Troubleshooting/Maintenance - Invacare 9000 Series Service Manual

TROUBLESHOOTING/MAINTENANCE

T
CHAIR CHAIR
R
VEERS VEERS
O
RIGHT LEFT
U
B X X
L
E
S
H
X X
O
O
T
I
N
G
MAINTENANCE SAFETY
PRECAUTIONS
After making adjustments, always make sure
that parts are properly tightened BEFORE us-
ing the wheelchair.
M
A
I
DO NOT overtighten hardware attaching to the
N
frame. This could cause damage to the frame
T
tubing.
E
N
SUGGESTED MAINTENANCE
A
PROCEDURES
N
C
1. Before using your wheelchair, make sure all nuts
E
and bolts are tight. Check all parts for damage
or wear and replace. Check all parts for proper
adjustment.
2. 9000 SL / 9000 XT ONLY - Keep quick-release
axles free of dirt and lint to ensure positive lock-
ing and proper operation. Refer to ADJUSTING
THE QUICK-RELEASE AXLE in PROCEDURE
7 of the owner's manual, part number 1056953.
3. Oil quick-release axles at least once (1) a month
®
(3-in-1 oil or equivalent).
3-in-1 oil - Registered trademark of American
Home Products Corporation.
TROUBLESHOOTING
SLUGGISH CASTERS
TURN OR FLUTTERS
PERFORMANCE
X X
X X
X
MAINTENANCE
WARNING
CAUTION
SQUEAKS LOOSENESS
AND IN CHAIR
RATTLES
X X
DO NOT use the wheelchair unless it has the
proper tire pressure (p.s.i.). DO NOT over in-
flate the tires. Failure to follow these sugges-
tions may cause the tire to explode and cause
bodily harm. The recommended tire pressure
is listed on the side wall of the tire.
4. If tires are pneumatic, recommended tire pres-
sure is listed on the side wall of the tire.
5. The wheels and tires should be checked peri-
odically for cracks and wear, and should be re-
placed when necessary by your authorized
dealer or by a qualified technician.
6. Periodically check handrims to ensure they are
securely attached to the rear wheels. Refer to
REPLACING REAR WHEEL HANDRIM in
PROCEDURE 7 of the owner's manual, part
number 1056953.
7. Periodically adjust wheel locks in correlation to
tire wear. Refer to WHEEL LOCK ADJUST-
MENT in PROCEDURE 9 of the owner's manual,
part number 1056953.
8. Periodically check front caster and rear wheel
hubs to make sure they are clean.
9. Check Upholstery for sagging, rips or tears.
8
CHAIR SOLUTIONS
3 WHEELS
X If pneumatic, check tires
for correct and equal
pressure.
Check for loose stem
nuts and bolts.
Check that both casters
contact the ground at
the same time.
WARNING