Wheel Locks; W.hub Lock Installation - Sunrise Medical Zippie IRIS Manual De Instrucciones Y Garantía Para El Usuario

I X . S e t - U p & A d j u s t m e n t
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 (J).
b. Loosen and remove both bottom roller nuts (K) and both chassis fastener nuts (L).
c. Slide the inner carriage plate (M) off the fasteners, towards the center of the chair.
d. Loosen and remove both eccentric cam nuts (N).
e. Remove old top rollers (O) from the eccentric cam bolts (P) and replace with new top
rollers.
f. Reinstall the eccentric cam bolts (P) onto the inner carriage plate (M), installing nuts
(N) only finger tight.
g. Reinstall the carriage plate (M) onto the frame assembly (Q). Replace and tighten the
nuts (K, L).
h. Ensure that the plunger pin is centered and engaged into a rocker hole and tighten
plunger pin bracket nuts (J).
i. Adjust the top roller assemblies per number 3: Top Roller Adjustment.
j. Repeat on the other side of chair as necessary.
NOTE– Use a torque setting of 120 in.-lbs. when setting up top roller.
5. Bottom Roller Replacement
NOTE– It is highly recommended to replace both bottom rollers within each carriage assembly at the
same time. Do not use lubricants anywhere on the assembly.
a. Loosen both plunger pin bracket nuts (J).
b. Loosen both eccentric cam nuts (N).
c. Loosen and remove both bottom roller nuts (K) and both chassis fastener nuts (L).
d. Slide the inner carriage plate (M) off the fasteners, towards the center of the chair.
e. Remove old bottom rollers (R) from the roller bushings (S) and replace with new bot-
tom rollers.
f. Reinstall the carriage plate (M) onto the frame assembly (Q). Replace and tighten the
nuts (K, L).
g. Ensure that the plunger pin is centered and engaged into a rocker hole and tighten
plunger pin bracket nuts (J).
h. Adjust the top roller assemblies per number 3: Top Roller Adjustment.
i. Repeat on the other side of chair as necessary.
NOTE– Use a torque setting of 180 in.-lbs. when tightening bottom roller nuts (K).
V. WHEEL LOCKS
Zippie IRIS wheelchairs are standard with wheel locks. Wheel locks are installed at Sunrise.
Adjustment
a. Loosen the screws (F). Do not attempt to remove one screw at a time.
b. Slide assembly toward rear wheel until clamp embeds into tire to prevent wheel
movement, when in locked position.
c. Tighten screws.
W. HUB LOCK INSTALLATION
1. Remove wheel and axle from chair.
2. Remove 1/4" x 2" long bolts from axle plate (item 20). Note position and orientation
of the axle plate.
3. Remove 3/4" Nut (item 17) and washer (item 18) from axle sleeve (item 19).
4. Place Hub Lock Axle Plate Adapter (item 14) against axle plate and attach axle plate
and adapter to frame using bolts supplied (item 13 or 13A). If anti-tips are to be
installed, the bolts will be 1/4" x 2-3/4" long. If no anti-tips are used the bolts will
be 1/4" x 2-1/4" long. Secure new bolts using washers along with new 1/4" lock nuts
as shown.
5. Thread axle sleeve further into axle plate such that when the 3/4" nut is tightened,
the face of the axle sleeve protrudes out of the 3/4" Nut by approximately 1/32".
Tighten 3/4" Nut.
6. Discard the large inner diameter spacer and 1/4" x 3" bolt provided with the Lower
Hub Lock Assembly (item 11). Place nose of Hub Lock Axle Spacer into hole in Lower
E n g l i s h
P
O
J
Q
N
N
K
M
L
N
N
J
S
Q
R
M
K
L
F
4
21 10
17
18
11
13
13a
14
19
20
Hub Lock Installation
29
101510 Rev. A