How do I adjust camber on John Deere Front wheels

no vehicle make model. year supplied so the answer is generic but applies to most vehicles toe in is 1/8 -1/4 inch
caster 1 to 1 1/2 degrees and camber 1/2 2 degrees ( all measurements are positive
tire wear is the best guide to wrong alignment
wear on the inside or outside of the tire tread is alignment and toe -in
in the middle or on the outsides of the tread is pressure problems
wheel wobble at speeds ( 30mph up ) is castor adjustment, loose tie rod ends , ball joints and if the castor is approaching negative setting , will, not recenter the wheel after cornering
I suggest that you take the vehicle to an accredited suspension/ wheel alignment shop with experience on your make of vehicle and have it inspected
good shops will recommend that the rear is checked/ adjusted first as much front tire wear can be traced to the back being out

Under inflation. When the tire doesn't have enough air pressure, the center tends to be pushed up from the road. Thus causing outer wear on both sides. alignment problems cause wear on one side or the other. Over inflation causes the center of the tire to wear .

Wearing on the inside can be caused by an excessive camber angle or excessive toe out, or both. Either of these can be caused by worn or damaged suspension parts. Camber affects Caster, and Camber and Caster affect Toe. Toe affects the Thrust Angle. (These are the major suspension angles involved in wheel alignment) The "dishing" or "cupping" is caused by what is sometimes called "wheel-hop" this can be caused by worn-out struts or shocks and can also be caused by tires that are seriously out of balance.

The recommended "Fix" would be to inspect the ENTIRE suspension system to check for loose and/or worn and/or damaged parts. Replace any of these parts as necessary. Then replace and balance the tires and head straight over to the alignment shop to have all of your suspension angles set to manufacturer's specifications. (Most tire stores also have an alignment machine)

Well, the camber which is the vertical angle of the tires or wheels as the car is viewed directly from the front, is adjustable on these cars' struts.

So, if the alignment technician performs a front wheel or even a 4 wheel alignment (which is better), then the front angles should be adjusted so that tire wear doesn't occur on the left or right side of the tire as viewed from the front.

I would continue to rotate tires every 5,000 mi. or so, and have the alignment checked at a place like Sears or your local tire shop to ensure that your alignment is good, and not out of specifications.

if your seeing tire wear on the outside,you will need tires rebalanced to make up for tire rubber worn away.

was your car in a wreck since you have own it?
that would be the only way anyone could bend steering or suspension parts.if your tires are leaning out on top,
it would be a part called"lower control arm assembly",
if you stand in front of your car with the steering wheel straight,and your tires are pointing in on each side,or pointed out instead of straight,that would be a "tie rod "
there is an inner tie rod and an outer tie rod end.
you need to take your car to a shop that does alignments,and have them tell you exactly what is wrong,you can even get lower control arm assemblies
from a salvage yard.but do yourself a favor and don't take your car to a MONROE or MIDAS type shop,they are only there to sell and make commissions! Find a normal shop that the owner is the mechanic.

You need a front end alignment. That is what is meant by toed in....bad camber.

bad bearings or bad alignment

this is a wheel camber (in and out tilt of wheel and tire) problem, u may have to have a Camber adjustment kit put in, most new cars have no adjustment provided for this. the bottom line here is you need to see a really good front end shop to get this taken care of, also the tires will continue to wear this way even if problem is corrected, so may want to replace them or rotate them.

You adjust toe with the tie rod ends they are threaded, the kind of method you describe will most likely make the problem worse, also outside wear is caused by the tilt of the wheel, that is called camber, on most cars the camber is fixed, the front end tech must do special mods to get this to be adjustable, some times drill out rivets, other time a kit must be installed.