If you own a New Craftsman floor jack, keeping it in top shape is key to safe and smooth lifting. Over time, air and old fluid can build up inside, making your jack less reliable.
Knowing how to purge your floor jack will restore its power and extend its life. In this guide, you’ll learn simple steps to get rid of trapped air and refresh your jack’s performance. Stick with me, and you’ll have your floor jack working like new in no time.
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Tools Needed
Before starting to purge your new Craftsman floor jack, gather all the necessary tools. Having the right tools helps the process go smoothly and safely. It also prevents damage to the jack or injury to yourself.
Keep the tools close. This saves time and avoids interruptions. Below are the main tools you need for the job.
Wrench Set
A wrench set is essential to open and tighten bolts on the jack. Use the correct size to avoid stripping bolts. A combination wrench or adjustable wrench works well.
Fluid Syringe Or Oil Pump
Use a fluid syringe or small oil pump to remove old hydraulic fluid. These tools help control fluid flow and prevent spills. They make refilling easier too.
Hydraulic Fluid
Use the recommended hydraulic fluid for your Craftsman floor jack. Check the owner’s manual for the exact type. Using the right fluid keeps the jack working smoothly.
Clean Cloths Or Rags
Keep several clean cloths or rags handy. Wipe off dirt and spills during the purge. Cleanliness helps prevent contamination of the hydraulic system.
Flat-head Screwdriver
A flat-head screwdriver helps open small caps or covers on the jack. It also assists in loosening parts gently without damage.
Safety Tips
Safety is the top priority when purging a new Craftsman floor jack. Proper safety steps prevent accidents and damage. Follow these simple tips for a safe experience.
Inspect The Floor Jack Thoroughly
Check the jack for any visible damage or defects. Look for cracks, leaks, or worn parts. Do not use the jack if you find any issues. Ensure all bolts and nuts are tight.
Work On A Flat, Stable Surface
Place the floor jack on a solid, level floor. Avoid soft or uneven ground that can cause tipping. A stable surface keeps the jack steady during purging.
Wear Protective Gear
Always wear gloves to protect your hands from grease and sharp parts. Safety glasses shield your eyes from fluid splashes. Dress in close-fitting clothes to avoid loose fabric getting caught.
Use Proper Lifting Techniques
Position the jack’s saddle correctly under the vehicle’s lifting point. Lift the vehicle slowly and steadily. Avoid sudden movements to prevent slipping or dropping.
Release Pressure Carefully
Open the release valve slowly to let hydraulic fluid move gently. Fast release may cause jerks or damage to the jack. Keep your hands clear of moving parts.
Identify The Release Valve
Start by locating the release valve on your Craftsman floor jack. It is usually a small knob or screw near the base. Turning this valve carefully helps let out trapped air for smooth operation.
Understanding The Release Valve
The release valve controls the floor jack’s hydraulic pressure. It lets the jack lower safely. Knowing its location is key to purging the jack properly.
The valve is usually a small knob or screw on the jack. It often sits near the base of the handle or on the side. The design helps control fluid flow inside.
How To Locate The Release Valve On Your Craftsman Floor Jack
Look for a round knob or screw with a slot for a flathead screwdriver. It may have a label or symbol showing its function. Check both the handle and the body of the jack.
Some models have the valve hidden under a protective cap. Remove the cap carefully to avoid damage. Use a flashlight if needed to see clearly.
Signs That You Found The Correct Valve
The release valve usually turns smoothly but feels firm. Turning it opens or closes the jack’s lifting mechanism. You may hear a slight hiss when releasing pressure.
Do not force the valve if it resists strongly. This part is delicate and can break. Confirm its function by gently turning it and watching the jack’s movement.
Drain Old Hydraulic Fluid
Draining the old hydraulic fluid is an important step in purging a new Craftsman floor jack. Over time, the fluid can become dirty or lose its effectiveness. Removing the old fluid helps ensure your jack works smoothly and lasts longer.
