Bearings - Ki Mobility FOCUS CR Manual De Instrucciones

V. SET UP & USE OF YOUR WHEELCHAIR
X. Bearings
1. Bearing Replacement (it is recommended this
procedure be performed by a qualified technician)
a. Using a 17mm wrench and a 6mm Allen wrench,
loosen and remove all four bearing locknuts (Fig.
50:A).
b. Remove flat head screws (Fig. 50:B and C) from
bearing subassemblies.
c. Remove all bearing assembly components from
chair.
d. Using new bearing/liners (Fig. 50:D), slide bearing
shaft (Fig. 50:E) through one bearing/liner subas-
sembly as shown.
e. Place shaft with bearing/liner through slot in
rotary frame from the outside and slide spacer
(Fig. 50:F) and second bearing/liner over shaft.
"Noses" of bearing liners should face each other.
f. Align bearing shaft hole with hole in front bearing plate of base frame (Fig. 50:G) and slide
10mm x 50mm (Fig. 50:B) flat head screw through shaft.
g. Install washers (Fig. 50:H) and locknut (Fig. 50:A) back onto flat head screw, finger tight.
h. Repeat steps d through g for opposite side of chair.
i. Install bearing shaft through bores of two more bearings with spacer (Fig. 50:F) in between,
as in step e above.
j. Slide onto 10mm x 60mm (Fig. 50:C) flat head screw through rear bearing plate holes (Fig.
50:I) as shown. Repeat on opposite side of chair.
k. Set rotary frame on both sets of bearings, placing ridge in bottom of rotary frame into
groove between bearing liners. Install swivel bushing (Fig. 50:J) with flange toward bearing
and slide swivel plate (Fig. 50:K) over swivel bushing with retainer bearing nested in inside
groove of rotary frame. Secure with washer (Fig. 50:E) and lock nut (Fig. 50:A). Repeat for
opposite side of chair.
E
B
C
G
Fig. 50
44
D
I
D
J
F
D
H
A
E
F
K H
A