420c front idler out of adjustment??

[redkneckracer]

my tracks need to be tightened up allittle i know my sprokets are worn and my chain pins needs rotating but my adjuster rods seem to be at the end of there adjustment? the thread is right at the end of the outer nut on the front side of my main idlers? think its time for new chains/sprockets/and idlers? thanks

[Lavoy]

If you are that far out, you are due for some undercarriage work. Only other option it to remove one link, but you must assume you plan on running the undercarriage to destruction if you do so.
Lavoy