Once the cap is off, remove the cotter pin that goes thru the axle castle nut. It is usually screwed into the hub, but could be pressed in depending on brand and uses a thin O-Ring inside as a seal. The plastic end cap will have to be removed. Place a container under the hub to catch the oil, rotate the hub so the oil drains out. Using a mallet, tap one side of the outer end, rotate the hub and do it again until the cap is loose enough to be removed outward.įor the oil bath hub, rotate the hub so that the small 1/8" pipe plug is up. (3) Remove the lug nuts and wheel with tire attached, place the nuts, (or bolts) in a secure location so you will have them when you reassemble.įor the greased bearings, which will usually have some sort of a "Bearing Buddy" or grease retainer system, these caps can be either metal or plastic. Block the opposite tire, both front and rear so that the trailer does not move or possibly fall and pin you, or part of you, under it. (2) Jack the trailer axle up enough to give ground clearance. (1) Loosen the lug nuts while the trailer tires are still setting on the ground. Removal of the Wheel & Hub For those of you who may be doing this the first time, there are some safety issues that you need to be aware of. BEEN THERE - DONE THAT.Īlso if your trailer has brakes, when rotating the wheel by hand, you may be also hearing the brake shoes dragging on rust on the inside of the brake drums, that has accumulated during a period of non use, as when the boat is sitting all winter. However I suggest that you do not get into a habit of being lazy every spring, as you will get bit in the butt before too long. I have to admit that I have pulled the bearing protectors, looked at the grease and reinstalled the protectors if everything looked OK. From what you hear and feel you may be able to come to some educated conclusions of what you find after you disassemble the hub. A suggestion is to try this method before you remove the wheel and hub. One thing that has been found, is that if you CAN hear the bearings, they almost always are dry AND BAD. Yes, this is a possibility, but how much experience do you have doing this, how delicate is your feeling and can you hear as well as you once did to be able to identify, or even know what to listen for as to a bad bearing sound? Inspecting by Rotating Wheel Some say that they simply do a yearly jack the trailer up, and rotate the wheel to tell if the bearings are good.
They are using torsion springs, replaceable stainless spindles, stainless rotors & sealed boots over the disc piston (automotive disc unit's boots are merely a dust cover and do not keep water out).
One company that is offering stainless disc brakes is King Trailers Inc.
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