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Adjusting the wheel alignment
Important: To achieve the very best movement, the rear wheels
must be adjusted to their optimum position, which means correctly
adjusting the wheel alignment.
To do this, measure the distance between both wheels front and
rear to ensure that they are parallel to one another. The difference
between both measurements should not exceed 5 mm.
To adjust the wheels to make them parallel, loosen the screws and
turn the axle sleeve accordingly. Make sure that after any adjustment
work, all screws are tightened correctly (see the page on torque).
SIMBA tracking adjustment
Setting the toe-in/toe-out to zero:
NOTE:
A wheelchair with 0° camber cylinders cannot have toe-in
or toe-out. This setting is necessary only with 3°, 6° and 9° camber
cylinders.
The term "toe-in or toe-out" defines how well the rear wheels of the
chair are aligned in relation to the ground. This determines how well
the chair will run. Normal resistance or rolling resistance is present
when toe-in is set to zero.
To set toe-in/toe-out to zero: Loosen the Allen screws (1) (one on
each side), which secure the angle tube clamp. Check the ball in the
horizontal (2) plane and turn the angle tube (3) until the ball is in the
centre. Toe-in is now zero.
Before tightening the screws (1), check that the camber tube is
centred left-to-right. The gap should be the same on both sides, or
there should be no gap at all. Tighten the screws to 10 Nm (Fig.5.14
- 5.16).
Wheel Alignment
Adjusting the wheelbase width
CAUTION!
When adjusting the rear wheelbase, adjust first one wheel then the
other. If both sides are loosened at the same time, this will alter the
toe-in/toe-out adjustment. To adjust the rear wheelbase, the parts
of the camber (4) move telescopically into or out of the camber tube
(5), and lock into place when they reach the end. Loosen screw (6)
(located closest to the camber tube) on the left side of the chair.
Move the quick-release axle inwards or outwards to achieve the
desired wheelbase. Tighten the screws to 10 Nm. Repeat this
procedure on the right side of the chair and adjust the gap so that it is
the same amount as on the left side (Fig.5.17).
CAUTION!
The screws/bolts used on this wheelchair have thread locking fluid
applied at the factory. After five refits, either replace the screws/bolts
for new items or re-apply freash thread locking fluid, (intermediate
strength).
Fig. 5.14
1
Fig. 5.17
5
6
4
Fig. 5.15
Fig. 5.16
Ball
2
3
19
ENGLISH
Rev.5.0
Simba
Содержание Simba
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