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This Procedure Includes the Following:
Installing/Replacing Six or Eight-inch Front
Casters and Forks
Replacing/Repairing Front Caster Tire/Tube
Front Caster Mounting Adjustments
WARNING
After making adjustments, always make sure
that parts are properly tightened BEFORE us-
ing the wheelchair.
NOTE: Refer to Procedure 1 - General Guidelines
which include GENERAL WARNINGS for the 9000SL,
9000XT, 9000XDT, and 9000XT RECLINER.
INSTALLING/REPLACING SIX OR EIGHT-INCH
FRONT CASTERS AND FORKS (FIGURE 1)
WARNING
If converting from six-inch caster to an eight-
inch caster or vice versa, there are SEAT-TO-
FLOOR height adjustments that must be made.
Therefore, this procedure MUST be performed
by an authorized Invacare dealer or qualified
technician.
NOTE: This procedure can be performed if re-
placing the exact same size front caster.
1. Remove the dust cover.
2. Remove the locknut that secures the fork to the
caster headtube.
3. Drop the front caster and fork out of the caster
headtube.
NOTE: 9000XDT ONLY - Make sure to reinstall
the 2-inch extension spacer. See DETAIL "A".
4. Slide in the new six/eight-inch front caster and
fork.
5. Reassemble by reversing
STEPS 1
-
3
.
6. Repeat
STEPS 1-5
for the opposite front caster.
7. To properly tighten caster journal system and
guard against flutter, perform the following check:
a. Tip back of wheelchair to floor.
b. Pivot both forks and casters to top of their arc
simultaneously.
c. Let casters drop to bottom of arc (wheels
should swing once to one-side, then immedi-
ately rest in a straight downward position).
d. Adjust locknuts according to freedom of caster
swing.
PROCEDURE 8
FRONT CASTERS
F
R
O
N
T
C
A
S
T
E
R
S
8. Test wheelchair for maneuverability.
9. Readjust locknuts if necessary, and repeat
STEPS
7
-
8
until correct.
10. Snap dust cover over the locknut and stem.
FRONT CASTER MOUNTING ADJUSTMENTS
WARNING
Front caster mounting adjustments MUST be per-
formed by an authorized Invacare dealer or quali-
fied technician.
REPLACING/REPAIRING FRONT CASTER
TIRE/TUBE
WARNING
Replacement of front caster tire or tube MUST be
performed by an authorized Invacare dealer or quali-
fied technician.
CAUTION
As with any vehicle, the wheels and tires should be
checked periodically for cracks and wear, and
should be replaced when necessary.
FIGURE 1
-
INSTALLING/REPLACING SIX OR
EIGHT-INCH FRONT CASTERS AND FORKS
Fork Stem
Locknut
Dust Cover
Front Caster
and Fork
Caster Headtube
2-inch
Extension
Spacer
DETAIL "A"
Summary of Contents for 9000 SL
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