Bedienungsanleitung Sunrise Medical Argon (Seite 12 von 100) (Englisch, Holländisch, Französisch)

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12 ARGON

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0505/2/ST-000690645.EMS 1B

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Adjusting Wheel Alignment (Fig.6.13 - 6.15)

Important: Your chair will only roll properly if the

rear wheel positions have been opti mized, which

means correct ly 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 paral lel, loosen

the screws and turn the axle sleeve accordingly.

When finished, make sure that all screws have

been properly tightened (see the page on torque).

Wheel Alignment

Seat height

Adjusting front seat height (Adjustable

frame, Fig.6.11)

1. Slacken the screw (1) and remove

the cover (2). This releases the height

adjustment fixing.

2. By turning the castor connection you

can continuously adjust the seat height

by +/- 1.5 cm. Using the marking (3) on

the castor connection, you can ensure

that both castors are set the same.

3. Ensure that both castors are set at the same

height, otherwise the chair cannot move in a

straight line.

4. Ensure that the bolts (4) always face outwards

and are at right-angles to the direction of travel,

so that it will move in a straight line.

5. Replacing the cover (2) and tightening the

screw (1) secures the height adjustment fixing.

When doing this, be careful to observe the

starting torque.

Adjusting the directional stability (Fig.6.12)

1. Slacken the screw (1) and remove the cover

(2). This releases the height adjustment fixing.

2. Bring the castor fork at right-angles to the

direction of travel and put a set-square onto

the straight surface (3) of the fork.

3. By turning the castor connection, the castor

can be turned inwards or outwards to correct

directional stability.

4. Replacing the cover (2) and tightening the

screw (1) secures the height adjustment fixing.

When doing this, be careful to observe the

starting torque.

Argon tracking adjustment

3. Setting the toe-in/toe-out to zero

NOTE: On a wheelchair with 0°

camber cylinders it is not possible

to set 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 provided, when toe-in is set to

zero.

To set toe-in/toe-out to zero:

Slacken the 2 screws (1) (1 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 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 7 Nm.

Width adjustment of the

wheelbase

K. REAR WHEELBASE

The rear wheelbase is defined as

the distance between the upper

side of the rear wheels and the

backrest tubes, and is represented

by measurement X. The factory

setting is (1.25 cm). A bigger gap is

usually required when a sufficient

gap between the tyres and optionally height-adjustable armrests

has to be created.

NOTE: When adjusting the rear wheelbase, adjust first one

wheel then the other. If both sides are slackened at the same

time, the adjustment of toe-in/toe-out will be altered.

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. Slacken 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 wheel base. Tighten the screws to 7 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.6.15

Fig.6.14

Fig.6.13

Fig.6.12

Fig.6.11

Fig.6.16

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