You should see the piston extend out or the blue ring past the front of the Bearing Buddy when its properly filled. Place a small block of wood against one side of the bearing buddy and strike it with the hammer.
The bearing buddies will be full of grease and will need to be placed on a clean surface.
How to tell when bearing buddy is full. All you need to do is press the edge of the piston. If you can move or rock the piston it has enough grease. I have attached a drawing of a Bearing Buddy you can check out to see what the components are.
I have attached a link to our product page. Remove the grease caps and measure the diameter of the opening the caps occupy. This is the hub bore.
You will need an accurate measuring devices like a set of dial calipers that is accurate to 3 decimal places. The Bearing Buddy pair you were looking at part BB1781 fits a 1781 inch hub bore. It sounds like your trailer has Bearing Buddies installed in place of grease caps.
The zerk fitting where you insert the grease is sitting on a spring loaded disc or piston that will move outward away from the hub as grease is added. Push on the edge of the piston with your finger. Knew they were pumped up full.
When I take the caps off my 2000 trailstar trailers bearing cover I notice the grease nipple and there is grease all around it. In my old one you did not see any grease it was all behind the bearing buddies. So my big questions are.
1 - Is it OK. There there is grease all around the nipple. The bearing buddy is a spring loaded contraption with a grease fitting that replaces the standard grease cap on your axle.
As you pump grease in you will see the spring compress and the end cap will move outward toward your grease gun as you fill the void with grease. When the spring stops compressing it is full. Fill the bearing buddies to the point where the follower just starts to move.
If you overfill the grease will be thrown out the rear all over the inside rims of the wheels. Its just a pain when this happens and not detrimrntal to the wheels. You should see the piston extend out or the blue ring past the front of the Bearing Buddy when its properly filled.
However as air escapes the piston or blue ring is going to collapse inward. After driving several miles check the piston or. Look at the back of the bearing for the size that is stamped into the edge of the bearing.
If you are only replacing the bearings you will want the same size that is stamped into the back of the bearing. It may be std 010 020 or 030. Take the crankshaft to a.
What do you guys think of them. How often do you grease themI know if you grease to much you will blow out the seal. Is one brand better than another.
OR are you better off with dust caps and clean and repack hubs every yearWith bearing buddys I did it every 2yearsThoughts I just spent 50000 on a new axle and hubs. Push on the edge of the piston with your finger. If the disc doesnt move add grease until the piston moves.
If you can turn the wheel by hand while you are doing this it will help distribute the grease in the hub as well. I attached an install video that. Hold a Bearing Buddy over a wheels bearing.
Orient the Bearing Buddy protector so that the more hollow side faces the bearing and the side with the nozzle in the center faces outwards. Line the Bearing Buddy up with the wheel bearing and hold it in place against the bearing. Lubricant level and pressure can be checked quickly by pressing on the edge of the movable piston.
If you can rock or move the piston the hub is properly filled. Bearing Buddy will last the life of your trailer. The outer barrel is made of stainless steel.
Bearing Buddy Model 1980A has a blue ring which acts as a visual lubricant level indicator inside the hub. If the blue ring extends 18 past the snap ring located inside the barrel of the Bearing Buddy the hub is completely full. If the blue ring is.
Bearing Buddy explanation Greasable axle spindle - YouTube. How much grease in bearing buddies on the better brand bearing buddies there is a small hole that when the spring is back enough and the bearing is full grease will start to come out. I usually go to that point the first time then just give em a pump every now and then.
The bearing buddies keep pressure inside the hubs so when they are submerged the cooling hubs and bearings dont suck water in. Too much grease in the bearing buddies can blow out the rear seal defeating the whols purpose. Bearing buddies do not eliminate the need for regular maintenance and inspections.
Bearing Buddy is held in the hub by an interference fit. To remove Bearing Buddy lay a block of wood against the side of it and strike the wood with a hammer. Place the wood on the opposite side and hit again.
Continue this procedure until you walk the Bearing Buddy out of the hub. The bearing buddies will be full of grease and will need to be placed on a clean surface. Place a small block of wood against one side of the bearing buddy and strike it with the hammer.
Set the block of wood on the opposite side of the bearing buddy. The bearing buddy has to be seated with a dead blow hammer and doesnt seem to seat any easier than the other 3 bearing buddies so it has to be off by thousandths of an inch. I might end up replacing all 4 hubs this year just to be on.
This video is an overview of the Buddy Bearing install process for boat trailers.