MK-100151 Rev. A
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2. Backshell Height Adjustment
The backshell has additional height adjustment with it’s mounting bracket.
a.
Remove the backrest cover.
b.
Using a 10mm open end wrench, remove the 4 nuts(A) that hold the backshell to the Mono back
bracket.
c.
Remove the 2 nutplates, and reposition them in available holes(B) up or down on the backshell.
d.
Thread the nuts from the rear of your chair, and tighten them to finish the adjustment.
3. Backshell Angle Adjustment
The backshell has +/- 4° of angle adjustment with it’s mounting bracket.
a.
Using a 5/32” hex key, loosen the 2 button head screws(C)
b.
Using a 5/32” hex key loosen the 2 button head pivot screws(D).
c.
You can now tilt the backshell forward or rearward.
d.
Tighten the screws to finish the adjustment.
4. Tilt Adjustment with the Mono back post and J bracket
The Mono back has additional angle/tilt adjustment through the J bracket.
a.
Using a 3/16 hex key/socket wrench loosen the 2 outside J bracket screws(E)
b.
Using a 5/16” hex key, rotate the Larger J bracket socket screw clockwise for Recline, and counter-
clockwise for the upright position.
c.
Set the adjustment using the 3/16” hex key to tighten the 2 outside screws(E) to 60 in-lb.
5. Lateral Backrest Adjustment with the Mono back post and J bracket
The Mono back adds additional lateral adjustment using the J bracket.
a.
Using a 3/16 hex key/socket wrench loosen the 2 outside J bracket screws(E)
b.
Grasp the backshell and J bracket from behind and move the assembly left or right to the desired area
of support.
c.
Set the adjustment using the 3/16” hex key to tighten the 2 outside screws(E) to 60 in-lb.
R. DYNAMIC MONO BACK
If you have a chair with a Dynamic back function, you can utilize the elastomer inserts by releasing the locking
lever.
IMPORTANT NOTE– DO NOT convert to a dynamic back with the rider in the chair.
a.
BEFORE locking, or releasing the lockouts (G) make sure there is no pressure on the back support
from the rider. Transfer the user to a safe location while this task is performed.
b.
The Dynamic function can be used by pulling on the lockout lever(H) and rotating the lockout bracket
( I ) down and out of the way.
c.
Repeat the step above for the other side of the lockout system, so that both lockouts are released.
d.
To lockout the dynamic back for a more rigid support, rotate the lockout bracket ( I ) up while pulling
out on the lockout lever (H).
e.
Make sure that it “Clicks” into place for a positive lockout.
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IX. DEALER SERVICE & ADJUSTMENT
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