Invacare Action3 NG RC Service Manual page 17

5.4 Inspect/Adjust Annually (2)
 Wheel brakes are easy to engage.
 Change brake cable and readjust the brake tension cable
 Ensure axles are free from dirt, lint, etc.
 Ensure roller bearings are free from dirt, lint, etc.
 Adjust wheel brakes as tires wear.
 Clean and wax all parts.
 Ensure castors are free of debris.
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