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3121 SYNCHRO TILT MANAGERS CHAIR

OPERATING INSTRUCTIONS 

FEATURE

 

• 

 

PNEUMATIC SEAT HEIGHT

 

ADJUSTMENT

To raise seat remove pressure from seat and lift lever (1).  
To lower seat height sit on chair and lift lever (1). 

• 

 

SYNCHRO TILT

To recline backrest pull lever (2) out, to lock return backrest 
to upright position and push lever (2) in.

• 

 

TILT TENSION

 

ADJUSTMENT

For individual comfort, this chair has been equipped with 
an adjustment that will allow the user to change the tension 
of the tilting feature.  Turn knob (4) clockwise to increase 
tension and counter-clockwise to decrease or ease the 
tension.   

NOTE:

   

Be careful not to loosen back tilt adjustment knob 

completely.  

 • ARM HEIGHT & WIDTH ADJUSTMENT

 

To adjust arm height, push button (5) in to allow the arms 
to move up or down freely. Release the button (5) once 
the desired height is reached. To adjust width loosen Arm 
Width Adjustment Knob (3) under seat, slide arm to desired 
position then tighten knob.

5

1

3

2

4

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.  Do not overturn back tilt knob when decreasing tension.
5.  Dispose of packing material properly.  Do not use plastic 

cover as head covering.  It may cause suffocation.

6.  Do not use chair as a stepladder.
7.  Use this chair for its intended purpose only.
8.  Use mild detergent only for cleaning.

WARRANTy

Office Star chairs are warranted from the date of purchase against failure due to material and workmanship as follows:

• 15 Years on all non-moving metal parts.
• 2 Years on component parts including Control mechanisms, pneumatic cylinders, wood, plastic parts, base and casters.
• 3 Year on upholstery fabric and foam against wear and deterioration.

To make a warranty claim, contact Parts Department. Provide model number and description of the problem and obtain return 
authorization. At it’s option Office Star Products 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 Office Star Products.

*All warranties are limited to the original purchaser for normal Residential usage 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 Office Star 
Products. 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.
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 us via e-mail 

[email protected],

 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.

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