Mini Digger won't track straight

[HeliPilot]

Hi All
My JCB 8026 has stopped tracking in a straight line, one track is running much slower than it should.
Any suggestions where I should start first?
The machine has only covered 500hrs of relatively light work.

 

[diggerjones]

Check for shite around the pedals

 

[HeliPilot]

Check for shite around the pedals

I have got full travel of the pedals.

 

[CPS]

Has it started doing it since your Tiltrotator has been fitted? Is it a case the that the hammer line is getting flow? Causing one track to go slower?
Does the auto idle work?

 

[HeliPilot]

Has it started doing it since your Tiltrotator has been fitted? Is it a case the that the hammer line is getting flow? Causing one track to go slower?
Does the auto idle work?

I'll try it with the tiltrotator disconnected. But I think this problem started befor it was fitted..!
This machine doesnt have auto idle.

Many Thanks

 

[HeliPilot]

Has it started doing it since your Tiltrotator has been fitted? Is it a case the that the hammer line is getting flow? Causing one track to go slower?
Does the auto idle work?

I've disconnected the tiltrotator but its made no difference

 

[V8Druid]

rotary coupling seals bypassing -- I know it's only done 500 hrs but could be a Friday (or mon., tues., weds., thurs.) machine ???

 

[HeliPilot]

rotary coupling seals bypassing -- I know it's only done 500 hrs but could be a Friday (or mon., tues., weds., thurs.) machine ???

Rotary coupling seals? I've never tackled anything like that, are they accessible from underneath?

 

[V8Druid]

not an easy job ... try swapping lines to drives left to right and see if the problem moves

Rotary coupling seals? I've never tackled anything like that, are they accessible from underneath?

 

[HeliPilot]

not an easy job ... try swapping lines to drives left to right and see if the problem moves

Would I need to swap all four hose's to each side?

 

[V8Druid]

Would I need to swap all four hose's to each side?

yep .. feed and return to both motors - case drains (if there are any) could stay in place though

 

[CPS]

Your machine seams to fresh to have a slew joint problem (although it certainly could be) are any other functions slow?

 

[Mick-the-fitter]

not an easy job ... try swapping lines to drives left to right and see if the problem moves

You beat me to it, I would go for the service change side to side, or if at 500 hours have the final drives been checked?

 

[HeliPilot]

Your machine seams to fresh to have a slew joint problem (although it certainly could be) are any other functions slow?

Not that I've noticed

 

[HeliPilot]

You beat me to it, I would go for the service change side to side, or if at 500 hours have the final drives been checked?

No they haven't, its only had oil and fuel filters

 

[HeliPilot]

Is there a fitter in Surrey area that would take a look at it?

 

[V8Druid]

Is there a fitter in Surrey area that would take a look at it?

@Mick-the-fitter is Godalming area according to his listing bio

 

[Mick-the-fitter]

Is there a fitter in Surrey area that would take a look at it?

Pm me with your address or postcode

 

[Mick-the-fitter]

Can you pm me again please, post code

 

[HeliPilot]

Hi Mick
I had a burst quick hitch hose which I replaced, and when I got it all back working the tracking seems to have sorted its self out.
Oddly the tiltrotator (tilt) has been very fierce since it was fitted and that now is also very smooth.
Thanks very much for offering to help, but for the moment finger crossed its all ok…!

Regards
Les