Re: New Holland 469 haybine belt replacement

Posted by Shaler on May 13, 2018 at 16:52:13 from (100.6.112.59):

In Reply to: New Holland 469 haybine belt replacement posted by wolfpaak on May 13, 2018 at 15:59:41:

I don't know if 469s are vastly different from a 488 or kind of close. Here is a 488:
Remove the shield over the slip clutch,
Remove the set screw holding the slip clutch to the gearbox shaft. Tap the slip clutch off the gearbox shaft.
Remove the two roll drive chains.
Go under the back of the haybine and look up to your left right behind the top roll and you will see a bearing and collar. Remove the center three 3/8" bolts that hold the bearing flange to the plate. You do not need to remove the bearing unless it is bad. You only need to remove the bolts holding the bearing flange.
If you have not yet done it loosen the drive belt.
Remove the knife bolt from the wobble arm. At the bottom of the wobble box are three 1/2" bolts that come from the bottom up. Remove these three bolts. These bolts go into the lower bearing plate on the wobble arm. You will see that there is also a spacer plate between the wobble frame and the plate the three bolts went into. Remove this spacer plate. Now you can rotate the lower plate 180 degrees.
Take the belt off the top pulley. Now you have enough slack in the belt to remove it from the wobble box.
Now that the belt is free at the bottom, remove the 3/8" bolts that hold the gearbox side plate to the side of the machine. Once these bolts are removed you can pull the gearbox and side plate away from the machine a couple of inches and you can remove the belt through this opening and over the gearbox. Installation is just the opposite steps.

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