drhill wrote:I grease them every time I submerge the hubs. So on my boat trailer, every launch. (using bearing buddies). On the teardrop - well, I have never submerged the hubs. But since it is 4 years old now and about 30,000 km I did give the hubs a few pumps of grease this spring. 14" tires. I would do it more with smaller tires.
How often do you grease the wheel bearings on your truck?
swoody126 wrote:ANNUALLY CHECKED(and checked prior to extended travel) by jacking each tire off the ground and spinning while listening for rough/growling/grinding noises in the hub
if no noises are detected i simply pump a few strokes into the BEARING BUDDIES/DEXTER SPINDLES(all my trailers have one or the other) and check the tire pressure
for boat trailers the hubs get topped off(leaving no room in hub) just prior to dunking to prevent rapid cooling from sucking water in
if noises are heard the hub comes off for disassembly inspection and replacing parts as necessary
when disassembling/reassembling i ALWAYS repace the inner seal w/ a new unit(removing seals w/o damaging it's integrity is virtually impossible no matter what you may have heard)
all my grease guns and tubs of grease have MARINE/OFF ROAD GREASE in them(the cost difference per application woudn't buy you a gum ball out of a vending machine) this way i don't have to wonder which gun i picked up
this process has been used for over 30 years and been quite successfull(no roadside failures)
when changing axles out for other than bearing issues(rusty axle due to salt water dunking) i goto the DEXTER units w/ zerks in the end of the spindles because they refreshen the grease as they are regularly serviced
when i buy a used trailer for a project the hubs get a minimum of disassembly cleaning and greasing w/ fresh grease to zero out the service schedule(if issues are detected in just one part all bearings races and seals in both hubs get replaced)
KEEPING your bearings full of clean good quality grease is the best insurance you can buy for them
using this system/method of servicing/maintaining bearings has provided 21+ years of bearing life on all of my trailers :-)
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