AG SHIELD LandRoller, Operator’S Handbook And Parts Manual

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5.8. REPLACING THE OUTER CASTER WHEEL
Only necessary if having to replace the outer caster wheels.
1) It is important that before you install the caster wheel that it must have all sharp edges
removed or it will cut the O ring as it is inserted into the bushing.
Both edges where the lines are will need to be smoothed out. Using a fine grit sand paper
ensure that there are no sharp edges around the keyway or the chamfered edge.
2) Next will be to insert the O ring into the O ring groove. Making sure that the O ring is
greased before inserting it into the groove. Make sure the O ring is tight before pushing
shaft in. A lose O ring will cause it to grab on the shaft and push through the top.
3) Very important that you do not twist the caster wheel while trying to put it into the bushing.
The twisting motion will cause the shaft to cut the O ring.
4) Raise the caster wheel arm using the hydraulics so it is 90 to the ground. This will allow you
to lift the caster wheel and then push it into the bushing.
5) Once the caster wheel is in check to see that the O ring did not rip and push through with
the shaft.