Final answer:
The first step to lower a jack stand cup is to remove the steel locking pin, followed by moving the steel handle upwards while controlling the cup's descent with one hand.
Step-by-step explanation:
To lower the jack stand cup, the first step is to ensure no weight is on the axle stand. Once that is confirmed, you should start by removing the steel locking pin (if applicable), which is a safety feature that prevents the jack stand from lowering unintentionally. This step is crucial for the safety of anyone under or around the vehicle being supported by the jack stand. Some jack stands have a direct release mechanism where you do not remove a pin but instead proceed directly to adjusting the handle. It is important to always follow the manufacturer's instructions for your specific jack stand.
After the safety locking pin is removed or if your jack stand's design does not include one, you would then move the steel handle upwards to release the lock on the cup and allow it to lower. It's advisable to hold the cup with one hand to control its descent and prevent it from dropping too swiftly, which could damage the jack or be a safety risk. However, this action should always be performed with caution, particularly if there is residual weight or pressure that might cause the stand to lower more rapidly than expected.