Service work
490E75=0_C
Ottobock | 69
4.10.7.3 Replacing the caster wheel swing arm
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Prerequisites:
Optional: Move the seat to the lowest seat height (see Page 15).
Switch off the control device and deactivate the main fuse (see Page 15).
If necessary: remove the leg supports.
Jack up the wheelchair (see Page 14).
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Tools: Allen wrench size 5; torque wrench with Allen insert size 5; socket wrench extension
Removing the caster wheel swing arm
1) Remove the drive wheel (see Page 45).
2) Remove the caster wheel (see Page 57).
3) Remove the caster fork with splash guard (optional) (see Page 59).
4) Loosen the caster wheel swing arm from the suspension (see Page 67).
5) JJN@I<I?M@HJQ@OC@N>M@RRDOCuSDIBR<NC@MJIOC@><NO@MRC@@GNRDIB<MH<SG@N@@DB{¾¿ÃxDO@H¾{
6) Loosen and remove the 2 screws with 1 washer each next to the caster wheel swing arm axle (see Fig. 140,
item 2).
7) Carefully remove the plate from the Torsion Drive system (see Fig. 140, item 3).
8) Reinstall the 2 screws with 1 washer each (see Fig. 141, item 1).
9) Pull the caster wheel swing arm down and off the axle (see Fig. 127).
Installing the caster wheel swing arm
1) Slide the caster wheel swing arm onto the axle (see Fig. 141).
2) Loosen and remove the 2 screws with 1 washer each next to the caster wheel swing arm axle (see Fig. 141,
item 1).
3) Slide the plate onto the Torsion Drive system and axle (see Fig. 140, item 3).
4) IN@MOOC@¿N>M@RNRDOC¾R<NC@M@<>CI@SOOJOC@><NO@MRC@@GNRDIB<MH<SG@<I?uMHGTODBCO@IOC@HOJ15 Nm
(see Fig. 140, item 2).
5) IN@MOOC@N>M@RRDOCuSDIBR<NC@MJIOC@<SG@<I?uMHGTODBCO@IDOOJ15 Nm (see Fig. 140, item 1).
6) Attach the caster wheel swing arm to the suspension (see Page 67).
7) Install the caster fork with splash guard (optional) (see Page 59).
8) Attach the caster wheel (see Page 57).
9) Attach the drive wheel (see Page 45).
140
141
Summary of Contents for 490E75 Series
Page 1: ...490E75 0_C Service manual...
Page 38: ...Service work 490E75 0_C 38 Ottobock 57 58 59 60 61 62 63...
Page 41: ...Service work 490E75 0_C Ottobock 41 70 71 72 73 74 tt 75 76...
Page 55: ...Service work 490E75 0_C Ottobock 55 103 104 105 106 107 108 109 110...
Page 108: ...Service work 490E75 0_C 108 Ottobock 227 228 229 t 230 231 232...
Page 112: ...Service work 490E75 0_C 112 Ottobock 237 238 239 240 241...
Page 143: ...R Net wheelchair control 490E75 0_C Ottobock 143 Seat module pin assignment 287...
Page 161: ...490E75 0_C Ottobock 161...
Page 162: ...490E75 0_C 162 Ottobock...
