Inquiry (采购产品): PD6500i Maintenance Are you able to give me any details on any periodic maintenace that would be required with the PD6500i walkthrough unit. Is there a recommended maintenance for these units? **** Hidden Message ***** Peter Bourke 2605 Company: Bassett Consulting Engineers E-mail: p.bourke@bassett.com.au **** Hidden Message ***** p.bourke@bassett.com.au