Thank you for your help but i think that i have found the problem When i removed the steering linkage from pump assembly found that the arm on the servo could turn 360 deg On remove & strip of servo found pin missing , so i machined up new one About to reassemble should be ok Local dealer wanted $2500 AU for servo, no parts available for servo My customer was happy that i could fix it and not have to buy a new oneCan you get pictures? it may help.
Nice and simple, hopefully it cures all.Thank you for your help but i think that i have found the problem When i removed the steering linkage from pump assembly found that the arm on the servo could turn 360 deg On remove & strip of servo found pin missing , so i machined up new one About to reassemble should be ok Local dealer wanted $2500 AU for servo, no parts available for servo My customer was happy that i could fix it and not have to buy a new one