Start by locating the drain plug on the jack. This plug allows the old fluid to flow out safely. Be ready with a container to catch the fluid and avoid spills.
Prepare The Floor Jack For Draining
Place the jack on a flat surface. Make sure it is stable and secure. Wear gloves to protect your hands from the hydraulic fluid. Open the release valve to lower the jack fully.
Remove The Drain Plug Carefully
Use the correct tool to unscrew the drain plug. Turn it slowly to avoid splashing. Let the old hydraulic fluid drain completely into the container. This step removes dirt and air bubbles from the system.
Dispose Of The Old Fluid Properly
Collect the used fluid in a sealed container. Do not pour it down drains or on the ground. Take it to a recycling center or hazardous waste facility. Proper disposal protects the environment.
Inspect And Clean Components
Inspecting and cleaning the components of your new Craftsman floor jack is a key step before purging. Dirt, dust, and small debris can affect the jack’s performance. Taking time to check and clean parts helps ensure smooth operation and extends the jack’s life.
Each component plays a role in the jack’s function. Careful inspection reveals any damage or wear that may cause problems. Cleaning removes grime that can block movement or cause rust. This process prepares the jack for safe and efficient use.
Inspect The Hydraulic Cylinder
Check the hydraulic cylinder for leaks or cracks. Look for oil spots or wet areas around the seals. Any damage here can stop the jack from lifting properly. Wipe the cylinder clean with a soft cloth to remove dust and dirt.
Examine The Release Valve
Turn the release valve slowly and feel for smooth movement. A stuck or rough valve can cause pressure loss. Clean around the valve stem to clear dirt or debris. Make sure it opens and closes without resistance.
Check The Pump Piston And Rod
Look at the pump piston and rod for scratches or rust. Dirt on these parts can block the pump action. Use a clean cloth to wipe off any buildup. Ensure the rod moves freely without sticking.
Clean The Wheels And Casters
Remove dirt and grime from the wheels and casters. Debris can prevent smooth rolling and cause uneven movement. Use a brush or cloth to clean inside the wheel hubs. Spin the wheels to confirm they turn easily.
Inspect The Frame And Lifting Arm
Check the frame and lifting arm for dents or bends. Clean off dust and grease that might hide damage. A clean frame helps spot problems early. Wipe all surfaces with a damp cloth and dry thoroughly.
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Refill With New Fluid
Refilling your Craftsman floor jack with new fluid is key for smooth and safe operation. Fresh hydraulic fluid ensures the jack lifts efficiently and lasts longer.
Old fluid can cause poor performance or damage. Follow these steps to refill the jack correctly and keep it working well.
Choose The Right Hydraulic Fluid
Use only the fluid recommended in the Craftsman floor jack manual. Usually, this is a high-quality hydraulic oil. Avoid mixing fluids or using automotive oil.
Prepare The Jack For Refilling
Lower the jack completely to release pressure. Clean the area around the fill plug to stop dirt from entering the system. Place a container nearby to catch any spills.
Remove The Fill Plug
Locate the fill plug on the jack’s reservoir. Use a wrench or screwdriver to carefully remove it. Keep the plug in a safe place for reinstallation.
Pour New Fluid Slowly
Use a funnel to pour the new hydraulic fluid into the reservoir. Fill it just until the fluid reaches the bottom of the fill hole. Avoid overfilling to prevent leaks.
Replace The Fill Plug Securely
Put the fill plug back in place and tighten it snugly. Do not overtighten, as this may strip the threads. Wipe away any spilled fluid around the reservoir.
Bleed Air From The Jack
Bleeding air from a new Craftsman floor jack is an essential step. It ensures smooth operation and extends the jack’s life. Air trapped inside can cause the jack to feel spongy or fail to lift properly. Removing this air improves hydraulic pressure and performance.
Start by preparing the jack and workspace. This process is simple and does not require special tools. Follow each step carefully to avoid damage or injury.
Locate The Bleed Valve
First, find the bleed valve on your Craftsman floor jack. It is usually near the hydraulic cylinder. Check your manual if unsure. The valve looks like a small screw or bolt.
