Tiller box advice

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  • August 26, 2025 at 8:46 am #44023
    bristolfashion
    Participant

    Hi folks. Our BCS 737 is border-line vintage, dating as it does from 1995. I have an issue with the tiller unit which is one of our favourite tools here at Sims Hill Shared Harvest, in Bristol. I was carrying out some maintenance prior to the growers using the tiller ahead of the winter crops when I noticed that the tiller axle has a lot of play. Having had a decco at the parts list, I see that the gearbox has a pair of bearings and a pair of oil seals. I have a queasy feeling that the fairly obvious play in the axle means that both the bearings as well as the oil seals will be badly worn. This may explain why the gearbox appeared to have no oil in it, back when I first came across the machine in the spring.
    Do you, dear reader, have any comments or observations to make on the subject of replacing the worn bearings and oil seals? For example, how much play is acceptable? Thanks.

    August 26, 2025 at 10:40 am #44024
    andyfrost
    Participant

    I’ve never worked on BCS boxes , all I can say is that ANY wear or play in rotor boxes will result in worn seals , so it’s vital to replace both seals and bearings……..this advice is based on 50yrs of working on Howard rotavators.

    Andy.

    August 26, 2025 at 11:06 am #44025
    bristolfashion
    Participant

    Thanks Andy. I have zero experience with farm machines, but decades of servicing motor and pedal cycles behind me. I suspected I knew the answer to my question and was seeking confirmation of my suspicion – which you have given. Only decision now is whether to do the work myself or pop the gearbox in the boot and take it over to someone who knows what they’re doing! 😉

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