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  1. C

    Piston access via oil pan on B7100 HST

    Got it undone! The banjo bolt idea was a good one. Just have me enough wriggle room to get my shifter onto the bolts. So now I have the pan bolts exposed. Will take that off next once I've drained it. Will lt you know what I find with the pistons. hopefully this will be a useful thread for...
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    Piston access via oil pan on B7100 HST

    I realise that they need to be unlocked in opposite directions. Just hoping they are threaded so that the one closer to axle gets pulled down and the one closer to the hydraulic pump has to be pushed up. They do only have cooling water in them from the heat pump on the front of the radiator so...
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    Piston access via oil pan on B7100 HST

    Looked as if there was a half inch of spline left on the shaft to tap it down from the front axle end. I did that gently and it eventually came free. How I have access to the water cooling lines for the HTS. There are two nuts locking it together and they seem impossible to shift with normal...
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    Piston access via oil pan on B7100 HST

    Upon further investigation it looks as if there is a rear rollpin #120 which I will also need to remove to give enough play to pull the spline out of the first U-joint bracket #170. Does that seem right? Otherwise the shaft seems too long to free up just from the front end.
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    Piston access via oil pan on B7100 HST

    Thanks for the advice. I knocked out the roll pin OK. However the shaft won't slide far enough to disconnect it. Seems to be jammed by the other end of the shaft not being able to move. I can get the spline about 6 or so mm away from the U-joint where the roll pin was but not far enough to clear...
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    Piston access via oil pan on B7100 HST

    Will do that. Thanks for the advice. I'm at the stage where I have slid off the connector on the front drive shaft and removed the three bolts connecting it to the bell housing behind the front axle. I can slide the shaft housing towards the back of the tractor but it doesn't disconnect the...
  7. C

    Piston access via oil pan on B7100 HST

    I believe I can undo the connecting rods and remove the pistons vertically. The head is already off. Is that not possible? I'm not really trying to do a proper rebuild. Just hoping to get it operating a bit better than it was before. All I use it for is moving a few hay bales and running a pump...
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    Piston access via oil pan on B7100 HST

    Engine had 1640 hours and was blowing quite a lot of smoke. Had a leaking oil pressure switch which led to what i thought was a head problem from lack of oil. Replaced the head gasket and oil seals but there was a lot of carbon gunk around the center cylinder exhaust valve. Still not working...
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    Piston access via oil pan on B7100 HST

    New here but had my B7100 for quite some time. I'm trying to get access to the bottom of the engine via removing the oil pan. However there is a drive shaft overlaying it and I'm not sure where I should disconnect it and if I do whether a whole lot of oil or other fluid will come out. Secondly...