Yetter 500 Series Operator's Manual page 9

4400 SERIES ASSEMBLY INSTRUCTIONS
Step 5: Attach the roller mount to the pivot arms using ½ X 3-3/4 bolts, spacers, & lock nuts.
NOTE: Make sure the bearing support tabs are on the backside of the bearing mounting plate.
Slide the roller mount side-to-side to clear the end of the corn head. DO NOT tighten hardware.
On 4412 models, the roller mount that is longer in length is to be used between rows 4 – 6.
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