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E N G L I S H
6. Axle Position Adjustment
a. Remove both wheels from the chair.
b. Remove the bolts (G) from the axle plate (H) on both sides of the chair.
c. Reposition the axle plate in desired position.
d. Insert and tighten bolts (G).
IMPORTANT NOTE– The adjustment on each side of the chair should be exactly equal.
IMPORTANT NOTE– Do not attempt to make this adjustment. This adjustment must be done by an
authorized supplier only.
NOTE– Use a torque setting of 120 in.-lbs. When setting-up the axle plate.
7. Axle Height Adjustment
a. Loosen and remove bolts (G).
b. Set axle at desired height using pre-set holes in the axle plate (H) on both sides.
c. Replace and tighten bolts.
IMPORTANT NOTE– The adjustment on each side of the chair should be exactly equal.
IMPORTANT NOTE– Do not attempt to make this adjustment. This adjustment must be done by an
authorized supplier only.
NOTE– Use a torque setting of 120 in.-lbs. When setting-up the axle plate.
NOTE– The frame must be kept horizontal when height adjustments are made. Refer to matrix in the order-
ing guide for proper setting.
T. CARRIAGE
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The carriage of the IRIS can be adjusted to a preset the range of tilt.
IMPORTANT NOTE– Do not attempt to make this adjustment. This adjustment must be done by an
authorized supplier only.
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1. Adjustment
a. Loosen and remove bolts A & B.
b. Set the carriage at desired range setting using the proper holes. (See #2 and #3
below.)
c. Replace and tighten all bolts.
IMPORTANT NOTE– The adjustment on each side of the chair should be exactly equal.
NOTE– Use a torque setting of 120 in.-lbs. When setting-up carriage.
2. Range and setting– 55°
a. -5° to 50°– use holes C & F
b. 0° to 55°– use holes C & E
c. 5° to 60°– use holes D & E
3. Range and setting– 40°
a. -5° to 35°– use holes C & F
b. 0° to 40°– use holes C & E
c. 5° to 45°– use holes D & E
4. Top Roller Replacement
NOTE– It is highly recommended to replace both top rollers within each carriage assembly at the same time.
Do not use lubricants anywhere on the assembly.
a. Loosen both plunger pin bracket nuts.
b. Loosen and remove both lower roller nuts (K), chassis fastener nut (L), and base strut
bolts (M) on both sides. Remove base strut.
c. Slide the inner carriage plate (N) off the fasteners, towards the center of the chair.
d. Loosen and remove both button head roller screws (O).
e. Remove old top rollers (P) from the upper roller shafts (Q) and replace with new top
rollers.
f. Reinstall the upper roller shafts (Q) onto the inner carriage plate (N), installing button
head screws (O).
g. Reinstall the carriage plate (N) onto the frame assembly. Replace and tighten the nuts (K, L)
and strut bolts (M).
h. Ensure that the plunger pin is centered and engaged into a rocker hole and tighten
plunger pin bracket nuts.
i. Repeat on the other side of chair as necessary.
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40
40
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IX. SET-UP & ADJUSTMENT
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H
G
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A
B
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C
E
F
D
O
K
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N
L
P
Q
R
M
113373 Rev. C
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