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34 www.pridemobility.com Litestream XF
V. CARE AND MAINTENANCE
WARNING! A Quantum Rehab Provider
should adjust the wheel lock with the
occupant in the wheelchair on the
maximum incline to ensure that the
wheel lock catches properly.
To adjust each scissor-style wheel lock:
1. Disengage the wheel lock. The front of the wheel
lock extrusion that faces the caster wheels should
be exactly 2.1 in. (5.3 cm) from where the wheel
lock blade makes contact with the plane of the
drive wheel. See figure 46. This applies to both
solid and pneumatic tires.
2. Loosen the hardware that fastens the wheel lock to
the frame. See figure 46.
3. Reposition the wheel lock so that the front of the
wheel lock extrusion that faces the caster wheels
is exactly 2.1 in. (5.3 cm) from where the wheel
lock blade makes contact with the plane of the
drive wheel. This applies to both solid and
pneumatic tires.
4. Tighten the hardware that fastens the wheel lock
to the frame.
5. Repeat the procedure for the other side.
Seat Tension
After a period of use, you may find it necessary to
adjust the seat tension.
To adjust the seat tension:
1. Loosen the screws that attach the seat to the side
rail on the left side (side with hook and loop
fastener). See figure 47.
2. Unfasten the hook and loop fastener.
3. Grab the bottom flap and pull the seat tight.
4. Fasten the hook and loop fastener.
5. Tighten the screws.
When to See Your Quantum Rehab Provider
for Service
The following symptoms could indicate a serious prob-
lem with your wheelchair. If necessary, contact your
Quantum Rehab Provider. When calling, have the model
number, serial number, and nature of the problem.
Uneven wear on any of the tires
Bent or broken wheel assemblies
Loose or missing hardware that attaches the transit
securement brackets or positioning belt anchors to
the wheelchair.
Figure 47. Seat Tension Adjustment
PULL TO TIGHTEN
Figure 46. Scissor-style Wheel Lock Adjustment