Castings
How to level a Lineberry cart
Level a Lineberry cart using the guidelines provided here. The Lineberry cart’s initial design let the caster wheel shaft slightly move up and down within the caster mount. This action alleviated weight from the cart’s end during turns, facilitating tight pivots, particularly when the cart was loaded.
Positioned at both ends of the factory cart’s wood frame are the caster mounts. These mounts feature four bolt holes. The only way to level a Lineberry cart effectively, is by installing a set screw on one side of each caster mount. Additionally, these mounts securely hold a steel shaft inside, which connects to the caster wheels.
This first step to level a Lineberry cart will require removing the caster mount from the cart. Do this by first removing the cotter pin, then slide the shaft out from the caster mount. Now remove the four hex nuts and carriage bolts from the carts frame.
Next step, to begin the process, secure one caster mount in a bench vice with the side facing up. Be sure to tighten the caster mount securely in the bench vise before attempting any drilling on it.
Next step, use the included No. Seven Drill bit from the stabilizer kit with a variable speed three-eighths” electric drill. The stabilizer kit can be found and ordered from this website.
Next step, locate a point on either side of each caster mount where you prefer to install a set screw. Ensure its centered over the caster shaft location, about an inch down from the top end of the caster mount. Now create a dimpled hole at the drilling point using an awl or nail punch and hammer. Then apply thread cutting tapping oil on the spot, then proceed to drill.
Ensure to firmly grip the drill with both hands as you drill into the side of the cart mount. This precaution is crucial, especially when nearing the point of drilling through the caster mount’s side and into the shaft space. Neglecting to hold the drill securely may result in injury, potentially causing wrist damage. Thus, regardless of strength, always maintain a tight grip with both hands while drilling to level a Lineberry cart.
Next, begin drilling very slowly exactly on the center point of the caster mount marked. Gradually increases the speed of the drill once the hole begins to form.
Pause to spray the hole with cutting oil three or four times while drilling, then resume drilling slowly. If you drill too fast the bit will heat up and dull out very quickly.
Watch closely for when you’re nearing drilling through the side of the caster mount. Slow down the drill to avoid grabbing and twisting.
Next, tap the freshly drilled hole in the caster mount. Do this using the 1/4 x 20 NC tap from the stabilizer kit. For this step you will need your curved-claw hammer and the T Tap wrench.
For the next step, spray cutting oil into the drilled hole, then insert the threaded end of the tap. Gently tap the tap tool’s head with a hammer to secure it in the hole, ensuring it stays straight. Once the tap is snug in the hole, attach the T Tap wrench to the head of the tap. Slowly turn the tap clockwise until it is threaded all the way into the hole.
Now, the tap should extend through the inside of the caster mount beyond the tapered end. Then with the wrench, reverse the tap all the way out of the threaded hole. Twist a 1/4 x 20 x 1″ set screw into the tapped hole by hand. Ensure the threads are clean.
As the mount remains in the vice, carefully reinsert the shaft, still attached to the caster, back inside the mount. After completing this step, insert a new 3/16″ x 1-1/2″ cotter pin into the hole at the end of the shaft. Using your hammer, bend the pin around the shaft. Repeat the same process on the second caster mount.
Now you’re ready to reinstall the caster mounts onto the cart frame. When you have finished why not consider sharing a picture of your fully restored Lineberry factory cart. Our Pinterest Page.
Observe the set screw’s location in the photo, marked by a red line on the caster mount’s side.
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