Invacare Top End Owner's Operator And Maintenance Manual page 47

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1.
Perform one of the following:
Non‐Suspension Fork ‐ Remove the bolt and locknut that secure the front castor to the fork.
Suspension Fork ‐ Perform the following steps:
i.
Using two allen wrenches, turn in opposite directions and remove one mounting screw from the fork.
ii. Remove the mounting screw/threaded sleeve assembly that secures the front castor and two spacers to the fork.
2.
Remove front castor and axle spacers from fork.
3.
Perform one of the following:
Non‐Suspension Fork ‐ Install the new castor, bolt, locknut and axle spacers onto the fork and securely tighten. 
Suspension Fork ‐ Perform the following steps:
i.
Determine the desired mounting hole for the castor installation. 
ii. Line up the front castor and two spacers with the mounting hole in the fork determined in STEP B‐i.
iii. Reinstall the mounting screw/threaded sleeve assembly through the fork, front castor and two spacers. Refer to 
FIGURE 5.22 for hardware orientation.
iv. Reinstall the mounting screw into the threaded sleeve and tighten securely.
Both front castors MUST be positioned to the same corresponding mounting hole, otherwise
injury or damage may occur.
4.
Repeat STEPS 1‐3 for the opposite castor if necessary.
NOTE: If replacing front castors with a different size than what was originally on the wheelchair, the front castor height MUST be 
adjusted to keep the wheelchair frame parallel to the floor. Refer to Adjusting Front Castor Height ‐ Transformer Only on page 48. The 
size of the rear wheels may also need adjustment. Refer to Repairing/Replacing Rear Wheel, Tyre/Tube on page 34.
Non-Suspension Castor
Fork
Bolt
Spacer
Part No 1122172
WARNING
Locknut
Mounting
Positions
Spacer
Mounting
Threaded
Castor
FIGURE 5.22 Replacing/Adjusting Castors
47
Suspension Castor
Screw/
Sleeve
Everyday Series Wheelchairs/Sport Series Wheelchairs
SECTION 5—WHEELS
Fork
Mounting
Screw
Spacer
Front Castor

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