Yetter 500 Series Operator's Manual page 8

4400 SERIES ASSEMBLY INSTRUCTIONS
Step 4: Install the pushrods into the mount brackets. Then, attach to the pivot arms with
the 5/8 shoulder bolts, washers, and ½ jam lock hex nuts.
Note: The washers are installed on each side of the "eye" of the pushrod.
Now install the compression spring, spring bushing, and ¾ lock hex nuts.
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