Service work
490E75=0_C
Ottobock | 67
4.10.7 Replacement tasks on the caster wheel / stabilising wheel swing arm
(mid-wheel drive MWD)
4.10.7.1 Replacing the suspension for the caster wheel swing arm
NOTICE
Incorrect dimensioning of the suspensions
Damage to the suspensions and the product
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Only replace the suspensions with approved suspensions of the same type (see Page 72).
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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: 2x Allen wrench size 5; Allen wrench size 6; torque wrench with Allen insert size 5, 6
Removing the suspension for the caster wheel swing arm
1) Remove the drive wheel (see Page 45).
2) Remove the drive wheel splash guard (see Page 51).
3) Loosen and remove the screw with sleeve nut and disc spring between the drive wheel swing arm and caster
wheel swing arm suspension (see Fig. 137, item 1).
4) Carefully and slowly guide the caster wheel swing arm and drive wheel swing arm downwards.
5) INFORMATION: Note the installed position of the 2 washers on the suspension.
Loosen and remove the screw with 2 washers between the suspension and caster wheel swing arm (see Fig. 138,
item 1).
6) Remove the suspension.
Installing the suspension for the caster wheel swing arm
1) Position the suspension with 2 washers according to the original installed position on the caster wheel swing
arm.
2) IN@MOOC@N>M@R=@OR@@IOC@NPNK@INDJI<I?><NO@MRC@@GNRDIB<MH<I?uMHGTODBCO@IDOOJ25 Nm (see Fig. 138,
item 1).
3) Carefully guide the caster wheel swing arm and drive wheel swing arm upwards.
4) Insert the screw with sleeve nut and disc spring between the drive wheel swing arm and caster wheel swing arm
NPNK@INDJI<I?uMHGTODBCO@IDOOJ15 Nm (see Fig. 137, item 1).
5) Attach the drive wheel splash guard (see Page 51).
6) Attach the drive wheel (see Page 45).
7) Adjust the suspension of the caster wheel swing arms equally on both sides (see Page 72).
137
138
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...
