Invacare 9000 XDT - Manual (Page 2)

2
CAUTION
As with any vehicle, the wheels and tires should be
checked periodically for cracks and wear, and
should be replaced.
REINSTALLING FRONT CASTERS
(FIGURE 4)
NOTE: Refer to the INSTALLATION WARNING in the
SAFETY SUMMARY section of this instruction sheet.
WARNINGS
Replacement of front caster tire or tube MUST be
performed by an authorized Invacare dealer or
qualified technician.
Make sure both front casters are positioned in the
same mounting hole BEFORE using the wheelchair
- otherwise, injury or damage may occur.
WHEELCHAIRS BUILT BEFORE 10/97
TOP Flanged
Bearing
Caster
Headtube
Opening
FIGURE 2 - DISASSEMBLING THE EXISTING
CASTER HEADTUBE ASSEMBLY
Caster
Headtube
TOP Flanged
Bearing
WHEELCHAIRS BUILT AFTER 10/97
Opening
Assembly Housing
ASSEMBLING THE TALL FORK/
STEM ASSEMBLY (FIGURE 3)
NOTE: Refer to the INSTALLATION WARNING in the
SAFETY SUMMARY section of this instruction sheet.
1. Using a rubber mallet, gently tap the NEW flanged
bearing into the TOP of the caster headtube.
2. Using a rubber mallet, gently tap the NEW sleeve bot-
tom with bearing into the BOTTOM of caster headtube.
3. Insert the NEW tall fork/stem assembly through the
bearings in the caster headtube.
4. Secure with the NEW locknut.
5. Repeat STEPS 1-4 for the opposite fork/stem
assembly.
NOTE: DO NOT install the NEW dust covers at this time,
as adjustments to the locknuts may be required later.
6. Install the casters onto the NEW tall fork/stem assem-
blies. Refer to REINSTALLING FRONT CASTERS
in this instruction sheet.
NEW Locknut
NEW Dust Cover
Caster Headtube
NEW Sleeve
Bottom With Bearing
NEW Tall Fork/Stem Assembly
FIGURE 3 - REASSEMBLING THE TALL FORK/
STEM ASSEMBLY
NEW Flanged Bearing
BOTTOM Flanged
Bearing
1. Position the front caster on the fork to the determined
mounting hole. Refer to CHANGING SEAT-TO-FLOOR
HEIGHT in 9000 Series Service Manual Part No.
1076155 to determine the proper front caster mounting
holes for caster size and seat-to-floor height.
2. Install the existing washers, hex screw and locknut.
Tighten securely.
3. Repeat STEPS 1-2 for the opposite front caster.
4. Reposition the rear wheels. Refer to REPOSITION-
ING THE REAR WHEELS in this instruction sheet.