refitting

When you take out your airfilter and clean it etc. When you go to put it back into place, be very careful that it 'clicks' down properly at the rear. I have noticed a few times when I pop it back on again and put the lockin lever in place that the rear has not bedded down properly at the rear...

Hi everyone, My 2000 FC600 has earlier 50mm conventional WP forks and I recently removed them to renew the seals. Is there any specific order I should follow when re-fitting them to ensure everything is running straight & true? Pretty basic question I know, but I'm not the world's greatest...