The Medline MDS86000G4 Four-Wheeled Kneewalker is a mobility aid designed to provide support and stability for individuals recovering from foot or ankle injuries, or those who require a non-weight-bearing solution. This step-by-step assembly guide outlines the process of setting up, adjusting, and folding the kneewalker, ensuring safe and effective use.
Function Description:
The kneewalker serves as an alternative to crutches, allowing users to maintain mobility while keeping weight off an injured lower limb. It features a padded kneepad where the user rests their injured leg, and four wheels for smooth movement. Hand brakes provide control over speed and stopping, while adjustable components ensure a comfortable and customized fit for various users. The integrated storage basket adds convenience for carrying personal items.
Important Technical Specifications:
- Model Number: MDS86000G4
- Type: 4-wheel knee walker
- Knee Rest: Padded foam knee rest
- Storage: Front storage basket
- Frame Color: Black
- Weight Capacity: 300 lbs (136 kg)
Usage Features:
Assembly and Initial Setup:
- Unpacking: Remove all contents from the carton.
- Handle Bar Setup:
- Unfasten the hook and loop strap securing the tiller to the kneepad.
- Raise the tiller to its upright position until it snaps and locks into place.
- Lift the Tiller Cam Lock, rotate it up and over the Tiller flange, then press down to secure it.
- Kneepad Height Adjustment:
- Raise the kneepad to the desired height.
- Insert the Seat Height Adjust Pin into the hole and secure it by sliding the loop over the protruding end of the pin.
- Insert the wheel stem into the tube, ensuring the hole in the wheel stem aligns with the hole in the tube.
Adjusting the Knee Pad Height:
- Loosen and Remove: Loosen the Seat Cam Lock located under the knee pad and remove the locking pin.
- Adjust Height: Adjust the pad to the desired height.
- Reinstall and Secure: Reinstall the locking pin and secure it in place with the retainer tab.
- Tighten: Tighten the Seat Cam Lock to lock the pad in place.
Using the Hand Brakes:
- Applying Brakes: To apply the brakes, pull one or both hand brake levers with your fingertips toward the hand grip. Both levers operate independently.
- Locking Brakes: To lock the brake, squeeze and hold one of the hand brake levers toward the Hand Grip. Simultaneously, push and hold down the spring-loaded push button (located on top of the brake). Release the hand brake lever. If done correctly, the push button will remain down, and the hand brake lever will be locked, preventing the rear wheels from rotating.
- Releasing Brakes: To release the brake, pull the lever towards the hand grip. The push pin will automatically pop up.
Adjusting the Hand Brakes:
- Minor Adjustment (Tiller Adjuster): For minor adjustments, use the brake adjuster located on the front of the tiller.
- Turn the thumbscrew counterclockwise to tighten the brake or clockwise to loosen it.
- Once adjusted, tighten the adjustment nut back to the brake adjuster housing without turning the thumbscrew.
- Further Adjustment (Lower Cable Adjuster): If further adjustment is needed, apply the same method of adjustment at the lower cable adjuster located above the brake.
- Adjusting the cable thumbscrew and adjustment nut away from each other will tighten the brakes.
- Adjusting them closer to each other will loosen the brakes.
Adjusting Handle Height:
- Loosen Screw: Loosen the adjustment screw on the tiller below the handle by turning it counterclockwise until it can be removed.
- Adjust Height: Adjust the hand grip to the desired height.
- Reinstall and Tighten: Reinstall the adjustment screw by turning it clockwise until it is tightened.
Folding the Kneewalker:
- Release and Remove: Release the Seat Cam Lock and the kneepad height adjustment pin.
- Lower Kneepad: Lower the knee pad all the way down.
- Lift Tiller Cam Lock: Lift the Tiller Cam Lock.
- Disengage Tiller: Slide the assembly to the side until the tiller is disengaged.
- Fold Tiller: Fold the tiller down until it rests on the knee pad.
Maintenance Features:
The manual primarily focuses on assembly and usage. Regular inspection of all components, especially the brakes and locking mechanisms, is recommended to ensure safe operation. The weight capacity of 300 lbs (136 kg) should not be exceeded. The padded foam knee rest and front storage basket are designed for durability and convenience, requiring minimal specific maintenance beyond general cleaning and care.
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