Bedienungsanleitung Quickie Helium (Seite 10 von 80) (Englisch, Holländisch, Französisch)

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Helium Rev.I

Suspension System

WARNING!

Rear suspension can affect the stability of the wheelchair. To

avoid a fall, use a spotter and/or anti-tip tubes when becoming

familiar with new equipment.

1. Tuning the 4-Link Rear Suspension

a. to stiffen the suspension, turn the spring preload adjustor (E)

clockwise (looking up at the suspension system from

underneath the wheelchair).

b. to soften the suspension, turn the spring preload adjustor (E)

counter-clockwise (looking up at the suspension system from

underneath the wheelchair).

2. Alignment of Suspension Link Arms

Do not adjust the link arms (F, Fig. 4.10). These are set at the

factory to ensure proper tracking and performance of the 4-Link

suspension system.

(see next page).

Setting the toe-in/toe-out to zero (using the factory fitted

adjuster)

Loosen the Allen screws (G), (2 per side), that

secure the axle tube on both sides. Observe the ball in the

transparent adjuster in the centre of the axle tube, then turn the

axle tube (C), until the ball is exactly centred at the lowest point

of the adjuster. The toe is now set at zero (Fig. 4.7, 4.10).

Before re-tightening the screws (G), check that

the flat surfaces of the camber adapter in the axle tube protrude

outside the axle tube clamp. The end of the cylindrical camber

adapter should be flush with the end of the axle tube. Tighten

the screws to a torque of 7 Nm

Setting the toe-in/toe-out to zero (using a 90° setting gauge)

Place the entire wheelchair on a flat

horizontal table or ground surface. Loosen the Allen screws (G)

(2 per side) which hold the axle tube on both sides of the axle

tube.

Then put the setting gauge at an angle of exactly 90° (e.g. a

carpenter’s square) on the flat surfaces of the camber adapter

(D) (Fig. 4.8, Fig. 4.9). Then turn the axle tube until the wrench

surfaces are exactly parallel to the upper surface of the setting

gauge (Fig. 4.8).

Before re-tightening the screws (G), check that

the flat surfaces of the camber adapter in the axle tube protrude

outside the axle tube clamp. The end of the cylindrical camber

adapter should be flush with the end of the axle tube. Tighten

the screws to a torque of 7 Nm

CAUTION!

When turning the 4-Link Rear Suspension, make one change at a

time and write down each change. This takes patience, but allows

you to understand how each change affects the ride of the

wheelchair in conjunction with rear suspension.

NOTE– The lower shock mount is designed to have a loose feel,

this is by design to allow for proper suspension travel.

CAUTION!

Under no circumstances, loosen the screw connection between

the axle clamp and the shock absorber.

3. Maintenance

The maintenance requirements listed below should be followed

along with general wheelchair maintenance shown in Section 6.0.

a. do not apply lubrication to shock end bushings or coils.

b. you can apply lubrication to the link ends after cleaning with a

mild soap and soft

brush.

c. use a soft brush to clear any dirt or debris from coil system.

d. never use a high-powered washer for cleaning the 4-Link Rear

Suspension.

Fig. 4.8

Fig. 4.7

BALL

Fig. 4.10

Fig. 4.9

PARALLEL

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