My RV is a 77. This means it has the larger diameter bogie pins which are apparently very hard to wear out. But you still have to grease them. When I bought the RV and got it home, I did grease the bogies. I could only get grease to come out one end of the bogie. I wasn't sure grease was getting to the other end.
Apparently this is a common enough problem that the community developed a solution. A new bogie greaser that has two zerk fittings, that the greases near and the other greased far. Installation is easy. Despite that, I had these sitting in a drawer for a year before I installed them. Don't judge me. I waited until I got new tires so that all the wheels were off and the bogies were up on jack stands. It made the job much faster. Pictures
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| | | | | | | | | | | | I use green caps to mark where I use heavy duty grease, and read for normal duty | | | |