Stryker Stretcher 6252 Stair-PRO

Warning: This procedure requires trained personnel with PPE!

Using a 7/16” wrench and a 3/16” hex key, remove the socket head cap screw, nut and washer from the track support bracket on only one side of the chair.

Turn the chair upside down so it is resting on the seat frame and back frame.

Using a 1/2” wrench and a 3/16” hex key, remove the button head cap screw, nut, spacers and wheel from the frame on the same side as the parts removed in step one.

Using a 5/32” hex key, remove the two button head cap screws from the track spacer pivots and remove the pivots.

Using two 7/16” wrenches, remove the hex head cap screw, nut and washers from both head end track rollers and remove the rollers.

Remove the belts by threading them through the wheel support plate on the side where the parts were removed.

Thread the new belts through the wheel support plate.

Replace the track rollers, washers, hex head cap screws and nuts.

Seat section placed on the frame and fitted over the clips

Chair tipped on its back for access to the bottom of the seat tube

Both ends of the front strap inserted through the loops and pulled tight

End of the back strap threaded through the buckle and pulled tight

Chair tipped back up on its wheels

Back section wrapped around the back tube

Both ends of the top strap inserted through the loops and pulled tight

End of the bottom strap threaded through the buckle and pulled tight

Sign off on the vinyl seat replacement

Extend the upper control handle, open the Stair-TREADTM system tracks and tip the chair forward until it rests on the handle and the seat section

Using two 7/16” wrenches, remove the hex head bolt, hex nut, two washers, spacer and wheel from both sides of the track frame. Remove the wheel and spacer down in the direction of the floor

Turn both belts over so the small internal teeth are on the outside. Put the belts on the track frame for support while sanding them

For a start/end point reference while sanding, use a permanent marker to color a tooth on the belt

Using a sanding block with 50 Grit sandpaper, sand both wear surfaces on the outside edges of each belt. The purpose is to roughen the surface of the belt just enough to remove the shiny spots caused by normal wear. Do not over sand the belts

Remove all sanding debris from the belts and the track frame

Turn both belts back over so the large teeth are on the outside

Replace the hex head bolt, hex nut, two washers, spacer and wheel on both sides of the track frame

Use two 7/16” wrenches to apply the desired tension to each belt and tighten securely

Wrap each strap around the chair frame, insert the end through the loop on the end of the strap and pull it tight.

Pull the strap across the patient’s chest, lengthening the strap as necessary.

Pull the loose end of the strap to tighten it securely around the patient.

Repeat for the second strap and the lap belt.

Remove the three plastic pieces from the strap.

Thread the strap through one of the plastic “D” rings and slide the ring down to the end of the strap up to the white label.

All fasteners secure (reference all assembly drawings)

All welds intact, not cracked or broken

No bent or broken tubing or sheet metal

All wheels secure and rolling properly

Front casters secure, rolling and swiveling properly (if equipped)

Wheel locks hold wheels securely when on and clear the wheels when off

Chair unfolds and locks properly

No rips or cracks in seat or back rest