtain return authorization. At it’s option NBF will:
(a) Supply compatible components of current manufacture.
(b) Repair the customer’s component. The customer must prepay freight on any components returned to the factory. Return
freight on components still in warranty will be paid by NBF.
*All warranties are limited to the original purchaser for normal commercial usage defined as a standard forty hour work week by persons weighing 250 lbs.
or less. This warranty will not cover labor, freight or damage from misuse, abuse, negligence, alteration, accident, vandalism, rusting, acts of nature or any
other event beyond the control of NBF. The warranty does not cover cosmetic damage that may result from normal use. Liability for incidental or consequential
damages is excluded. The user assumes all risk of injury resulting from use of this product. When usage is more than 40 hours per week, a two year warranty
on all parts applies. Fabric and foam is warranted for one year.
This warranty gives you specific legal rights, and you may also have other rights which vary
from state to state.
Our quality standards are among the highest in the industry. Sometimes, no matter how hard we try, there are times when parts
are damaged or missing. Our Parts Department will do everything possible to promptly remedy the problem. Contact our factory
by Fax 1-909-930-5629, or toll free parts number 1-800-950-7262, Monday through Friday 8:00 a.m. - 5:00 p.m. Pacific Time.
DCYMM69006-3M / DCYMM69006-U6 / DC6900MMWH-3M
VERTICAL MESH BACK DRAFTING CHAIR
OPERATING INSTRUCTIONS
WARNING
1. Use this product only one person at a time.
2. Do not use this chair unless all bolts screws and knobs are
securely tightened.
3. Check that all bolts screws and knobs are tight every three
months or as needed.
4. Dispose of packing material properly. Do not use plastic cover
as head covering. It may cause suffocation.
5. Do not use chair as a stepladder.
6. Use this chair for its intended purpose only.
7. Use mild detergent only for cleaning.
DC6900MMWH-3M &
DCYMM69006-U6
(not shown)
FEATURES
• HEIGHT ADJUSTMENT
To raise seat, remove pressure from seat and lift lever (1).
To lower seat height, sit on chair and lift lever (1).
• FOOTRING HEIGHT ADJUSTMENT
Loosen knob (2) on footring to raise or lower the height of
footring.
TIGHTEN KNOB COMPLETELY!
• ARM FLIP UP AND DOWN
To flip arms up, simply pull up on arm. To lower arm, simply pull
down on arm.
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