Invacare Action 3 NG, User Manual

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Invacare® Action 3 NG
9.2 Identifying and repairing faults
Fault Possible cause Action
Incorrect tyre pressure on one rear wheel Correct tyre pressure, → 11.2 Tyres, page 74 The wheelchair does not
travel in a straight line
One or more spokes broken
Replace faulty spoke(s), → qualified technician
Spokes tightened unevenly Tighten loose spokes, → qualified technician
Castor bearings are dirty or damaged Clean the bearings or replace the castor,
→ qualified technician
Rear wheels are mounted too far forwards Mount the rear wheels further back, → qualified
technician The wheelchair tips
backwards too easily
Back angle too large Reduce the backrest angle, → qualified technician
Seat angle too large Mount the castor upper on the front fork,
→ qualified technician
Select a smaller front fork, → qualified technician
Incorrect tyre pressure in one or both rear
tyres Correct tyre pressure, → 11.2 Tyres, page 74 The brakes are gripping
poorly or asymmetrically
Brake setting incorrect Correct the brake setting, → qualified technician
Tyre pressure in rear tyres is too low Correct tyre pressure, → 11.2 Tyres, page 74 Rolling resistance is very
high
Rear wheels not parallel Ensure the rear wheels are parallel, → qualified
technician
Too little tension in castor bearing block Tighten the nut on the bearing block axle slightly,
→ qualified technician The castors wobble when
moving fast
Castor has worn smooth Change castor, → qualified technician
70 1608467-E