Open The Bleed Valve
Use a wrench to slowly open the bleed valve. Turn it counterclockwise just a little. You want to let air escape, not hydraulic fluid. Keep a cloth nearby to catch any fluid drops.
Pump The Handle Slowly
Next, pump the jack handle slowly several times. This action pushes trapped air out of the system. Watch for bubbles or air escaping from the valve. Continue pumping until no more air appears.
Close The Bleed Valve
After no air escapes, tighten the bleed valve carefully. Turn it clockwise until snug. Avoid over-tightening to prevent damage. Check for leaks around the valve.
Test The Jack
Finally, test the jack by lifting a small load. It should feel firm and stable. If it still feels soft, repeat the bleeding process. Proper bleeding ensures the jack works safely and efficiently.
Test Jack Operation
Start by locating the test jack on the Craftsman floor jack. Slowly open the release valve to remove old air or fluid. This process helps the jack work smoothly and safely.
Prepare The Jack For Testing
Start by placing the floor jack on a flat, stable surface. Make sure the area is clear of debris. Check that the jack handle is fully lowered. This position helps the jack fluid settle properly. It also prevents air pockets from causing issues.
Operate The Jack Slowly
Pump the handle gently to raise the jack saddle. Watch the jack for any unusual noises or jerky movements. The saddle should move smoothly and steadily. Stop pumping if the jack feels stiff or uneven. Smooth operation means the fluid and air are balanced.
Lower The Jack Carefully
Turn the release valve slowly to lower the jack. The descent should be controlled and steady. Avoid opening the valve too fast. A quick release can cause damage or fluid leaks. Proper lowering confirms the jack is purged and ready to use.
Common Troubleshooting
Common troubleshooting helps solve issues that appear during the purging of a Craftsman floor jack. It guides users to fix problems quickly and safely. Understanding common problems saves time and protects the jack from damage.
Below are the typical issues and how to handle them.
Air Trapped In The Hydraulic System
Air inside the jack stops it from lifting properly. To remove air, open the release valve slowly. Pump the handle several times to push the air out. Close the valve and test the jack again.
Hydraulic Fluid Leaks
Leaks lower the jack’s pressure and power. Check seals and hoses for cracks or breaks. Replace any damaged parts before purging. Always use the correct hydraulic fluid for your jack.
Jack Fails To Lift
Check if the release valve is fully closed. Inspect for air trapped inside the system. Make sure the jack has enough hydraulic fluid. Pump the handle firmly to build pressure.
Slow Or Uneven Lifting
Slow lifting means low fluid or air in the system. Uneven lift points to worn or damaged seals. Clean the jack and refill fluid if needed. Pump the handle slowly to purge air.
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Frequently Asked Questions
How Do I Purge Air From A Craftsman Floor Jack?
To purge air, locate the release valve and open it slowly. Pump the jack handle several times to remove trapped air. Close the valve tightly to restore proper hydraulic pressure for smooth operation.
When Should I Purge My Craftsman Floor Jack?
Purge your floor jack when it feels spongy or lifts unevenly. Regular purging helps maintain hydraulic efficiency and extends jack lifespan. It’s best to purge after long storage or heavy use.
What Tools Do I Need To Purge The Floor Jack?
You need a wrench to open the release valve and a clean cloth. A small container to catch any fluid leaks is also helpful. No complex tools are required for basic purging.
Can Purging Improve My Craftsman Floor Jack’s Lifting Power?
Yes, purging removes trapped air that reduces hydraulic pressure. This restores smooth, strong lifting action. Regular purging ensures your floor jack performs at its best.
Conclusion
Properly purging your New Craftsman floor jack keeps it working well. Air in the system can cause poor lifting. Follow the steps carefully to remove trapped air. Regular maintenance helps the jack last longer and stay safe. Check the fluid level and refill when needed.
Keep your tools ready for any job. Taking a few minutes now saves time and trouble later. Trust your jack to perform when you need it most. Simple care makes a big difference.
