Invacare Action 4 NG Series User Manual page 69

Fault
The castor is stiff or stuck
The wheelchair is very
difficult to unfold
1608637-E
Possible cause
Bearings are dirty or faulty
Backrest cover is too tight
Action
Clean the bearings or replace the castor,
→ qualified technician
Loosen the hook and loop strips of the backrest
cover a little,
→ 3.5.1 Backrest cover, page 14
Troubleshooting
69