4th Wheel Attachment for XSTO Electric Stair Climber(Compatible with ZW7250GC, ZW7210GC, ZW7170EC, ZW47250 ZW7170GC ZW4170DC Model)

4th Wheel Attachment - Has a retractable design made out of aluminium alloy, so it have the advantage of lightweight, novel and beautiful, convenient, high strength, foldable, easy to operation, and so on. It is designed for XSTO stair climbers, provide ground support to travel long distance. It can be used for various scenarios of heavy handling.

• 4th Wheel Attachment - Has a retractable design made out of aluminium alloy, so it have the advantage of lightweight, novel and beautiful, convenient, high strength, foldable, easy to operation, and so on. It is designed for XSTO stair climbers, provide ground support to travel long distance. It can be used for various scenarios of heavy handling.
• This 4th Wheel Attachment is Compatible With ZW7210GC/ZW7250GC/ZW7170EC/ZW47250 Model. It used for moving heavy cargo by powered stair climber on flat surface in an easy way.
• Instructions for Use: 1. Install the Ground supporting device on the stair climber.
• When it is needed, press the buckle and tilt the stair climber slightly. The Ground Supporting device will expand automatically and the Collapsible assembly will be locked when it reaches the limit spot.
• Use the device to transport the goods on the flat ground.
• When the Ground Support device is not needed, kick the lever in the middle of the Collapsible assembly to unlock and fold, stand straight the stair climber, lock the device with the snap joint.
• The Ground Supporting device(4th Wheel Attachment) is a common tool for stair climber, which plays a role of supporting the stair climber travelling on flat ground , and greatly improves transport efficiency and compatibility.