huge planes

hi all,

i have an assembly where some parts have huge planes. this is making zoom to fit unusable. the assembly is a dot on the screen. i open the offending parts and ctl+Q and the planes shrink back. open each part save each part and open assembly and all is ok. close part. close sw. open sw and assembly and you guessed it! planes back huge. please help?

cheers mart

SolidworksGeneral