Invacare Typhoon II Service Manual page 51

Adjusting the setting screw
•
Remove wooden block underneath wheelchair.
•
IMPORTANT:
Wheelchair needs to be on an even surface. All six wheels must touch the ground. Tire air
pressure must be correct.
•
Loosen check nut (4) using the 10 mm open
wrench.
•
Using a 6 mm open wrench to screw in the
setting screw (3) about 3 mm ( ± 0.2 mm) to
the locking-gas cylinder (1).
Use also the adjusting aid (2) DIN 125-A17
washer.
•
Hold up setting screw (3) using 6 mm open
wrench.
•
Tighten check nut (4) using 10 mm open
wrench.
•
Remove the adjusting aid (2).
•
Refit the cover (2).
•
Screw in the 2 screws (1) using the 5 mm
Allen key.
Check adjusting
If the wheelchair stands on a flat surface the front Walking Beam must be flexible, muffled by the
gas spring pressure.
•
Tilt the wheelchair to the front, rear wheels hang freely, the front beam must block.
•
Check the function by slowly driving down an approximately 6 cm high curb.
•
Adjust the set screw again if the function is not guaranteed as described in section
"Adjusting the setting screw".
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