J3 Carbon Back 127048
13
Rev.C
ADJUSTMENT
ENGLISH
ADJUSTING J3 HEIGHT, DEPTH AND ANGLE
The first phase of the J3 Carbon Back hardware installation
is complete.
It is now the appropriate time to have the user seated
back in the chair for personalizing the J3 Carbon Back. Do
not have the user apply full pressure on the back as it is
not fully tightened to the full torque requirements.
1. Height Adjustment (Fig. 14).
a. With the user in the chair, identify the desired height of
the back. Once identified, have the user remove
pressure from the J3 Carbon Back by leaning or sliding
partially forward if possible to allow the adjustment to
take place.
b. Loosen the bracket nuts (C) and adjust the height of the
back shell to required position.
c. Securely tighten the bracket nuts (C). The recommended
torque specification is 75-85 in-lbs.
(8.5 9.3 Nm).
NOTE:
After height adjustment is complete, check that the
width was not inadvertently changed.
2. Depth/Angle Adjustment (Figs. 11, 12, 13 & 14).
Please note there are two types of hardware that can be
ordered– stationary hardware (Fig. 15) or quick release
hardware (Fig. 16). Both sets of hardware are adjusted
the same, but the stationary hardware allows for 1.6 inches
(4 cm) of depth adjustment (Fig. 15) while the quick release
hardware (removable hardware) allows for a total of 1.1
inches (2.9 cm) of depth adjustability (Fig. 16).
a. To adjust J3 Carbon Back depth and angle loosen left
and right screws(B)-(Fig. 16) on bracket slots.
b. Adjust depth and/or angle and securely tighten.
The recommended torque specification is 100 -110
in-lbs. (11.3-12.4 Nm). Ensure that none of the depth
adjustment screws (Fig 16), (B), will slip or rotate.
NOTE:
Prior to replacing the screws the application of a
suitable medium strength threadlocker e.g. loctite 243 is
strongly recommended to the receiver and screw threads, if
the back is to be repositioned.
Recommended torque specifications:
Screws (A) & (B): 11.3 – 12.4 Nm
Nuts (C): 8.5 – 9.3 Nm
WARNING!
Ensure that all hardware has been properly tightened once
all adjustments have been completed and the J3 Carbon
Back is ready for use.
Fig. 15
Fig. 14
C
Fig. 16
B
A
C
Summary of Contents for J3 Carbon
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